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IVideoWindow::get_MessageDrain method

The get_MessageDrain method retrieves the window that receives mouse and keyboard messages from the video window, if any.

Syntax


HRESULT get_MessageDrain(
  [in]  OAHWND *Drain
);

Parameters

Drain [in]

Receives a handle to the window, as an OAHWND type. If no message drain was set, this parameter receives the value NULL.

Return value

Possible return values include the following:

Return codeDescription
E_POINTER

NULL pointer.

S_OK

Success.

VFW_E_NOT_CONNECTED

The video renderer filter is not connected.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Control.h (include Dshow.h)

Library

Strmiids.lib

See also

Error and Success Codes
IVideoWindow Interface
IVideoWindow::put_MessageDrain

 

 

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