From Xojo Documentation
Revision as of 21:22, 9 December 2020 by PLefebvre
Read-Only Property (As Integer )
The Y coordinate of the mouse (points). Measured from the top-left corner of the screen.
This example gives the X and Y coordinates of the mouse when an event fires. For example, it works in a MouseDown or MouseEnter event.
MessageBox("X=" + System.MouseX.ToString + " Y=" + System.MouseY.ToString)