Control.VisibleChanged Event
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Occurs when the Visible property value changes.
public:
event EventHandler ^ VisibleChanged;
public event EventHandler VisibleChanged;
public event EventHandler? VisibleChanged;
member this.VisibleChanged : EventHandler
Public Custom Event VisibleChanged As EventHandler
Event Type
Examples
The following code example raises the VisibleChanged event when the Visible property value of the Label control has changed.
private:
void Button_HideLabel( Object^ /*sender*/, EventArgs^ /*e*/ )
{
myLabel->Visible = false;
}
void AddVisibleChangedEventHandler()
{
myLabel->VisibleChanged += gcnew EventHandler( this, &MyForm::Label_VisibleChanged );
}
void Label_VisibleChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
{
MessageBox::Show( "Visible change event raised!!!" );
}
private void Button_HideLabel(object sender, EventArgs e)
{
myLabel.Visible = false;
}
private void AddVisibleChangedEventHandler()
{
myLabel.VisibleChanged += new EventHandler(this.Label_VisibleChanged);
}
private void Label_VisibleChanged(object sender, EventArgs e)
{
MessageBox.Show("Visible change event raised!!!");
}
Private Sub Button_HideLabel(ByVal sender As Object, ByVal e As EventArgs)
myLabel.Visible = False
End Sub
Private Sub AddVisibleChangedEventHandler()
AddHandler myLabel.VisibleChanged, AddressOf Label_VisibleChanged
End Sub
Private Sub Label_VisibleChanged(ByVal sender As Object, ByVal e As EventArgs)
MessageBox.Show("Visible change event raised!!!")
End Sub
Remarks
This event is raised if the Visible property is changed by either a programmatic modification or user interaction.
For more information about handling events, see Handling and Raising Events.
Applies to
See also
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