WM_QUERYOPEN Overview  Group

The WM_QUERYOPEN message is sent to an icon when the user requests that the window be restored to its previous size and position.

WM_QUERYOPEN 

 

Parameters

This message has no parameters.

Return Values

If the icon can be opened, an application that processes this message should return TRUE; otherwise, it should return FALSE to prevent the icon from being opened.

Default Action

The DefWindowProc function returns TRUE.

Remarks

While processing this message, the application should not perform any action that would cause an activation or focus change (for example, creating a dialog box).

See Also

DefWindowProc 

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