Como definir o renderizador ToolStrip em tempo de execução
Você pode personalizar a aparência do controle ToolStrip criando uma classe de ProfessionalColorTable
personalizada.
Exemplo
O exemplo de código a seguir demonstra como criar uma classe de ProfessionalColorTable
personalizada. Esta classe define gradientes para um controle MenuStrip e um controle ToolStrip.
Para usar este exemplo de código, compile e execute o aplicativo e clique em Alterar Cores para aplicar os gradientes definidos na classe ProfessionalColorTable
personalizada.
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Drawing;
Imports System.Collections.Generic
Imports System.Windows.Forms
Imports System.Drawing
// This code example demonstrates how to use a ProfessionalRenderer
// to define custom professional colors at runtime.
class Form2 : Form
{
public Form2()
{
// Create a new ToolStrip control.
ToolStrip ts = new ToolStrip();
// Populate the ToolStrip control.
ts.Items.Add("Apples");
ts.Items.Add("Oranges");
ts.Items.Add("Pears");
ts.Items.Add(
"Change Colors",
null,
new EventHandler(ChangeColors_Click));
// Create a new MenuStrip.
MenuStrip ms = new MenuStrip();
// Dock the MenuStrip control to the top of the form.
ms.Dock = DockStyle.Top;
// Add the top-level menu items.
ms.Items.Add("File");
ms.Items.Add("Edit");
ms.Items.Add("View");
ms.Items.Add("Window");
// Add the ToolStrip to Controls collection.
this.Controls.Add(ts);
// Add the MenuStrip control last.
// This is important for correct placement in the z-order.
this.Controls.Add(ms);
}
// This event handler is invoked when the "Change colors"
// ToolStripItem is clicked. It assigns the Renderer
// property for the ToolStrip control.
void ChangeColors_Click(object sender, EventArgs e)
{
ToolStripManager.Renderer =
new ToolStripProfessionalRenderer(new CustomProfessionalColors());
}
}
// This class defines the gradient colors for
// the MenuStrip and the ToolStrip.
class CustomProfessionalColors : ProfessionalColorTable
{
public override Color ToolStripGradientBegin
{ get { return Color.BlueViolet; } }
public override Color ToolStripGradientMiddle
{ get { return Color.CadetBlue; } }
public override Color ToolStripGradientEnd
{ get { return Color.CornflowerBlue; } }
public override Color MenuStripGradientBegin
{ get { return Color.Salmon; } }
public override Color MenuStripGradientEnd
{ get { return Color.OrangeRed; } }
}
' This code example demonstrates how to use a ProfessionalRenderer
' to define custom professional colors at runtime.
Class Form2
Inherits Form
Public Sub New()
' Create a new ToolStrip control.
Dim ts As New ToolStrip()
' Populate the ToolStrip control.
ts.Items.Add("Apples")
ts.Items.Add("Oranges")
ts.Items.Add("Pears")
ts.Items.Add("Change Colors", Nothing, New EventHandler(AddressOf ChangeColors_Click))
' Create a new MenuStrip.
Dim ms As New MenuStrip()
' Dock the MenuStrip control to the top of the form.
ms.Dock = DockStyle.Top
' Add the top-level menu items.
ms.Items.Add("File")
ms.Items.Add("Edit")
ms.Items.Add("View")
ms.Items.Add("Window")
' Add the ToolStrip to Controls collection.
Me.Controls.Add(ts)
' Add the MenuStrip control last.
' This is important for correct placement in the z-order.
Me.Controls.Add(ms)
End Sub
' This event handler is invoked when the "Change colors"
' ToolStripItem is clicked. It assigns the Renderer
' property for the ToolStrip control.
Sub ChangeColors_Click(ByVal sender As Object, ByVal e As EventArgs)
ToolStripManager.Renderer = New ToolStripProfessionalRenderer(New CustomProfessionalColors())
End Sub
End Class
' This class defines the gradient colors for
' the MenuStrip and the ToolStrip.
Class CustomProfessionalColors
Inherits ProfessionalColorTable
Public Overrides ReadOnly Property ToolStripGradientBegin() As Color
Get
Return Color.BlueViolet
End Get
End Property
Public Overrides ReadOnly Property ToolStripGradientMiddle() As Color
Get
Return Color.CadetBlue
End Get
End Property
Public Overrides ReadOnly Property ToolStripGradientEnd() As Color
Get
Return Color.CornflowerBlue
End Get
End Property
Public Overrides ReadOnly Property MenuStripGradientBegin() As Color
Get
Return Color.Salmon
End Get
End Property
Public Overrides ReadOnly Property MenuStripGradientEnd() As Color
Get
Return Color.OrangeRed
End Get
End Property
End Class
Definindo uma classe ProfessionalColorTable personalizada
Os gradientes personalizados são definidos na classe CustomProfessionalColors
.
// This class defines the gradient colors for
// the MenuStrip and the ToolStrip.
class CustomProfessionalColors : ProfessionalColorTable
{
public override Color ToolStripGradientBegin
{ get { return Color.BlueViolet; } }
public override Color ToolStripGradientMiddle
{ get { return Color.CadetBlue; } }
public override Color ToolStripGradientEnd
{ get { return Color.CornflowerBlue; } }
public override Color MenuStripGradientBegin
{ get { return Color.Salmon; } }
public override Color MenuStripGradientEnd
{ get { return Color.OrangeRed; } }
}
' This class defines the gradient colors for
' the MenuStrip and the ToolStrip.
Class CustomProfessionalColors
Inherits ProfessionalColorTable
Public Overrides ReadOnly Property ToolStripGradientBegin() As Color
Get
Return Color.BlueViolet
End Get
End Property
Public Overrides ReadOnly Property ToolStripGradientMiddle() As Color
Get
Return Color.CadetBlue
End Get
End Property
Public Overrides ReadOnly Property ToolStripGradientEnd() As Color
Get
Return Color.CornflowerBlue
End Get
End Property
Public Overrides ReadOnly Property MenuStripGradientBegin() As Color
Get
Return Color.Salmon
End Get
End Property
Public Overrides ReadOnly Property MenuStripGradientEnd() As Color
Get
Return Color.OrangeRed
End Get
End Property
End Class
Atribuindo um renderizador personalizado
Crie uma nova ToolStripProfessionalRenderer
com uma classe CustomProfessionalColors
e atribua-a à propriedade ToolStripManager.Renderer.
// This event handler is invoked when the "Change colors"
// ToolStripItem is clicked. It assigns the Renderer
// property for the ToolStrip control.
void ChangeColors_Click(object sender, EventArgs e)
{
ToolStripManager.Renderer =
new ToolStripProfessionalRenderer(new CustomProfessionalColors());
}
' This event handler is invoked when the "Change colors"
' ToolStripItem is clicked. It assigns the Renderer
' property for the ToolStrip control.
Sub ChangeColors_Click(ByVal sender As Object, ByVal e As EventArgs)
ToolStripManager.Renderer = New ToolStripProfessionalRenderer(New CustomProfessionalColors())
End Sub
Compilando o código
Este exemplo requer:
- Referências aos assemblies System.Design, System.Drawing e System.Windows.Forms.
Consulte também
- ToolStripManager
- ProfessionalColorTable
- MenuStrip
- ToolStrip
- ToolStripProfessionalRenderer
- de controle ToolStrip
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