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capGetDriverDescription function

The capGetDriverDescription function retrieves the version description of the capture driver.

Syntax


BOOL VFWAPI capGetDriverDescription(
  WORD wDriverIndex,
  LPTSTR lpszName,
  INT cbName,
  LPTSTR lpszVer,
  INT cbVer
);

Parameters

wDriverIndex

Index of the capture driver. The index can range from 0 through 9.

Plug-and-Play capture drivers are enumerated first, followed by capture drivers listed in the registry, which are then followed by capture drivers listed in SYSTEM.INI.

lpszName

Pointer to a buffer containing a null-terminated string corresponding to the capture driver name.

cbName

Length, in bytes, of the buffer pointed to by lpszName.

lpszVer

Pointer to a buffer containing a null-terminated string corresponding to the description of the capture driver.

cbVer

Length, in bytes, of the buffer pointed to by lpszVer.

Return value

Returns TRUE if successful or FALSE otherwise.

Remarks

If the information description is longer than its buffer, the description is truncated. The returned string is always null-terminated. If a buffer size is zero, its corresponding description is not copied.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Vfw.h

Library

Vfw32.lib

DLL

Avicap32.dll

Unicode and ANSI names

capGetDriverDescriptionW (Unicode) and capGetDriverDescriptionA (ANSI)

See also

Video Capture
Video Capture Functions

 

 

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