ShowControl
ShowControl
Make a control visible; draw it if not obscured ShowControl sets the control's contrlVis field to 255 and immediately draws the control (if it is not obscured by an overlapping window, an other
control, or other object).
theControl is a handle leading to a variable-length ControlRecord structure. It identifies which control you wish to draw.
portion of the control is on-screen (and unobscured) and makes the control
Note that when controls overlap, the most-recently created control is
considered to be in front. If theControl is behind another visible control,