Passo a passo: criando um controle ToolStrip com estilo profissional

Você pode dar aos controles ToolStrip do seu aplicativo uma aparência e comportamento profissionais, escrevendo sua própria classe derivada do tipo ToolStripProfessionalRenderer.

Este passo a passo demonstra como usar controles para criar um controle composto semelhante ao do Painel de Navegação fornecido pelo Microsoft® Outlook®. As seguintes tarefas são ilustradas neste passo a passo:

Criando um projeto da Biblioteca de Controle do Windows.
Projetar o controle StackView.
Implementando um renderizador personalizado.

Quando terminar, você terá um controle de cliente personalizado reutilizável com a aparência profissional de um controle XP do Microsoft Office®.

Para copiar o código neste tópico como uma única lista, consulte Como criar um controle ToolStrip com estilo profissional.

Pré-requisitos

Você precisará do Visual Studio para concluir este passo a passo.

Criar o projeto da biblioteca de controle

No Visual Studio, crie um novo projeto da Biblioteca de Controle do Windows chamado StackViewLibrary.
Em do Gerenciador de Soluções, exclua o controle padrão do projeto excluindo o arquivo de origem chamado "UserControl1.cs" ou "UserControl1.vb", dependendo do idioma de sua escolha.

Para obter mais informações, consulte Como: Remover, Apagar e Excluir Itens.
Adicione um novo item de UserControl ao projeto StackViewLibrary. Dê ao novo arquivo de origem um nome base de StackView.

Projetar o controle StackView

O controle StackView é um controle composto com um controle filho ToolStrip. Para obter mais informações sobre controles compostos, consulte Variedades de Controles Personalizados.

Na Caixa de Ferramentas, arraste um controle ToolStrip para a superfície de design.

Na janela Propriedades, defina as propriedades do controle ToolStrip de acordo com a tabela a seguir.

Propriedade	Valor
Nome	`stackStrip`
CanOverflow	`false`
Doca	Bottom
Fonte	`Tahoma, 10pt, style=Bold`
GripStyle	Hidden
LayoutStyle	VerticalStackWithOverflow
Enchimento	`0, 7, 0, 0`
Modo de Renderização	Professional

No Designer de Formulários do Windows, clique no botão ToolStrip do controle e adicione um ToolStripButton ao controle stackStrip.

Na janela Propriedades, defina as propriedades do controle ToolStripButton de acordo com a tabela a seguir.

Propriedade	Valor
Nome	`mailStackButton`
CheckOnClick	verdadeiro
CheckState	Checked
Estilo de Exibição	ImageAndText
ImageAlign	MiddleLeft
ImageScaling	None
ImageTransparentColor	`238, 238, 238`
Margem	`0, 0, 0, 0`
Enchimento	`3, 3, 3, 3`
Texto	Email
Alinhamento de Texto	MiddleLeft

Repita a etapa 7 para mais três controles de ToolStripButton.

Nomeie os controles calendarStackButton, contactsStackButtone tasksStackButton. Defina o valor da propriedade Text como calendário, contatose tarefas, respectivamente.

Manipular eventos

Dois eventos são importantes para fazer com que o controle StackView se comporte corretamente. Manipule o evento Load para posicionar o controle corretamente. Manipule o evento Click para cada ToolStripButton para fornecer o comportamento de estado de controle StackView semelhante ao controle de RadioButton.

No Designer de Formulários do Windows, selecione o controle StackView.
Na janela Propriedades, clique em Eventos.
Clique duas vezes no evento Carregar para gerar o manipulador de eventos StackView_Load.

No manipulador de eventos StackView_Load, copie e cole o código a seguir.

// This method handles the Load event for the UserControl.
private void StackView_Load(object sender, EventArgs e)
{
    // Dock bottom.
    this.Dock = DockStyle.Bottom;

    // Set AutoSize.
    this.AutoSize = true;
}

' This method handles the Load event for the UserControl.
Private Sub StackView_Load(sender As Object, e As EventArgs) Handles MyBase.Load
   ' Dock bottom.
   Me.Dock = DockStyle.Bottom
   
   ' Set AutoSize.
   Me.AutoSize = True
 End Sub

No Designer de Formulários do Windows, selecione o controle mailStackButton.
Na janela Propriedades, clique em Eventos.
Clique duas vezes no evento Clique.

O Designer de Formulários do Windows gera o manipulador de eventos mailStackButton_Click.
Renomeie o manipulador de eventos mailStackButton_Click para stackButton_Click.

Para obter mais informações, consulte Refatoração para renomear um símbolo de código.

Insira o código a seguir no manipulador de eventos stackButton_Click.

// This method handles the Click event for all
// the ToolStripButton controls in the StackView.
private void stackButton_Click(object sender, EventArgs e)
{
    // Define a "one of many" state, similar to
    // the logic of a RadioButton control.
    foreach (ToolStripItem item in this.stackStrip.Items)
    {
        if ((item != sender) &&
            (item is ToolStripButton))
        {
            ((ToolStripButton)item).Checked = false;
        }
    }
}

' This method handles the Click event for all
' the ToolStripButton controls in the StackView.
Private Sub stackButton_Click(sender As Object, e As EventArgs) Handles mailStackButton.Click, calendarStackButton.Click, contactsStackButton.Click, tasksStackButton.Click
   ' Define a "one of many" state, similar to
   ' the logic of a RadioButton control.
   Dim item As ToolStripItem
   For Each item In  Me.stackStrip.Items
         If item IsNot sender AndAlso TypeOf item Is ToolStripButton Then
             CType(item, ToolStripButton).Checked = False
         End If
   Next item
 End Sub

No Designer de Formulários do Windows, selecione o controle calendarStackButton.
Na janela Propriedades, defina o evento de clique para o manipulador de eventos stackButton_Click.
Repita as etapas 10 e 11 para os controles contactsStackButton e tasksStackButton.

