ICImagingControl.OverlayUpdateEventEnable Property

[VB.NET]
Public OverlayUpdateEventEnable As Boolean

[C#]
public bool OverlayUpdateEventEnable

Run time only.

The OverlayUpdateEvent property is set to True per default.

This example demonstrates how to check, whether the overlay update event should be called.

[VB.NET]
If IcImagingControl1.DeviceValid = True Then
    '  Check whether the overlay update event is enabled.
    If IcImagingControl1.OverlayUpdateEventEnable = False Then
        '  Enable the overlay update event.
        IcImagingControl1.OverlayUpdateEventEnable = True
    End If
End If

[C#]
if (ICImagingControl1.DeviceValid)
{
    //  Check whether the overlay update event is enabled.
    if ( !ICImagingControl1.OverlayUpdateEventEnable )
    {
        //  Enable the overlay update event.
        ICImagingControl1.OverlayUpdateEventEnable = true;
    }
}