DesktopWindow.ControlCount
From Xojo Documentation
Read-Only Property (As Integer )
IntegerValue = aDesktopWindow.ControlCount
New in 2021r3
Supported for all project types and targets.
New in 2021r3
Supported for all project types and targets.
The number of controls in the window.
Example
The following example is in the Action event of a DesktopButton. It displays the number of controls in the Window:
MsgBox(Self.ControlCount.ToString)