VGetVisual


 
Name
  VGetVisual - returns the current visual class used by 3DVIEWNIX.
 
Synopsis
  VGetVisual(visual_to_use)
  Visual **visual_to_use;               /*RETURN*/
 
Description
  VGetVisual returns the pointer of the current visual used by 3DVIEWNIX
to *visual_to_use.
 
Return Value
  0 - work successfully.
 
Parameters
  visual_to_use - returns a pointer to the Visual structure.
 
Side Effects
  None.
 
Entry Conditions
  If visual_to_use is NULL, or VSetVisualClass is not called earlier,
VGetVisual prints an error message to the standard error stream, produces
a core dump file and exits from the current process.
 
Related Functions
VSetVisualClass, VCreateColormap.