https://bradleycarey.com/tags/win32-api/ Recent content in Win32 API on bradleycarey.com Hugo en Tue, 05 Dec 2023 14:05:41 -0500 https://bradleycarey.com/posts/2012-08-13-window-minimize-maximize-event-c-winforms/ Mon, 13 Aug 2012 09:58:34 -0400 https://bradleycarey.com/posts/2012-08-13-window-minimize-maximize-event-c-winforms/ <p>If you are working in C# winforms and need to respond to window minimize and maximize events, it seems that winforms does not provide native event handlers. Such a feat is still very much possible through hooking into the Windows API.</p> <p>The exact message you need to catch is <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/ms646360%28v=vs.85%29.aspx" class="external-link" target="_blank" rel="noopener">WM_SYSCOMMAND</a> and look for the SC_* messages:</p> <ul> <li>SC_CLOSE 0xF060</li> <li>SC_MAXIMIZE 0xF030</li> <li>SC_MINIMIZE 0xF020</li> <li>SC_RESTORE 0xF120</li> </ul> <p>There are indeed more messages. Check the above link for a full list. Now for some sample code:</p>