WM_CAP_DRIVER_GET_VERSION message
The WM_CAP_DRIVER_GET_VERSION message returns the version information of the capture driver connected to a capture window. You can send this message explicitly or by using the capDriverGetVersion macro.
WM_CAP_DRIVER_GET_VERSION
wParam = (WPARAM) (wSize);
lParam = (LPARAM) (LPVOID) (LPSTR) (szVer);
Parameters
-
wSize
-
Size, in bytes, of the application-defined buffer referenced byszVer.
-
szVer
-
Pointer to an application-defined buffer used to return the version information 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 version information is a text string retrieved from the driver's resource area. Applications should allocate approximately 40 bytes for this string. If version information is not available, a NULL string is returned.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|