IAMVfwCompressDialogs::SendDriverMessage method (strmif.h)

The SendDriverMessage method sends a driver-specific message.


HRESULT SendDriverMessage(
  [in] int  uMsg,
  [in] long dw1,
  [in] long dw2


[in] uMsg

Message to send to the driver.

[in] dw1

Message data.

[in] dw2

Message data.

Return value

Return value varies depending on the implementation within each driver.


You should never need to use this method. This method can send any private message to the video compressor (codec). Behavior might be undetermined in response to arbitrary messages; use this method at your own risk.

This method calls the Video for Windows video compression manager (VCM) ICSendMessage function to send the message.


Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)
Library Strmiids.lib

See also

Error and Success Codes

IAMVfwCompressDialogs Interface