ToolBarButtonClickEventArgs 类     
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
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
 
示例
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
	注解
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 。
构造函数
| ToolBarButtonClickEventArgs(ToolBarButton) | 
		 初始化 ToolBarButtonClickEventArgs 类的新实例。  | 
        	
属性
| Button | 
		 获取或设置被单击的 ToolBarButton。  | 
        	
方法
| Equals(Object) | 
		 确定指定对象是否等于当前对象。 (继承自 Object) | 
        	
| GetHashCode() | 
		 作为默认哈希函数。 (继承自 Object) | 
        	
| GetType() | 
		 获取当前实例的 Type。 (继承自 Object) | 
        	
| MemberwiseClone() | 
		 创建当前 Object 的浅表副本。 (继承自 Object) | 
        	
| ToString() | 
		 返回表示当前对象的字符串。 (继承自 Object) |