Window.Left
From Xojo Documentation
Property (As Integer )
aWindow.Left = newIntegerValue
or
IntegerValue = aWindow.Left
Supported for all project types and targets.
or
IntegerValue = aWindow.Left
Supported for all project types and targets.
The distance (in points) between the left edge of the screen and the left edge of the content area of the window.
Notes
The left frame of the window is taken into account.
Example
Me.Left = 50