ClearDevice
Clear the complete screen
Declaration
Source position: graphh.inc line 758
  procedure ClearDevice;
Description
Clears the graphical screen (with the current background color), and sets the pointer at (0,0).
Errors
None.
See also
| Name | Description | 
|---|---|
| ClearViewPort | Clear the current viewport | 
| SetBkColor | Set background drawing color |