int setCtlFocus(int n)
Returns false if the control number is out of range, a preview control or not in use. Returns NULL if the parameter is otherwise invalid. Otherwise, returns a handle to the user control.
Sets the keyboard focus to the specified user control.
%fml ctl[0]: STANDARD(MOUSEOVER), Text="Zero", Val=0 ctl[1]: STANDARD(MOUSEOVER), Text="One", Val=75 ctl[2]: STANDARD(MOUSEOVER), Text="Two", Val=150 ctl[3]: STANDARD(MOUSEOVER), Text="Three", Val=225 OnCtl(n): { // When the mouse is moved over // one of the slider controls // it will light up with focus. if (e == FME_MOUSEOVER) { setCtlFocus(n); } return true; }