Windows 界面编程，提供炫酷窗口标题栏按钮-To add a normal window-based button on the caption bar is simply impossible. Those that appear as caption buttons are drawn on the caption bar with a look and feel of the normal buttons. Handling of WM_NCPAINT message is the main method to achieve that. Of course, other messages like mouse movement should also be handled to achieve real button look and feel.