DataGrid.ParentRowsVisibleChanged Event

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Important

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Occurs when the ParentRowsVisible property value changes.

public:
 event EventHandler ^ ParentRowsVisibleChanged;

public event EventHandler ParentRowsVisibleChanged;

member this.ParentRowsVisibleChanged : EventHandler

Public Custom Event ParentRowsVisibleChanged As EventHandler

Event Type

EventHandler

Examples

The following code example demonstrates the use of this member.

private:
   void CallParentRowsVisibleChanged()
   {
      myDataGrid->ParentRowsVisibleChanged += gcnew EventHandler( this, &MyForm::DataGridParentRowsVisibleChanged_Clicked );
   }

   // Set the 'ParentRowsVisible' property on click of a button.
   void ToggleVisible_Clicked( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if (myDataGrid->ParentRowsVisible)
            myDataGrid->ParentRowsVisible = false;
      else
            myDataGrid->ParentRowsVisible = true;
   }

   // raise the event when 'ParentRowsVisible' property is changed.
   void DataGridParentRowsVisibleChanged_Clicked( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      String^ myMessage = "ParentRowsVisibleChanged event raised, Parent row is : ";
      bool visible = myDataGrid->ParentRowsVisible;
      myMessage = String::Concat( myMessage, visible ? (String^)" " : " NOT ", "visible" );
      MessageBox::Show( myMessage, "ParentRowsVisible information" );
   }

private void CallParentRowsVisibleChanged()
{
   myDataGrid.ParentRowsVisibleChanged +=
      new EventHandler(DataGridParentRowsVisibleChanged_Clicked);
}

// Set the 'ParentRowsVisible' property on click of a button.
private void ToggleVisible_Clicked(object sender, EventArgs e)
{
   if (myDataGrid.ParentRowsVisible)
      myDataGrid.ParentRowsVisible = false;
   else
      myDataGrid.ParentRowsVisible = true;
}

// raise the event when 'ParentRowsVisible' property is changed.
private void DataGridParentRowsVisibleChanged_Clicked(object sender, EventArgs e)
{
   string myMessage = "ParentRowsVisibleChanged event raised, Parent row is : ";
   bool visible = myDataGrid.ParentRowsVisible;
   myMessage += (visible ? " " : " NOT ") + "visible";

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

Private Sub CallParentRowsVisibleChanged()
    AddHandler myDataGrid.ParentRowsVisibleChanged, AddressOf _
                                              DataGridParentRowsVisibleChanged_Clicked
End Sub


' Set the 'ParentRowsVisible' property on click of a button.
Private Sub ToggleVisible_Clicked(ByVal sender As Object, ByVal e As EventArgs)
    If myDataGrid.ParentRowsVisible = True Then
        myDataGrid.ParentRowsVisible = False
    Else
        myDataGrid.ParentRowsVisible = True
    End If
End Sub

' raise the event when 'ParentRowsVisible' property is changed.
Private Sub DataGridParentRowsVisibleChanged_Clicked(ByVal sender As Object, ByVal e As EventArgs)
    Dim myMessage As String = "ParentRowsVisibleChanged event raised, Parent row is : "
    Dim visible As Boolean = myDataGrid.ParentRowsVisible
    myMessage += IIF(visible, " ", "Not") + "Visible"
    MessageBox.Show(myMessage, "ParentRowsVisible information")
End Sub

Applies to

Produkt	Wersje
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 10

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DataGrid.ParentRowsVisibleChanged Event

Definition

Event Type

Examples

Applies to

Dodatkowe zasoby