Definir ícones

Cada botão StackView tem um ícone associado. Por conveniência, cada ícone é representado como uma cadeia de caracteres codificada em Base64, que é desserializada antes que um Bitmap seja criado a partir dele. Em um ambiente de produção, você armazena dados de bitmap como um recurso e seus ícones aparecem no Designer de Formulários do Windows. Para obter mais informações, consulte Como: Adicionar Imagens de Fundo aos Windows Forms.

No Editor de Código, insira o código a seguir na definição de classe StackView. Esse código inicializa os bitmaps para os ícones de ToolStripButton.

private static Bitmap mailBmp;
private static Bitmap calendarBmp;
private static Bitmap contactsBmp;
private static Bitmap tasksBmp;

private static string mailBmpEnc = @"Qk32BgAAAAAAADYAAAAoAAAA"+
    "GAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u7u7u"+
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private static string calendarBmpEnc = @"Qk32BgAAAAAAADYAAAAo"+
    "AAAAGAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u"+
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private static string contactsBmpEnc = @"Qk32BgAAAAAAADYAAAAo"+
    "AAAAGAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u"+
    "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"+
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    "w6+hwa2fv6udvqmbvKiZu6aXuaWWuKOUt6KTtqGStaCR7u7u7u7u7u7u"+
    "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"+
    "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"+
    "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"+
    "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"+
    "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"+
    "7u7u";

private static string tasksBmpEnc = @"Qk32BgAAAAAAADYAAAAoAAA"+
    "AGAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u3N3fkXxqeGB"+
    "LalE5cVc/c1lBf2JKl3RZiWhMe1xBb1M5aE42Zkw0Zk01aE42YUkxYkk"+
    "xYkkxkod97u7u7u7u7u7u7u7u7u7uv62e+ezi69nQ7M6+7Miz6L+prI+"+
    "rWFKqmHyk7rWU77OO77CM8LCK8bCH8a2F8qp98aV13pZnZkwz7u7u7u7"+
    "u7u7u7u7u7u7uv62e//37/vr3/vTw+uvkwLnaJDO/BhmzJjTDybTG99K"+
    "8+NC49syy9sms9sao9cOl8LiV8KR0aU417u7u7u7u7u7u7u7u7u7uwK6"+
    "f//7+//z7/Pj3xcTmLDvBFynIMEXkIDbXVGHO6dHO+tzJ+tjD+dW++dK"+
    "5+c+19sWn8qd2Y0kx7u7u7u7u7u7u7u7u7u7uw7Gj/////Pv9wcTsKDj"+
    "FFCnMRVjuZHX1PlPoFzHSeHPJ+d3O+tzI+tjD+dS9+dG59seq8ayEaEw"+
    "07u7u7u7u7u7u7u7u7u7uxrWm9vf9pKzoJjjNGi7TR1nreoj/j5v8ZXf"+
    "0N0zlJjTPv7LP+t7O+tvI+tfC+dS998qv8K+LaU427u7u7u7u7u7u7u7"+
    "u7u7u08W619v5Kz7XJjrfTl/ze4v/tLr59/Dyoab2Znb0LUPmNUTO1sX"+
    "R+9/N+tvH+tjC99C277GNbVI47u7u7u7u7u7u7u7u7u7uy7qt6+3+kp7"+
    "4UGT4c4P/sbj+/Pr5/vj16ePykpz5Y3T0KDzfbHHR6dTS++HQ+tvG+dn"+
    "D8bqabVI57u7u7u7u7u7u7u7u7u7uybeo////9ff/qLL/wsr//Pz///3"+
    "8/vv5/ff09e7wpav4YnP0KDzajYzQ6NPT/N7O+NrG8b+idFlA7u7u7u7"+
    "u7u7u7u7u7u7uyriq////////+Pn//v7///////////38/vr2/vj08er"+
    "wmaL6WWvyMELXmJbS9OPb+d/Q88mxc1Y97u7u7u7u7u7u7u7u7u7uzLq"+
    "s//////////////////////////7+//36/vr3/vn0+fDvsLT1WmruNUb"+
    "Qta/V+uXX9M+6hWdP7u7u7u7u7u7u7u7u7u7uzryt///////////////"+
    "///////////////7+//79//v3/vj0+O7wurz0TV3sSFTS08fa9t7PmXl"+
    "h7u7u7u7u7u7u7u7u7u7uz72v/////////////////////fj1+Orh9uH"+
    "W89TD88+78sew9NK99drNm5/xVWbwYWvV6dzgrIlw7u7u7u7u7u7u7u7"+
    "u7u7u0L6w////////////////X4ycVYGSTHaIS21/SGN0SGJySF9vdnd"+
    "9pZWQ89TDt7n1TF3oZGvOuJ2L7u7u7u7u7u7u7u7u7u7u0b+x///////"+
    "/////////dJmou+Xsmd3ofs/fdcXVcMHSbrrNbbHCbHJ69dTD++3nw8H"+
    "uNUjqZGjJ7u7u7u7u7u7u7u7u7u7u0b+x////////////////i6q2pMn"+
    "StuzzYYycdLG+fs/ed8jaXY2eRl1t8uDU++je/O7mzsnmUFCX7u7u7u7"+
    "u7u7u7u7u7u7u0sCy////////////////3ufqdZuqx+30V3aFXoCPaZW"+
    "kjdDeTWx8v7Ko/vr2/fTv/fTu+/XxnZSu7u7u7u7u7u7u7u7u7u7u6ur"+
    "r2Mq/0b+x0L6wz72vyLeqc5qpoMHLxfD3v+zzruXvkMjVaX6GwK6ewrC"+
    "hwa+gwK6fv62e4OHi7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u5ObnfKa1eaOxcpyrcJWkboiW4+Pj7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7"+
    "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u";

