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);
Returns TRUE if successful or FALSE if the capture window is not connected to a capture driver.
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.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in vfw.h.
Unicode: Defined as Unicode and ANSI messages.
Video Capture Overview, Video Capture Messages, capDriverGetName