return maximum number of colors.
Source position: graphh.inc line 781
| function GetMaxColor: ColorType; | 
GetMaxColor returns the maximum color-number which can be set with SetColor. Contrary to Turbo Pascal, this color isn't always guaranteed to be white (for instance in 256+ color modes).
None.
| 
 | Set foreground drawing color. | |
| 
 | Return maximal number of entries in current palette. |