ToolBar.ButtonClick ToolBar.ButtonClick ToolBar.ButtonClick ToolBar.ButtonClick Event

定义

当单击 ToolBarButton 上的 ToolBar 时发生。Occurs when a ToolBarButton on the ToolBar is clicked.

public:
 event System::Windows::Forms::ToolBarButtonClickEventHandler ^ ButtonClick;
public event System.Windows.Forms.ToolBarButtonClickEventHandler ButtonClick;
member this.ButtonClick : System.Windows.Forms.ToolBarButtonClickEventHandler 
Public Custom Event ButtonClick As ToolBarButtonClickEventHandler 

示例

下面的代码示例创建一个ToolBar和三ToolBarButton个控件。The following code example creates a ToolBar and three ToolBarButton controls. 工具栏按钮将分配给按钮集合,集合将分配给工具栏,并将工具栏添加到窗体中。The toolbar buttons are assigned to the button collection, the collection is assigned to the toolbar, and the toolbar is added to the form. 在工具栏的Button ToolBarButtonClickEventArgs事件上,计算的属性,并打开相应的对话框。 ButtonClickOn the ButtonClick event of the toolbar, the Button property of the ToolBarButtonClickEventArgs is evaluated, and the appropriate dialog box opened. 此代码要求Form创建了OpenFileDialogSaveFileDialog、、和PrintDialogThis code requires that a Form, an OpenFileDialog, a SaveFileDialog, and a PrintDialog have been created.

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

注解

有关处理事件的详细信息, 请参阅处理和引发事件For more information about handling events, see Handling and Raising Events.

适用于

另请参阅