DataGridBoolColumn.TrueValueChanged Event
Definition
Important
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Occurs when the TrueValue property value is changed.
public:
event EventHandler ^ TrueValueChanged;
public event EventHandler TrueValueChanged;
member this.TrueValueChanged : EventHandler
Public Custom Event TrueValueChanged As EventHandler
Event Type
Examples
The following code example demonstrates the use of this member.
void RegisterEventHandlers( DataGridBoolColumn^ myDataGridBoolColumn )
{
myDataGridBoolColumn->AllowNullChanged += gcnew System::EventHandler( this, &MyForm::myDataGridBoolColumn_AllowNullChanged );
myDataGridBoolColumn->TrueValueChanged += gcnew System::EventHandler( this, &MyForm::myDataGridBoolColumn_TrueValueChanged );
myDataGridBoolColumn->FalseValueChanged += gcnew System::EventHandler( this, &MyForm::myDataGridBoolColumn_FalseValueChanged );
}
// Event handler for event when 'TrueValue' is property changed.
void myDataGridBoolColumn_TrueValueChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
{
MessageBox::Show( String::Concat( "The TrueValue property of the DataGridBoolColumn has been changed to ", myDataGridBoolColumn->TrueValue ) );
}
// Event handler for event when 'FalseValue' is property changed.
void myDataGridBoolColumn_FalseValueChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
{
MessageBox::Show( String::Concat( "The FalseValue property of the DataGridBoolColumn has been changed to ", myDataGridBoolColumn->FalseValue ) );
}
// Event handler for event when 'AllowNull' is property changed.
void myDataGridBoolColumn_AllowNullChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
{
MessageBox::Show( String::Concat( "The AllowNull property of DataGridBoolColumn has been changed to ", myDataGridBoolColumn->AllowNull ) );
}
private void RegisterEventHandlers(DataGridBoolColumn myDataGridBoolColumn)
{
myDataGridBoolColumn.AllowNullChanged +=
new System.EventHandler(myDataGridBoolColumn_AllowNullChanged);
myDataGridBoolColumn.TrueValueChanged +=
new System.EventHandler(myDataGridBoolColumn_TrueValueChanged);
myDataGridBoolColumn.FalseValueChanged +=
new System.EventHandler(myDataGridBoolColumn_FalseValueChanged);
}
// Event handler for event when 'TrueValue' is property changed.
private void myDataGridBoolColumn_TrueValueChanged(object sender, EventArgs e)
{
MessageBox.Show("The TrueValue property of the DataGridBoolColumn has been changed to "
+ myDataGridBoolColumn.TrueValue);
}
// Event handler for event when 'FalseValue' is property changed.
private void myDataGridBoolColumn_FalseValueChanged(object sender, EventArgs e)
{
MessageBox.Show("The FalseValue property of the DataGridBoolColumn has been changed to "
+ myDataGridBoolColumn.FalseValue);
}
// Event handler for event when 'AllowNull' is property changed.
private void myDataGridBoolColumn_AllowNullChanged(object sender, EventArgs e)
{
MessageBox.Show("The AllowNull property of DataGridBoolColumn has been changed to "
+ myDataGridBoolColumn.AllowNull);
}
Private Sub RegisterEventHandlers(myDataGridBoolColumn As DataGridBoolColumn)
AddHandler myDataGridBoolColumn.AllowNullChanged, _
AddressOf myDataGridBoolColumn_AllowNullChanged
AddHandler myDataGridBoolColumn.TrueValueChanged, _
AddressOf myDataGridBoolColumn_TrueValueChanged
AddHandler myDataGridBoolColumn.FalseValueChanged, _
AddressOf myDataGridBoolColumn_FalseValueChanged
End Sub
' Event handler for event when 'TrueValue' is property changed.
Private Sub myDataGridBoolColumn_TrueValueChanged(sender As Object, e As EventArgs)
MessageBox.Show("The TrueValue property of the DataGridBoolColumn has been changed to " _
& myDataGridBoolColumn.TrueValue)
End Sub
' Event handler for event when 'FalseValue' is property changed.
Private Sub myDataGridBoolColumn_FalseValueChanged(sender As Object, e As EventArgs)
MessageBox.Show("The FalseValue property of the DataGridBoolColumn has been changed to " _
& myDataGridBoolColumn.FalseValue)
End Sub
' Event handler for event when 'AllowNull' is property changed.
Private Sub myDataGridBoolColumn_AllowNullChanged(sender As Object, e As EventArgs)
MessageBox.Show("The AllowNull property of DataGridBoolColumn has been changed to " _
& myDataGridBoolColumn.AllowNull)
End Sub
Remarks
For more information about how to handle events, see Handling and Raising Events.
Applies to
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