ToolBarButtonClickEventArgs 类
重要
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为 ButtonClick 事件提供数据。
public ref class ToolBarButtonClickEventArgs : EventArgs
public class ToolBarButtonClickEventArgs : EventArgs
type ToolBarButtonClickEventArgs = class
inherit EventArgs
Public Class ToolBarButtonClickEventArgs
Inherits EventArgs
- 继承
以下示例实例化 一个 和三个 ToolBarToolBarButton 控件。 工具栏按钮分配给按钮集合,集合分配给工具栏,工具栏添加到窗体。 在 ButtonClick 工具栏的 事件中 Button ,计算 的 ToolBarButtonClickEventArgs 属性,并打开相应的对话框。 此代码假定 Form、、OpenFileDialogSaveFileDialog、 和 PrintDialog 已实例化。
public:
void InitializeMyToolBar()
{
// Create and initialize the ToolBar and ToolBarButton controls.
toolBar1 = gcnew ToolBar;
ToolBarButton^ toolBarButton1 = gcnew ToolBarButton;
ToolBarButton^ toolBarButton2 = gcnew ToolBarButton;
ToolBarButton^ toolBarButton3 = gcnew ToolBarButton;
// Set the Text properties of the ToolBarButton controls.
toolBarButton1->Text = "Open";
toolBarButton2->Text = "Save";
toolBarButton3->Text = "Print";
// Add the ToolBarButton controls to the ToolBar.
toolBar1->Buttons->Add( toolBarButton1 );
toolBar1->Buttons->Add( toolBarButton2 );
toolBar1->Buttons->Add( toolBarButton3 );
// Add the event-handler delegate.
toolBar1->ButtonClick += gcnew ToolBarButtonClickEventHandler(
this, &Form1::toolBar1_ButtonClick );
// Add the ToolBar to the Form.
Controls->Add( toolBar1 );
}
private:
void toolBar1_ButtonClick(
Object^ sender,
ToolBarButtonClickEventArgs^ e )
{
// Evaluate the Button property to determine which button was clicked.
switch ( toolBar1->Buttons->IndexOf( e->Button ) )
{
case 0:
openFileDialog1->ShowDialog();
// Insert code to open the file.
break;
case 1:
saveFileDialog1->ShowDialog();
// Insert code to save the file.
break;
case 2:
printDialog1->ShowDialog();
// Insert code to print the file.
break;
}
}
public void InitializeMyToolBar()
{
// Create and initialize the ToolBar and ToolBarButton controls.
toolBar1 = new ToolBar();
ToolBarButton toolBarButton1 = new ToolBarButton();
ToolBarButton toolBarButton2 = new ToolBarButton();
ToolBarButton toolBarButton3 = new ToolBarButton();
// Set the Text properties of the ToolBarButton controls.
toolBarButton1.Text = "Open";
toolBarButton2.Text = "Save";
toolBarButton3.Text = "Print";
// Add the ToolBarButton controls to the ToolBar.
toolBar1.Buttons.Add(toolBarButton1);
toolBar1.Buttons.Add(toolBarButton2);
toolBar1.Buttons.Add(toolBarButton3);
// Add the event-handler delegate.
toolBar1.ButtonClick += new ToolBarButtonClickEventHandler (
this.toolBar1_ButtonClick);
// Add the ToolBar to the Form.
Controls.Add(toolBar1);
}
private void toolBar1_ButtonClick (
Object sender,
ToolBarButtonClickEventArgs e)
{
// Evaluate the Button property to determine which button was clicked.
switch(toolBar1.Buttons.IndexOf(e.Button))
{
case 0:
openFileDialog1.ShowDialog();
// Insert code to open the file.
break;
case 1:
saveFileDialog1.ShowDialog();
// Insert code to save the file.
break;
case 2:
printDialog1.ShowDialog();
// Insert code to print the file.
break;
}
}
Public Sub InitializeMyToolBar()
' Create and initialize the ToolBar and ToolBarButton controls.
Dim toolBar1 As New ToolBar()
Dim toolBarButton1 As New ToolBarButton()
Dim toolBarButton2 As New ToolBarButton()
Dim toolBarButton3 As New ToolBarButton()
' Set the Text properties of the ToolBarButton controls.
toolBarButton1.Text = "Open"
toolBarButton2.Text = "Save"
toolBarButton3.Text = "Print"
' Add the ToolBarButton controls to the ToolBar.
toolBar1.Buttons.Add(toolBarButton1)
toolBar1.Buttons.Add(toolBarButton2)
toolBar1.Buttons.Add(toolBarButton3)
' Add the event-handler delegate.
AddHandler toolBar1.ButtonClick, AddressOf Me.toolBar1_ButtonClick
' Add the ToolBar to the Form.
Controls.Add(toolBar1)
End Sub
Private Sub toolBar1_ButtonClick(ByVal sender As Object, _
ByVal e As ToolBarButtonClickEventArgs)
' Evaluate the Button property to determine which button was clicked.
Select Case toolBar1.Buttons.IndexOf(e.Button)
Case 0
openFileDialog1.ShowDialog()
' Insert code to open the file.
Case 1
saveFileDialog1.ShowDialog()
' Insert code to save the file.
Case 2
printDialog1.ShowDialog()
' Insert code to print the file.
End Select
End Sub
每当用户单击控件上的 ToolBar 按钮时,将发生该事件。 属性 Button 包含 ToolBarButton 与单击的按钮有关的信息的 。
Button |
获取或设置被单击的 ToolBarButton。 |
Equals(Object) |
确定指定对象是否等于当前对象。 (继承自 Object) |
Get |
作为默认哈希函数。 (继承自 Object) |
Get |
获取当前实例的 Type。 (继承自 Object) |
Memberwise |
创建当前 Object 的浅表副本。 (继承自 Object) |
To |
返回表示当前对象的字符串。 (继承自 Object) |
产品 | 版本 |
---|---|
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
Windows Desktop | 3.0 |