WM_QUERYOPEN

2.x

WM_QUERYOPEN

The WM_QUERYOPEN message is sent to a minimized window when the user requests that the window be restored to its preminimized size and position.

Parameters

This message has no parameters.

Return Value

An application that processes this message should return a nonzero value if the icon can be opened or zero to prevent the icon from opened.

Comments

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).

The DefWindowProc function returns nonzero when it processes this message.