## MMPM/2 Device Driver Reference

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### VCAI_GETIMAGESCALE (6Ch) - Pointer to structure

Pointer to structure The data packet parameter is a pointer to the following structure.

    typedef struct _VCAGETIMAGESCALE {
      ULONG       Capture_Buf_Len;
      ULONG       Capture_Buf_Ptr;
      ULONG       Source_X_Left;
      ULONG       Source_Y_Top;
      ULONG       Source_Y_Height;
      ULONG       Source_X_Width;
      ULONG       Dest_X_Left;
      ULONG       Dest_Y_Top;
      ULONG       Dest_Y_Height;
      ULONG       Dest_X_Width;
    } VCAGETIMAGESCALE;

    typedef   VCAGETIMAGESCLAE   FAR   *   PVCAGETIMAGESCALE ;