CDialogSK从MFC的CDialog继承而来，支持如下特征：

1、运行于win2000或者winxp平台上，可以使用任何透明色以透视对话框的区域。

2、运行于win2000或者winxp平台上，可以使得整个对话框透明。

3、使用位图背景。位图可以来自资源文件、bmp或者HBITMAP

4、设置背景类型：标题、中心、伸缩；设置对话框的大小适合位图的大小

5、可以点击对话框的任何部分允许/禁止移动对话框

此程序就是用该类实现了Dialog的外观的改变。-CDialogSK inherited from CDialog of MFC, supports the following features:

1, running on win2000 or winxp platform, you can use any transparent color to the area Perspective dialog box.

2, running on win2000 or winxp platform, you can make the dialog transparent.

3, using the bitmap background. Can come from the resource file bitmap, bmp or HBITMAP

4, set the background type: header, center, stretching　size of the dialog for setting the size of the bitmap

5, you can click on any part of the dialog box enable/disable move the dialog box

This procedure is to use the class to achieve a change in the appearance of Dialog.