WM_CAP_DRIVER_GET_NAME message

The WM_CAP_DRIVER_GET_NAME message returns the name of the capture driver connected to the capture window. You can send this message explicitly or by using the capDriverGetName macro.

WM_CAP_DRIVER_GET_NAME 
wParam = (WPARAM) (wSize); 
lParam = (LPARAM) (LPVOID) (LPSTR) (szName); 

Parameters

wSize

Size, in bytes, of the buffer referenced byszName.

szName

Pointer to an application-defined buffer used to return the device name as a null-terminated string.

Return Value

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

Remarks

The name is a text string retrieved from the driver's resource area. Applications should allocate approximately 80 bytes for this string. If the driver does not contain a name resource, the full path name of the driver listed in the registry or in the SYSTEM.INI file is returned.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Vfw.h

See also

Video Capture

Video Capture Messages