ToolBar.ToolBarButtonCollection.IsReadOnly Özellik

Tanım

Ad Alanı:

System.Windows.Forms

Bütünleştirilmiş Kod:

System.Windows.Forms.dll

Topluluğun salt okunur olup olmadığını gösteren bir değer alır.

public:
 property bool IsReadOnly { bool get(); };

public bool IsReadOnly { get; }

member this.IsReadOnly : bool

Public ReadOnly Property IsReadOnly As Boolean

Özellik Değeri

Boolean

Koleksiyonun salt okunursa true; değilse, false. Varsayılan değer: false.

Uygulamalar

IsReadOnly

Örnekler

Aşağıdaki kod örneği, varsa bir denetimden var olan ToolBarButton bir ToolBar nesneyi kaldırır ve öğesine dört yeni ToolBarButton nesne ToolBarekleyip ekler. Bu örnek, üzerinde bir denetimi olan bir Form ToolBar öğesinin olmasını gerektirir.

void AddToolbarButtons( ToolBar^ toolBar )
{
   if (  !toolBar->Buttons->IsReadOnly )
   {
      
      // If toolBarButton1 in in the collection, remove it.
      if ( toolBar->Buttons->Contains( toolBarButton1 ) )
      {
         toolBar->Buttons->Remove( toolBarButton1 );
      }
      
      // Create three toolbar buttons.
      ToolBarButton^ tbb1 = gcnew ToolBarButton( "tbb1" );
      ToolBarButton^ tbb2 = gcnew ToolBarButton( "tbb2" );
      ToolBarButton^ tbb3 = gcnew ToolBarButton( "tbb3" );
      
      // Add toolbar buttons to the toolbar.
      array<ToolBarButton^>^buttons = {tbb2,tbb3};
      toolBar->Buttons->AddRange( buttons );
      toolBar->Buttons->Add( "tbb4" );
      
      // Insert tbb1 into the first position in the collection.
      toolBar->Buttons->Insert( 0, tbb1 );
   }
}

private void AddToolbarButtons(ToolBar toolBar)
{
   if(!toolBar.Buttons.IsReadOnly)
   {
      // If toolBarButton1 in in the collection, remove it.
      if(toolBar.Buttons.Contains(toolBarButton1))
      {
         toolBar.Buttons.Remove(toolBarButton1);
      }
    
      // Create three toolbar buttons.
      ToolBarButton tbb1 = new ToolBarButton("tbb1");
      ToolBarButton tbb2 = new ToolBarButton("tbb2");
      ToolBarButton tbb3 = new ToolBarButton("tbb3");
      
      // Add toolbar buttons to the toolbar.		
      toolBar.Buttons.AddRange(new ToolBarButton[] {tbb2, tbb3});
      toolBar.Buttons.Add("tbb4");
    
      // Insert tbb1 into the first position in the collection.
      toolBar.Buttons.Insert(0, tbb1);
   }
}

Private Sub AddToolbarButtons(toolBar As ToolBar)
   If Not toolBar.Buttons.IsReadOnly Then
      ' If toolBarButton1 in in the collection, remove it.
      If toolBar.Buttons.Contains(toolBarButton1) Then
         toolBar.Buttons.Remove(toolBarButton1)
      End If

      ' Create three toolbar buttons.
      Dim tbb1 As New ToolBarButton("tbb1")
      Dim tbb2 As New ToolBarButton("tbb2")
      Dim tbb3 As New ToolBarButton("tbb3")

      ' Add toolbar buttons to the toolbar.		
      toolBar.Buttons.AddRange(New ToolBarButton() {tbb2, tbb3})
      toolBar.Buttons.Add("tbb4")

      ' Insert tbb1 into the first position in the collection.
      toolBar.Buttons.Insert(0, tbb1)
   End If
End Sub