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Windows Media Player 11 SDK IWMPNodeWindowedHost::OnWindowMessageFromRenderer (deprecated) 

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IWMPNodeWindowedHost::OnWindowMessageFromRenderer (deprecated)

This page documents a feature that may be unavailable in future versions of Windows Media Player and the Windows Media Player SDK.

The OnWindowMessageFromRenderer method sends Windows messages from the plug-in to Windows Media Player.

Syntax

Parameters

uMsg

[in]  The Windows message received.

wparam

[in]  Message-specific data.

lparam

[in]  Message-specific data.

plRet

[out]  Pointer to a long integer containing the return value.

pfHandled

[out]  Pointer to a Boolean, true indicating handled.

Return Values

The method returns an HRESULT.

Remarks

You must forward certain messages received by your plug-in window to Windows Media Player if they are not handled by your window code. For instance, keyboard messages and mouse messages might need to be handled by the Player or Internet Explorer. Do not forward messages received from Windows Media Player in IWMPWindowMessageSink::OnWindowMessage.

The following window messages must be forwarded:

  • WM_KEYDOWN
  • WM_KEYUP
  • WM_LBUTTONDBLCLK
  • WM_LBUTTONDOWN
  • WM_LBUTTONUP
  • WM_MBUTTONDBLCLK
  • WM_MBUTTONDOWN
  • WM_MBUTTONUP
  • WM_MOUSEACTIVATE
  • WM_MOUSEMOVE
  • WM_NCLBUTTONDBLCLK
  • WM_NCLBUTTONDOWN
  • WM_NCLBUTTONUP
  • WM_NCMBUTTONDBLCLK
  • WM_NCMBUTTONDOWN
  • WM_NCMBUTTONUP
  • WM_NCMOUSEMOVE
  • WM_NCRBUTTONDBLCLK
  • WM_NCRBUTTONDOWN
  • WM_NCRBUTTONUP
  • WM_RBUTTONDBLCLK
  • WM_RBUTTONDOWN
  • WM_RBUTTONUP

Requirements

Version: Windows Media Player 9 Series or later.

Header: Include wmprealestate.h.

Library: Use wmp.dll.

See Also

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