bOk = MImgCtlRefresh( hWndCtl )
bOk = CMImgCtl.Refresh( )
Refreshes an image control. "Refresh" means that the scrollbars are adjusted and the control is redrawn.
You should call this function if the control's image was modified directly with M!Image functions, e.g. MImgSetSize.
Window Handle: Window Handle of the image control.
Boolean: TRUE if successful or FALSE if an error occurs.
Set bOk = MImgCtlRefresh( hWndCtl )
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