Record used to define regions of interest.
Source position: gpm.pp line 122
| type Tgpm_roi = record | ||
| xmin: Integer; | 
 | Minimum horizontal position. | 
| xmax: Integer; | 
 | Maximum horizontal position. | 
| ymin: Integer; | 
 | Minimum vertical position. | 
| ymax: Integer; | 
 | Maximum horizontal position. | 
| minmod: Word; | 
 | Minimum modifiers required. | 
| maxmod: Word; | 
 | Maximum modifiers allowed. | 
| eventmask: Word; | 
 | Events to signal. | 
| owned: Word; | 
 | ? | 
| handler: TGpmHandler; | 
 | Handler to call in case of event. | 
| clientdata: pointer; | 
 | Clientdata to pass to event handler. | 
| prev: Pgpm_roi; | 
 | Previous region of interest. | 
| next: Pgpm_roi; | 
 | Next region of interest. | 
| end; |