// Static constructor to initialize
// the form's static fields.
static StackView()
{
    // Create the static bitmaps from Base64 encoding.
    CreateBitmaps();
}

public StackView()
{
    this.InitializeComponent();

    // Assign icons to ToolStripButton controls.
    this.InitializeImages();

    // Set up renderers.
    this.stackStrip.Renderer = new StackRenderer();
}

// This utility method assigns icons to each
// ToolStripButton control.
private void InitializeImages()
{
    this.mailStackButton.Image = mailBmp;
    this.calendarStackButton.Image = calendarBmp;
    this.contactsStackButton.Image = contactsBmp;
    this.tasksStackButton.Image = tasksBmp;
}

// This utility method creates bitmaps for all the icons.
// It uses a utility method called DeserializeFromBase64
// to decode the Base64 image data.
private static void CreateBitmaps()
{
    mailBmp = DeserializeFromBase64(mailBmpEnc);
    calendarBmp = DeserializeFromBase64(calendarBmpEnc);
    contactsBmp = DeserializeFromBase64(contactsBmpEnc);
    tasksBmp = DeserializeFromBase64(tasksBmpEnc);
}

// This utility method cretes a bitmap from
// a Base64-encoded string.
internal static Bitmap DeserializeFromBase64(string data)
{
    // Decode the string and create a memory stream
    // on the decoded string data.
    MemoryStream stream =
        new MemoryStream(Convert.FromBase64String(data));

    // Create a new bitmap from the stream.
    Bitmap b = new Bitmap(stream);

    return b;
}

Private Shared mailBmp As Bitmap
Private Shared calendarBmp As Bitmap
Private Shared contactsBmp As Bitmap
Private Shared tasksBmp As Bitmap

 Private Shared mailBmpEnc As String = "Qk32BgAAAAAAADYAAAAoAAAA" + _
         "GAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7uv4yFvouE" + _
         "vYmDu4eBuYV/t4N9tYB7s355sXt3tntxsnhwsHZurXNsrHFrp21pomln" + _
         "oGdlnmVjnWNi7u7u7u7u7u7u7u7u7u7uwY6H9N3C/vDa/ejM+tSp+cye" + _
         "98OS9bqI87F/87KA8qt68KRy76Bu7phl7ZVi7JVi54xb0ntSoGVj7u7u" + _
         "7u7u7u7u7u7u7u7uwo+Ix6WZ9ujb//bn/u/b/OfL++HA+9iv+tev+tSr" + _
         "+tKo+cyg+Mic9b+S9LqM8al35ZZmoXBSoWdk7u7u7u7u7u7u7u7u7u7u" + _
         "xZSN9ejayaOY9uvh//js/vXo/e/a/evS/OfL/OTF+927+9u1+tSq+tKl" + _
         "+cqW8buFqHZa7JVdn2hm7u7u7u7u7u7u7u7u7u7uxZSN//ns9ercxqKV" + _
         "+O7k//nw//fu//fr/vTl/u/c/uvU/eLB/N+7+tev8b6Hq3pe+Lh6/69q" + _
         "oWpp7u7u7u7u7u7u7u7u7u7ux5eP//vv//vw9OncxKOX9+7m//v1//nz" + _
         "//jx//bs/+7Z/erQ/eTC8syiqntg+M6a/9Oh/8CFom1s7u7u7u7u7u7u" + _
         "7u7u7u7uypqS//z4//v28ebYza2evp6V7+Lb8uzl8+3l8uvk9Ore9ejZ" + _
         "6NO/poVyt4xx5b2T/9ap/8ybpXFw7u7u7u7u7u7u7u7u7u7uzJ2V///8" + _
         "7uPbzaye/fv6/fv5v6GTvKCQvJ+Nu5qIupmJt5uKsZWE+u3e+unYo4Jq" + _
         "572O/9KjqHd17u7u7u7u7u7u7u7u7u7uzqCX7OHbzKud/fr58url5tnQ" + _
         "5dfO5dfN5dfM5NbM49TI3Mq+3Mm93Mm8382/+unbrIJp57WGrH597u7u" + _
         "7u7u7u7u7u7u7u7uz6GZ0LGj6uHa/fv67OLc6+Hb7eTd7ePd7eLb7eLb" + _
         "7uPb9e7l9evk9uvj9+zh/PHlzr61r4VtsoWC7u7u7u7u7u7u7u7u7u7u" + _
         "0aKXfdb/8uzn///////////////////////+//37/Pn3+fXv9fHp8+vl" + _
         "8enk7uXe1si/L6f3tYeC7u7u7u7u7u7u7u7u7u7uy6mkdM3/+vf1////" + _
         "/////////////////fz8/Pv69fPx7vDw7O/w2OfvxN/swt/thMXnK6ft" + _
         "r4SC7u7u7u7u7u7u7u7u7u7u1KeevuX6nNf2rN/7nNz9h9X+b8z+VMb/" + _
         "RsT/RsT/PsP/Obz7NLT2MbL0K6vuJ6XpKKfrLqrvr4J/7u7u7u7u7u7u" + _
         "7u7u7u7u28jC0rSo0O36yOv7x+r7v+f8suP9o97+jtj+idn+htX/e83/" + _
         "a8f/XcD/Tbn/SLf/R7b/rJKJ7u7u7u7u7u7u7u7u7u7u7u7u7u7u6ePi" + _
         "07ew29zd1e/61O/60e77y+z8vun9reH+mNn+gdH/ccj/ZMP/Vr3/t7/C" + _
         "uKCX7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u6uXk2b621rux1fH6" + _
         "3fL61/L7y+/8u+f9pt7+jNT+cMn/XcH/rZyW1c3L7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u6N/d07Op3d7f2/P60vD7xez8" + _
         "r+H9k9X+kr/cv6Wb7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u6uXk2L612cG31e73yOv7seL8uKWezLex7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u6eHg1LOpzaeayaqh4dvb7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
         "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"

