ToolBar.ToolBarButtonCollection.IndexOf(ToolBarButton) Metode

Definisi

Ruang nama:

System.Windows.Forms

Rakitan:

System.Windows.Forms.dll

Mengambil indeks tombol toolbar yang ditentukan dalam koleksi.

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

Parameter

button

ToolBarButton

untuk ToolBarButton menemukan dalam koleksi.

Mengembalikan

Int32

Indeks berbasis nol dari item yang ditemukan dalam koleksi; jika tidak, -1.

Contoh

Contoh kode berikut membuat ToolBar dan tiga ToolBarButton kontrol. Tombol toolbar ditetapkan ke koleksi tombol, koleksi ditetapkan ke toolbar, dan toolbar ditambahkan ke formulir. ButtonClick Pada kejadian toolbar, Button properti ToolBarButtonClickEventArgs dievaluasi, dan kotak dialog yang sesuai dibuka. Kode ini mengharuskan Form, OpenFileDialog, , dan SaveFileDialogPrintDialog semuanya telah dibuat.

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

Keterangan

Metode ini memberi Anda akses mudah ke nilai ToolBarButton indeks dalam koleksi. Nilai indeks memungkinkan Anda untuk dengan mudah menentukan mana yang ToolBarButton diklik pada ToolBar. Yang ToolBarButton diklik dapat ditentukan dengan mengevaluasi IndexOf nilai ToolBarButtonClickEventArgs.Button properti.

Lihat juga

• ToolBarButtonClickEventArgs