capDriverGetCaps

  • Article

The capDriverGetCaps macro returns the hardware capabilities of the capture driver currently connected to a  capture window. You can use this macro or explicitly send the WM_CAP_DRIVER_GET_CAPS message.

BOOL capDriverGetCaps(
  hwnd,    
  psCaps,  
  wSize    
);

Parameters

hwnd

Handle to a capture window.

psCaps

Pointer to the CAPDRIVERCAPS structure to contain the hardware capabilities.

wSize

Size, in bytes, of the structure referenced by psCaps.

Return Values

Returns TRUE if successful or FALSE if the capture window is not connected to a capture driver.

Remarks

The capabilities returned in CAPDRIVERCAPS are constant for a given capture driver. Applications need to retrieve this information once when the capture driver is first connected to a capture window.

Requirements

**  Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
**  Windows 95/98/Me:** Included in Windows 95 and later.
**  Header:** Declared in Vfw.h.

See Also

Video Capture, Video Capture Macros, CAPDRIVERCAPS, WM_CAP_DRIVER_GET_CAPS