 Private Shared calendarBmpEnc As String = "Qk32BgAAAAAAADYAAAAo" + _
          "AAAAGAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7uuKOUkXxqemNO" + _
          "alM8YEgwYEgwYkoxYUgwYEgwY0szYkoxYEgwYEgwYEgwYEgwZEszYUgw" + _
          "YEgwY0oyYUgwYEgwYEgw7u7u7u7uuqWW6tPE27qlxKCLu5d837OUzKGC" + _
          "t41xsYpt37OUzKGCt41xrodq37OUzKGCt41xrodq37OUzKGCt41xrodq" + _
          "Zk447u7u7u7uvKaX//fz/+3i/NvFwJl6/+nb/d3H+c+1vJV2/+HP/tW8" + _
          "/MWluZJz/9vG/9Gw+8OfuJFy/86y/sKf97eSuJFyYEgw7u7u7u7uvaiZ" + _
          "//j2//Hq/OTY0qiL/+7h/+TR/N3J0KWI/+TU/9vE/9S4zqOF/+LR/9zE" + _
          "/sywzaKE/9e//8yt/sWizaKEYEgw7u7u7u7uv6qb//v5//j1//bx5Lug" + _
          "//Ho//Dl/+nb5Lqg/+fZ/+LQ/97I5Lqf/+XU/+HN/9zF5Lqf/9bC/9S7" + _
          "/9C05LqfYEgw7u7u7u7uwauc4bib1ayOxZyBvpd74LaY0qiKwJd7uJF1" + _
          "4LWWz6WGvJJ2D0XuBTnjBjXQAiy8ACm137OUzKGCt41xrodqYEgw7u7u" + _
          "7u7uxK6f//v6/Ozg/eHQx6CC/+/m+uHQ+tjDwpt9/+re/+DM/9O4I1Tz" + _
          "/9zG/9O5/86wASu4/9fC98Sm87uYuJFyYEgw7u7u7u7uxrCh//39//n0" + _
          "/One1qyQ//v4/vHn+uHR06mM//Pt/+rc/+HMPGr0/+TU/93H/9i/AzHJ" + _
          "/+LP/9i++curzaKEYEgw7u7u7u7ux7Kj//39//38/fbw5Luh//z7/vj1" + _
          "/uzh5Lug//fx//bv/+vgWoH2/+/m/+vd/+PQAzTa/+XU/+XU/97J5Lqf" + _
          "YUkx7u7u7u7uybOk47yh3rab1q2SzaWL4bqe2a+SzKKHwpqA4bmd1q2O" + _
          "x52CbY/5WYD3OWb0IFP0Aj3t4Lib06iJwJV5sopwYEgw7u7u7u7uzbep" + _
          "//39//n1//Dn1a2S/vv6+uvh9+DPyqKG//Tt+eXX+eDSxJx//One+tzH" + _
          "+dC3v5d6/9/K+9C1+8akuI9yalM97u7u7u7u0Lyu//39//r3//f03bWa" + _
          "//7+/vXx+urg1q2R//f0/O3i+eTV06mM//fy/+7i+NfCz6WI/+zg/+DM" + _
          "/9CzyZ6Adl5I7u7u7u7u0sCy//38//39//395L2j//7+//79/vn45L2j" + _
          "//38//n2/vLr5L2j//37//n2/unf5L2j/+/l/+nc/+DN5L2jf2dS7u7u" + _
          "7u7u6KaG6KaG6KSE56OB56B+55565pt25phy5ZVt5ZJp5I5k5Itf5Iha" + _
          "44RV44FR4n5M4ntI4XhE23I812w00mkzyGAo7u7u7u7u6amK/93L/dfD" + _
          "/9a+/s+2/syy/sis/sSl/cGh/byb/LeV+7SO+rCJ+auC+ad9+KN3+KBx" + _
          "95xu95pq9pdn9pVkyGAo7u7u7u7u662P/+LQ/t/M/t3K/drG/dfC/dK8" + _
          "/c63/Mqx/Mer+sKk+r6f+bqY+LaT+LGM96yG9qmA9aV69aB19J1w9Jps" + _
          "yGAo7u7u7u7u7LKV7LKV662P6aeG56F/559855x45pp05pdw5ZRs5ZFo" + _
          "5I5j5Itf5Ihb44VW44JS4n9O4nxK4XpG4XdC4XU/2Ws27u7u7u7upJqU" + _
          "////pJqU////n5aQ////mZCL////kYmF////iIJ+////fnp2////dXJv" + _
          "////bGpo////ZGNi////XV5c////7u7u7u7u7u7uICUg6enpICUg6enp" + _
          "ICUg6enpICUg6enpICUg6enpICUg6enpICUg3t7eICUg0NDQICUgvb29" + _
          "ICUguLi4ICUg7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u"

