WM_CAP_SET_USER_DATA message
The WM_CAP_SET_USER_DATA message associates a LONG_PTR data value with a capture window. You can send this message explicitly or by using the capSetUserData macro.
WM_CAP_SET_USER_DATA
wParam = (WPARAM) 0;
lParam = (LPARAM)lUser;
Parameters
-
lUser
-
Data value to associate with a capture window.
Return Value
Returns TRUE if successful or FALSE if streaming capture is in progress.
Remarks
Typically this message is used to point to a block of data associated with a capture window.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|