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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

Handling Reflected Messages 

Message reflection lets you handle messages for a control, such as WM_CTLCOLOR, WM_COMMAND, and WM_NOTIFY, within the control itself. This makes the control more self-contained and portable. The mechanism works with Windows common controls as well as with ActiveX controls (formerly called OLE controls).

Message reflection lets you reuse your CWnd-derived classes more readily. Message reflection works via CWnd::OnChildNotify, using special ON_XXX_REFLECT message map entries: for example, ON_CTLCOLOR_REFLECT and ON_CONTROL_REFLECT. Technical Note 62 explains message reflection in more detail.

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