MCIWNDM_GETLENGTH message
The MCIWNDM_GETLENGTH message retrieves the length of the content or file currently used by an MCI device. You can send this message explicitly or by using the MCIWndGetLength macro.
MCIWNDM_GETLENGTH
wParam = 0;
lParam = 0;
Return Value
Returns the length. The units for the length depend on the current time format.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|