ToolBar.ToolBarButtonCollection.IndexOf(ToolBarButton) Yöntem

Tanım

Ad Alanı:

System.Windows.Forms

Bütünleştirilmiş Kod:

System.Windows.Forms.dll

Koleksiyonda belirtilen araç çubuğu düğmesinin dizinini alır.

public:
 int IndexOf(System::Windows::Forms::ToolBarButton ^ button);

public int IndexOf (System.Windows.Forms.ToolBarButton button);

member this.IndexOf : System.Windows.Forms.ToolBarButton -> int

Public Function IndexOf (button As ToolBarButton) As Integer

Parametreler

button

ToolBarButton

ToolBarButton Koleksiyonda bulunacak.

Döndürülenler

Int32

Koleksiyonda bulunan öğenin sıfır tabanlı dizini; aksi takdirde, -1.

Örnekler

Aşağıdaki kod örneği bir ToolBar ve üç ToolBarButton denetim oluşturur. Araç çubuğu düğmeleri düğme koleksiyonuna atanır, koleksiyon araç çubuğuna atanır ve araç çubuğu forma eklenir. ButtonClick Araç çubuğunun olayında öğesinin ButtonToolBarButtonClickEventArgs özelliği değerlendirilir ve uygun iletişim kutusu açılır. Bu kod için , FormOpenFileDialogSaveFileDialogve PrintDialog değerlerinin tümünün oluşturulması gerekir.

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 additional code here to open the file.
            break;
         case 1:
            saveFileDialog1->ShowDialog();
            // Insert additional code here to save the file.
            break;
         case 2:
            printDialog1->ShowDialog();
            // Insert additional code here 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(
       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 additional code here to open the file.
         break; 
      case 1:
         saveFileDialog1.ShowDialog();
         // Insert additional code here to save the file.
         break; 
      case 2:
         printDialog1.ShowDialog();
         // Insert additional code here 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 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 additional code here to open the file.
        Case 1
            saveFileDialog1.ShowDialog()
            ' Insert additional code here to save the file.
        Case 2
            printDialog1.ShowDialog()
            ' Insert additional code here to print the file.    
    End Select
End Sub

Açıklamalar

Bu yöntem, koleksiyondaki öğesinin dizin değerine ToolBarButton kolay erişim sağlar. Dizin değeri, öğesine hangilerinin tıklandığını kolayca belirlemenizi ToolBarButtonToolBarsağlar. ToolBarButton Tıklanan, özelliğin IndexOf değeri ToolBarButtonClickEventArgs.Button değerlendirilerek belirlenebilir.

Ayrıca bkz.

• ToolBarButtonClickEventArgs