The 'Screentoclient' method

Argument: 2-element integer vector
Result: 2-element integer vector

Valid for: Any visible control

This method converts coordinates relative to the whole screen to coordinates relative to the client area of the control. Both the argument and the result are two-element vectors of Row position, Column position (i.e. Y, X), always expressed in pixels. The scale properties of the control and System objects are ignored.

This method is particularly useful for relating mouse position coordinates reported in ⎕EV to coordinates within the control.