DataGrid.ParentRowsLabelStyleChanged 事件

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

在更改父行的标签样式时发生。

public:
 event EventHandler ^ ParentRowsLabelStyleChanged;

public event EventHandler ParentRowsLabelStyleChanged;

member this.ParentRowsLabelStyleChanged : EventHandler 

Public Custom Event ParentRowsLabelStyleChanged As EventHandler 

事件类型

EventHandler

示例

下面的代码示例演示了此成员的使用。

private:
   void CallParentRowsLabelStyleChanged()
   {
      myDataGrid->ParentRowsLabelStyleChanged += gcnew EventHandler( this, &MyForm::DataGridParentRowsLabelStyleChanged_Clicked );
   }

   // Set the 'ParentRowsLabelStyle' property on click of a button.
   void ToggleStyle_Clicked( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if ( myDataGrid->ParentRowsLabelStyle.ToString()->Equals( "Both" ) )
            myDataGrid->ParentRowsLabelStyle = DataGridParentRowsLabelStyle::TableName;
      else
            myDataGrid->ParentRowsLabelStyle = DataGridParentRowsLabelStyle::Both;
   }

   // raise the event when 'ParentRowsLabelStyle' property is changed.
   void DataGridParentRowsLabelStyleChanged_Clicked( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      String^ myMessage = "ParentRowsLabelStyleChanged event raised, LabelStyle is : ";
      
      // Get the state of 'ParentRowsLabelStyle' property.
      String^ myLabelStyle = myDataGrid->ParentRowsLabelStyle.ToString();
      myMessage = String::Concat( myMessage, myLabelStyle );
      MessageBox::Show( myMessage, "ParentRowsLabelStyle information" );
   }

private void CallParentRowsLabelStyleChanged()
{
   myDataGrid.ParentRowsLabelStyleChanged +=
      new EventHandler(DataGridParentRowsLabelStyleChanged_Clicked);
}

// Set the 'ParentRowsLabelStyle' property on click of a button.
private void ToggleStyle_Clicked(object sender, EventArgs e)
{
   if (myDataGrid.ParentRowsLabelStyle.ToString() == "Both")
      myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.TableName;
   else
      myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.Both;
}

// raise the event when 'ParentRowsLabelStyle' property is changed.
private void DataGridParentRowsLabelStyleChanged_Clicked(object sender, EventArgs e)
{
   string myMessage = "ParentRowsLabelStyleChanged event raised, LabelStyle is : ";
   // Get the state of 'ParentRowsLabelStyle' property.
   string myLabelStyle = myDataGrid.ParentRowsLabelStyle.ToString();
   myMessage += myLabelStyle;

   MessageBox.Show(myMessage, "ParentRowsLabelStyle information");
}

Private Sub CallParentRowsLabelStyleChanged()
   AddHandler myDataGrid.ParentRowsLabelStyleChanged, AddressOf _
                                        DataGridParentRowsLabelStyleChanged_Clicked
End Sub


' Set the 'ParentRowsLabelStyle' property on click of a button.
 Private Sub ToggleStyle_Clicked(ByVal sender As Object, ByVal e As EventArgs)
     If myDataGrid.ParentRowsLabelStyle.ToString() = "Both" Then
         myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.TableName
     Else
         myDataGrid.ParentRowsLabelStyle = DataGridParentRowsLabelStyle.Both
     End If
 End Sub

 ' raise the event when 'ParentRowsLabelStyle' property is changed.
 Private Sub DataGridParentRowsLabelStyleChanged_Clicked(ByVal sender As Object, ByVal e As EventArgs)
     Dim myMessage As String = "ParentRowsLabelStyleChanged event raised, LabelStyle is : "
     ' Get the state of 'ParentRowsLabelStyle' property.
     Dim myLabelStyle As String = myDataGrid.ParentRowsLabelStyle.ToString()
     myMessage += myLabelStyle

     MessageBox.Show(myMessage, "ParentRowsLabelStyle information")
 End Sub