通过

CBaseControlWindow::get_MessageDrain

  • 项目
 
Microsoft DirectShow 9.0

CBaseControlWindow::get_MessageDrain

The get_MessageDrain method retrieves the current message drain.

Syntax

  HRESULT get_MessageDrain(
    OAHWND *Drain
);

Parameters

Drain

Pointer to the current window receiving window messages.

Return Value

Returns an HRESULT value.

Remarks

Messages sent to the video renderer filter can be posted to another window. The window registered to receive these messages (using the CBaseControlWindow::get_MessageDrain member function) is the current message drain.

Requirements

**  Header:** Declared in Ctlutil.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also