 Private Shared contactsBmpEnc As String = "Qk32BgAAAAAAADYAAAAo" + _
          "AAAAGAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7uuqWWh3FeeWJN" + _
          "alM8YEgwYEgwYEgwYEgwYEgwYEgwYEgwYEgwYEgwYEgwYEgwYEgwYEgw" + _
          "YEgwYEgwYEgwYEgwYEgw7u7u7u7uuqWW//bx7t3T7trO7tfI79LB7865" + _
          "8Mqy8MWq8cCi8buZ8raR8rKJ862C86l69KV09KFt9Z5o9Zxk9Zph9Zph" + _
          "YEgw7u7u7u7uu6aX//n2//fy//Xv//Lr//Dn/+3j/+re/+ja/+XW/+LR" + _
          "/+DN/93J/9rF/9jB/9W9/9O5/9G2/8+z/86x9ZphYEgw7u7u7u7uvKiZ" + _
          "//z6//r30M/SGlmtA0uuA0WfAz+RATmHADV9zr23/+PTs4t1roRuqX1m" + _
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          "SYrkQ4XeA0OaGW3eC02nGkF4/+fZ/+TV/+LQ/9/M/9zI/9rE/9fA/9W8" + _
          "/9O59KFtYEgw7u7u7u7uwKyd//////7+E1i3Z57pUZDoTY7nA0SbGGze" + _
          "E2DIAzmD/+vfuZJ9s4t1roRuqX1mpHhgoXRcoXRc/9a99KV0YEgw7u7u" + _
          "7u7uwq6f////////GF69gKvkX5flA0WeGW7iA0+3GWzgEk+j/+7l/+zh" + _
          "/+nc/+bY/+TT/+HP/97L/9zH/9nD86t9YEgw7u7u7u7uxLCh////////" + _
          "tcDPE1StGly1yNXZ+fryBVG5BkGOz8rK//LqvpiEuZJ9s4t1roRuqX1m" + _
          "pHhgoXRc/93I87CHYEgw7u7u7u7uxrKk////////9fX1zdDTYWZsVFVW" + _
          "YWFhBkunubzC//jz//Xw//Ps//Do/+7k/+vf/+jb/+bX/+PS/+DO8raR" + _
          "YEgw7u7u7u7ux7Sm////////xMTEAAAAwcHBoqKihYWFVVVVn56d//r3" + _
          "//j0//bx//Tt//Hp/+/l/+zh/+nd/+fY/+TU8b2cYEgw7u7u7u7uybao" + _
          "////////ODg4LCws1tbWwcHBoqKihYWFZGRk//37//v5//n2//fy//Xv" + _
          "//Lr//Dn/+3j/+re/+ja8MOmYEgw7u7u7u7uy7iq////////U1NTSUlJ" + _
          "tLS01dXVwcHBoqKidXV1///+//38/LeL+7SI+q+D+ap++KV496Bz9p1w" + _
          "/+vg8MmxZk437u7u7u7uzbqs////////fn5+Y2NjXV1dbW1tWFhYwcHB" + _
          "hISE//////////79//z7//v4//n1//bx//Tu//Lq/+/m78+6b1dB7u7u" + _
          "7u7uz7yu////////xcXFbGxsgoKCoaGhjo6OVVVVra2t/////////LeL" + _
          "+7SI+q+D+ap++KV496Bz9p1w//Pr79TEeWJN7u7u7u7u0L6w////////" + _
          "8vLyuLi4jY2NiIiIhYWFtLS08fHx//////////////////////38//z6" + _
          "//r3//j0//bw7tnMgm1Z7u7u7u7u0b+x////////////////////////" + _
          "//////////////////////////////////////79//z7//v4//n1//fy" + _
          "i3Zj7u7u7u7u0sCy0b+x0L6wz72vzrutzLqsy7iqybeoyLWmxrOkxLGi" + _
          "w6+hwa2fv6udvqmbvKiZu6aXuaWWuKOUt6KTtqGStaCR7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u" + _
          "7u7u"

