Hi stigma,
you have to hide the form before doing a getpoint. The revised code below should fix your problem

[VBA]
Dim basePntX As Variant
Me.hide
basePntX = ThisDrawing.Utility.GetPoint(, "Select lower left corner")
Me.txtX = basePntX(0)
Me.txtY = basePntX(1)
Me.Show
[/VBA]