Checks whether an Audio-Video Interleaved (AVI) clip is playing. You can send this message explicitly or use the Animate_IsPlaying macro.

Syntax

To send this message, call the SendMessage function as follows.

lResult = SendMessage(    // returns LRESULT in lResult
   hWndControl,           // (HWND) handle to destination control
   ACM_ISPLAYING,         // (UINT) message ID
   wParam,                // = 0; not used, must be zero 
   lParam                 // = 0L; not used, must be zero
);

Parameters

wParam

Must be zero.

lParam

Must be zero.

Return Value

Returns nonzero if successful, or zero otherwise.

Message Information

Header	commctrl.h
Minimum operating systems	Windows Vista