CODEWITHSUNDEEP
winapihookgdi
Momico
Momico

Reputation: 85

Is there a way to distinguish the device context type?


I am Hooking the GDI API ExtTextOut 

BOOL ExtTextOut(
  __in  HDC hdc,
  __in  int X,
  __in  int Y,
  __in  UINT fuOptions,
  __in  const RECT *lprc,
  __in  LPCTSTR lpString,
  __in  UINT cbCount,
  __in  const INT *lpDx
);

My question: Is there a good solid way to distinguish the device context type (HDC). In particular to know if it is a memory device context or a display device context.

Thanks for your efforts, Momico.

Upvotes: 2

Views: 216

Answers (1)

Matteo Lanzi
Matteo Lanzi

Reputation: 36

off course there is, you should put in your custom function return GetObjectType( dc ) == OBJ_MEMDC ;

best

Upvotes: 2

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