 Private Shared tasksBmpEnc As String = "Qk32BgAAAAAAADYAAAAoAAA" + _
          "AGAAAABgAAAABABgAAAAAAAAAAADEDgAAxA4AAAAAAAAAAAAA7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u3N3fkXxqeGB" + _
          "LalE5cVc/c1lBf2JKl3RZiWhMe1xBb1M5aE42Zkw0Zk01aE42YUkxYkk" + _
          "xYkkxkod97u7u7u7u7u7u7u7u7u7uv62e+ezi69nQ7M6+7Miz6L+prI+" + _
          "rWFKqmHyk7rWU77OO77CM8LCK8bCH8a2F8qp98aV13pZnZkwz7u7u7u7" + _
          "u7u7u7u7u7u7uv62e//37/vr3/vTw+uvkwLnaJDO/BhmzJjTDybTG99K" + _
          "8+NC49syy9sms9sao9cOl8LiV8KR0aU417u7u7u7u7u7u7u7u7u7uwK6" + _
          "f//7+//z7/Pj3xcTmLDvBFynIMEXkIDbXVGHO6dHO+tzJ+tjD+dW++dK" + _
          "5+c+19sWn8qd2Y0kx7u7u7u7u7u7u7u7u7u7uw7Gj/////Pv9wcTsKDj" + _
          "FFCnMRVjuZHX1PlPoFzHSeHPJ+d3O+tzI+tjD+dS9+dG59seq8ayEaEw" + _
          "07u7u7u7u7u7u7u7u7u7uxrWm9vf9pKzoJjjNGi7TR1nreoj/j5v8ZXf" + _
          "0N0zlJjTPv7LP+t7O+tvI+tfC+dS998qv8K+LaU427u7u7u7u7u7u7u7" + _
          "u7u7u08W619v5Kz7XJjrfTl/ze4v/tLr59/Dyoab2Znb0LUPmNUTO1sX" + _
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          "D8bqabVI57u7u7u7u7u7u7u7u7u7uybeo////9ff/qLL/wsr//Pz///3" + _
          "8/vv5/ff09e7wpav4YnP0KDzajYzQ6NPT/N7O+NrG8b+idFlA7u7u7u7" + _
          "u7u7u7u7u7u7uyriq////////+Pn//v7///////////38/vr2/vj08er" + _
          "wmaL6WWvyMELXmJbS9OPb+d/Q88mxc1Y97u7u7u7u7u7u7u7u7u7uzLq" + _
          "s//////////////////////////7+//36/vr3/vn0+fDvsLT1WmruNUb" + _
          "Qta/V+uXX9M+6hWdP7u7u7u7u7u7u7u7u7u7uzryt///////////////" + _
          "///////////////7+//79//v3/vj0+O7wurz0TV3sSFTS08fa9t7PmXl" + _
          "h7u7u7u7u7u7u7u7u7u7uz72v/////////////////////fj1+Orh9uH" + _
          "W89TD88+78sew9NK99drNm5/xVWbwYWvV6dzgrIlw7u7u7u7u7u7u7u7" + _
          "u7u7u0L6w////////////////X4ycVYGSTHaIS21/SGN0SGJySF9vdnd" + _
          "9pZWQ89TDt7n1TF3oZGvOuJ2L7u7u7u7u7u7u7u7u7u7u0b+x///////" + _
          "/////////dJmou+Xsmd3ofs/fdcXVcMHSbrrNbbHCbHJ69dTD++3nw8H" + _
          "uNUjqZGjJ7u7u7u7u7u7u7u7u7u7u0b+x////////////////i6q2pMn" + _
          "StuzzYYycdLG+fs/ed8jaXY2eRl1t8uDU++je/O7mzsnmUFCX7u7u7u7" + _
          "u7u7u7u7u7u7u0sCy////////////////3ufqdZuqx+30V3aFXoCPaZW" + _
          "kjdDeTWx8v7Ko/vr2/fTv/fTu+/XxnZSu7u7u7u7u7u7u7u7u7u7u6ur" + _
          "r2Mq/0b+x0L6wz72vyLeqc5qpoMHLxfD3v+zzruXvkMjVaX6GwK6ewrC" + _
          "hwa+gwK6fv62e4OHi7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u5ObnfKa1eaOxcpyrcJWkboiW4+Pj7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7" + _
          "u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u7u"

' Static constructor to initialize
' the form's static fields.
Shared Sub New()
   ' Create the static bitmaps from Base64 encoding.
   CreateBitmaps()
 End Sub

Public Sub New()
   Me.InitializeComponent()
   
   ' Assign icons to ToolStripButton controls.
   Me.InitializeImages()
   
   ' Set up renderers.
   Me.stackStrip.Renderer = New StackRenderer()
 End Sub

' This utility method assigns icons to each
' ToolStripButton control.
Private Sub InitializeImages()
   Me.mailStackButton.Image = mailBmp
   Me.calendarStackButton.Image = calendarBmp
   Me.contactsStackButton.Image = contactsBmp
   Me.tasksStackButton.Image = tasksBmp
 End Sub


' This utility method creates bitmaps for all the icons.
' It uses a utility method called DeserializeFromBase64
' to decode the Base64 image data.
Private Shared Sub CreateBitmaps()
   mailBmp = DeserializeFromBase64(mailBmpEnc)
   calendarBmp = DeserializeFromBase64(calendarBmpEnc)
   contactsBmp = DeserializeFromBase64(contactsBmpEnc)
   tasksBmp = DeserializeFromBase64(tasksBmpEnc)
 End Sub


' This utility method cretes a bitmap from 
' a Base64-encoded string. 
Friend Shared Function DeserializeFromBase64(data As String) As Bitmap
   ' Decode the string and create a memory stream 
   ' on the decoded string data.
   Dim stream As New MemoryStream(Convert.FromBase64String(data))
   
   ' Create a new bitmap from the stream.
   Dim b As New Bitmap(stream)
   
   Return b
 End Function

Adicione uma chamada ao método InitializeImages no construtor de classe StackView.

public StackView()
{
    this.InitializeComponent();

    // Assign icons to ToolStripButton controls.
    this.InitializeImages();

    // Set up renderers.
    this.stackStrip.Renderer = new StackRenderer();
}

Public Sub New()
   Me.InitializeComponent()
   
   ' Assign icons to ToolStripButton controls.
   Me.InitializeImages()
   
   ' Set up renderers.
   Me.stackStrip.Renderer = New StackRenderer()
 End Sub

Implementar um renderizador personalizado

Você pode personalizar a maioria dos elementos do controle StackView implementando uma classe que deriva da classe ToolStripRenderer. Neste procedimento, você implementará uma classe ToolStripProfessionalRenderer que personaliza a alça e desenha planos de fundo de gradiente para os controles ToolStripButton.

Insira o código a seguir na definição de controle StackView.

