DesktopWindow.Width
From Xojo Documentation
Property (As Integer )
aDesktopWindow.Width = newIntegerValue
or
IntegerValue = aDesktopWindow.Width
New in 2021r3
Supported for all project types and targets.
or
IntegerValue = aDesktopWindow.Width
New in 2021r3
Supported for all project types and targets.
The width of the content region of the window.
Notes
The left and right window frames are taken into account.