在按纽上播放avi文件.

本程序介绍一个从CButton派生的类CAniButton，用于播放AVI动画，

象一般的CButton按钮一样使用CAniButton（Style必须包含自绘制风格），

在OnInitDialog对话框中调用LoadAVI(AVI_ID),

其中，AVI_ID是在资源文件中的动画文件的标识。

按钮将改变大小，以匹配AVI动画。其中，第一帧将用作静态外观。-In the button to play avi files. This procedure, introduced a class from CButton derived CAniButton, used to play AVI animation, as usual, like to use CButton button CAniButton (Style must be included since the drawing style), in the OnInitDialog call the dialog box LoadAVI ( AVI_ID), which, AVI_ID in the resource file in the animation of the logo file. Button will change the size to match the AVI animation. Among them, the first frame will be used as a static appearance.