Essa é a definição para a classe StackRenderer, que substitui os métodos RenderGrip, RenderToolStripBordere RenderButtonBackground para produzir uma aparência personalizada.

internal class StackRenderer : ToolStripProfessionalRenderer
{
    private static Bitmap titleBarGripBmp;
    private static string titleBarGripEnc = @"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";

    // Define titlebar colors.
    private static Color titlebarColor1 = Color.FromArgb(89, 135, 214);
    private static Color titlebarColor2 = Color.FromArgb(76, 123, 204);
    private static Color titlebarColor3 = Color.FromArgb(63, 111, 194);
    private static Color titlebarColor4 = Color.FromArgb(50, 99, 184);
    private static Color titlebarColor5 = Color.FromArgb(38, 88, 174);
    private static Color titlebarColor6 = Color.FromArgb(25, 76, 164);
    private static Color titlebarColor7 = Color.FromArgb(12, 64, 154);
    private static Color borderColor = Color.FromArgb(0, 0, 128);

    static StackRenderer()
    {
        titleBarGripBmp = StackView.DeserializeFromBase64(titleBarGripEnc);
    }

    public StackRenderer()
    {
    }

    private void DrawTitleBar(Graphics g, Rectangle rect)
    {
        // Assign the image for the grip.
        Image titlebarGrip = titleBarGripBmp;

        // Fill the titlebar.
        // This produces the gradient and the rounded-corner effect.
        g.DrawLine(new Pen(titlebarColor1), rect.X, rect.Y, rect.X + rect.Width, rect.Y);
        g.DrawLine(new Pen(titlebarColor2), rect.X, rect.Y + 1, rect.X + rect.Width, rect.Y + 1);
        g.DrawLine(new Pen(titlebarColor3), rect.X, rect.Y + 2, rect.X + rect.Width, rect.Y + 2);
        g.DrawLine(new Pen(titlebarColor4), rect.X, rect.Y + 3, rect.X + rect.Width, rect.Y + 3);
        g.DrawLine(new Pen(titlebarColor5), rect.X, rect.Y + 4, rect.X + rect.Width, rect.Y + 4);
        g.DrawLine(new Pen(titlebarColor6), rect.X, rect.Y + 5, rect.X + rect.Width, rect.Y + 5);
        g.DrawLine(new Pen(titlebarColor7), rect.X, rect.Y + 6, rect.X + rect.Width, rect.Y + 6);

        // Center the titlebar grip.
        g.DrawImage(
            titlebarGrip,
            new Point(rect.X + ((rect.Width / 2) - (titlebarGrip.Width / 2)),
            rect.Y + 1));
    }

    // This method handles the RenderGrip event.
    protected override void OnRenderGrip(ToolStripGripRenderEventArgs e)
    {
        DrawTitleBar(
            e.Graphics,
            new Rectangle(0, 0, e.ToolStrip.Width, 7));
    }

    // This method handles the RenderToolStripBorder event.
    protected override void OnRenderToolStripBorder(ToolStripRenderEventArgs e)
    {
        DrawTitleBar(
            e.Graphics,
            new Rectangle(0, 0, e.ToolStrip.Width, 7));
    }

    // This method handles the RenderButtonBackground event.
    protected override void OnRenderButtonBackground(ToolStripItemRenderEventArgs e)
    {
        Graphics g = e.Graphics;
        Rectangle bounds = new Rectangle(Point.Empty, e.Item.Size);

        Color gradientBegin = Color.FromArgb(203, 225, 252);
        Color gradientEnd = Color.FromArgb(125, 165, 224);

        ToolStripButton button = e.Item as ToolStripButton;
        if (button.Pressed || button.Checked)
        {
            gradientBegin = Color.FromArgb(254, 128, 62);
            gradientEnd = Color.FromArgb(255, 223, 154);
        }
        else if (button.Selected)
        {
            gradientBegin = Color.FromArgb(255, 255, 222);
            gradientEnd = Color.FromArgb(255, 203, 136);
        }

        using (Brush b = new LinearGradientBrush(
            bounds,
            gradientBegin,
            gradientEnd,
            LinearGradientMode.Vertical))
        {
            g.FillRectangle(b, bounds);
        }

        e.Graphics.DrawRectangle(
            SystemPens.ControlDarkDark,
            bounds);

        g.DrawLine(
            SystemPens.ControlDarkDark,
            bounds.X,
            bounds.Y,
            bounds.Width - 1,
            bounds.Y);

        g.DrawLine(
            SystemPens.ControlDarkDark,
            bounds.X,
            bounds.Y,
            bounds.X,
            bounds.Height - 1);

        ToolStrip toolStrip = button.Owner;
        ToolStripButton nextItem = button.Owner.GetItemAt(
            button.Bounds.X,
            button.Bounds.Bottom + 1) as ToolStripButton;

        if (nextItem == null)
        {
            g.DrawLine(
                SystemPens.ControlDarkDark,
                bounds.X,
                bounds.Height - 1,
                bounds.X + bounds.Width - 1,
                bounds.Height - 1);
        }
    }
}

Friend Class StackRenderer
   Inherits ToolStripProfessionalRenderer
   Private Shared titleBarGripBmp As Bitmap
   Private Shared titleBarGripEnc As String = "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"
   
   ' Define titlebar colors.
   Private Shared titlebarColor1 As Color = Color.FromArgb(89, 135, 214)
   Private Shared titlebarColor2 As Color = Color.FromArgb(76, 123, 204)
   Private Shared titlebarColor3 As Color = Color.FromArgb(63, 111, 194)
   Private Shared titlebarColor4 As Color = Color.FromArgb(50, 99, 184)
   Private Shared titlebarColor5 As Color = Color.FromArgb(38, 88, 174)
   Private Shared titlebarColor6 As Color = Color.FromArgb(25, 76, 164)
   Private Shared titlebarColor7 As Color = Color.FromArgb(12, 64, 154)
   Private Shared borderColor As Color = Color.FromArgb(0, 0, 128)
   
   Shared Sub New()
      titleBarGripBmp = StackView.DeserializeFromBase64(titleBarGripEnc)
     End Sub
   
   Public Sub New()
     End Sub
   
     Private Sub DrawTitleBar(ByVal g As Graphics, ByVal rect As Rectangle)

         ' Assign the image for the grip.
         Dim titlebarGrip As Image = titleBarGripBmp

