1 设置对话框透明

在设置控件颜色中要使用

nCtlColor

Contains one of the following values, specifying the type of control:

• CTLCOLOR_BTN   Button control

• CTLCOLOR_DLG   Dialog box

• CTLCOLOR_EDIT   Edit control

• CTLCOLOR_LISTBOX   List-box control

• CTLCOLOR_MSGBOX   Message box

• CTLCOLOR_SCROLLBAR   Scroll-bar control

• CTLCOLOR_STATIC   Static control