From Xojo Documentation

Class (inherits from RuntimeException)

You tried to get the parent of a control using the Parent property of the Control class, but its parent is in a different window. The parent control must be in the same window as the control or the parent is the containing window, not another control.

ErrorNumber Message Reason fa-lock-32.png
Stack StackFrames

Sample Code

This example tries to capture an invalid parent control.

Me.Parent = SendDemoWindow.PushButton1

Exception err As InvalidParentException
MsgBox("An InvalidParentException occurred!")

See Also

Parent property of the Control class; Exception, Try statements; RuntimeException class.