         ' Fill the titlebar. 
         ' This produces the gradient and the rounded-corner effect.
         g.DrawLine(New Pen(titlebarColor1), rect.X, rect.Y, rect.X + rect.Width, rect.Y)
         g.DrawLine(New Pen(titlebarColor2), rect.X, rect.Y + 1, rect.X + rect.Width, rect.Y + 1)
         g.DrawLine(New Pen(titlebarColor3), rect.X, rect.Y + 2, rect.X + rect.Width, rect.Y + 2)
         g.DrawLine(New Pen(titlebarColor4), rect.X, rect.Y + 3, rect.X + rect.Width, rect.Y + 3)
         g.DrawLine(New Pen(titlebarColor5), rect.X, rect.Y + 4, rect.X + rect.Width, rect.Y + 4)
         g.DrawLine(New Pen(titlebarColor6), rect.X, rect.Y + 5, rect.X + rect.Width, rect.Y + 5)
         g.DrawLine(New Pen(titlebarColor7), rect.X, rect.Y + 6, rect.X + rect.Width, rect.Y + 6)

         ' Center the titlebar grip.
         g.DrawImage(titlebarGrip, New Point(rect.X + (rect.Width / 2 - titlebarGrip.Width / 2), rect.Y + 1))
     End Sub
   
   
   ' This method handles the RenderGrip event.
   Protected Overrides Sub OnRenderGrip(e As ToolStripGripRenderEventArgs)
      DrawTitleBar(e.Graphics, New Rectangle(0, 0, e.ToolStrip.Width, 7))
     End Sub
   
   
   ' This method handles the RenderToolStripBorder event.
   Protected Overrides Sub OnRenderToolStripBorder(e As ToolStripRenderEventArgs)
      DrawTitleBar(e.Graphics, New Rectangle(0, 0, e.ToolStrip.Width, 7))
     End Sub
   
   
   ' This method handles the RenderButtonBackground event.
   Protected Overrides Sub OnRenderButtonBackground(e As ToolStripItemRenderEventArgs)
      Dim g As Graphics = e.Graphics
      Dim bounds As New Rectangle(Point.Empty, e.Item.Size)
      
      Dim gradientBegin As Color = Color.FromArgb(203, 225, 252)
      Dim gradientEnd As Color = Color.FromArgb(125, 165, 224)
      
         Dim button As ToolStripButton = CType(e.Item, ToolStripButton)
      
      If button.Pressed OrElse button.Checked Then
         gradientBegin = Color.FromArgb(254, 128, 62)
         gradientEnd = Color.FromArgb(255, 223, 154)
      ElseIf button.Selected Then
         gradientBegin = Color.FromArgb(255, 255, 222)
         gradientEnd = Color.FromArgb(255, 203, 136)
      End If
      
      Dim b = New LinearGradientBrush(bounds, gradientBegin, gradientEnd, LinearGradientMode.Vertical)
      Try
         g.FillRectangle(b, bounds)
      Finally
         b.Dispose()
      End Try
      
      e.Graphics.DrawRectangle(SystemPens.ControlDarkDark, bounds)
      
      g.DrawLine(SystemPens.ControlDarkDark, bounds.X, bounds.Y, bounds.Width - 1, bounds.Y)
      
      g.DrawLine(SystemPens.ControlDarkDark, bounds.X, bounds.Y, bounds.X, bounds.Height - 1)
      
      Dim toolStrip As ToolStrip = button.Owner
         Dim nextItem As ToolStripButton = CType(button.Owner.GetItemAt(button.Bounds.X, button.Bounds.Bottom + 1), ToolStripButton)
      
      If nextItem Is Nothing Then
         g.DrawLine(SystemPens.ControlDarkDark, bounds.X, bounds.Height - 1, bounds.X + bounds.Width - 1, bounds.Height - 1)
      End If
     End Sub
 End Class

No construtor do controle StackView, crie uma nova instância da classe StackRenderer e atribua essa instância à propriedade stackStrip do controle Renderer.

public StackView()
{
    this.InitializeComponent();

    // Assign icons to ToolStripButton controls.
    this.InitializeImages();

    // Set up renderers.
    this.stackStrip.Renderer = new StackRenderer();
}

Public Sub New()
   Me.InitializeComponent()
   
   ' Assign icons to ToolStripButton controls.
   Me.InitializeImages()
   
   ' Set up renderers.
   Me.stackStrip.Renderer = New StackRenderer()
 End Sub

Testar o controle StackView

O controle StackView deriva da classe UserControl. Portanto, você pode testar o controle com o contêiner de teste UserControl. Para obter mais informações, consulte How to: Test the Run-Time Behavior of a UserControl (Como testar o comportamento de tempo de execução de um UserControl).

Pressione F5 para compilar o projeto e iniciar o UserControl Test Container.
Mova o ponteiro sobre os botões do controle StackView e clique em um botão para ver a aparência do estado selecionado.

Próximas etapas

Neste passo a passo, você criou um controle de cliente personalizado reutilizável com a aparência profissional de um controle XP do Office. Você pode usar a ToolStrip família de controles para muitas outras finalidades:

Crie menus de atalho para seus controles com ContextMenuStrip. Para obter mais informações, consulte ContextMenu Component Overview.
Crie um formulário com um menu padrão preenchido automaticamente. Para obter mais informações, consulte Passo a passo: fornecendo itens de menu padrão para um formulário.
Crie um formulário MDI (interface de vários documentos) com controles ToolStrip de encaixe. Para obter mais informações, consulte Como criar um formulário MDI com mesclagem de menu e controles ToolStrip.

Consulte também

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Last updated on 2025-05-07