自画按钮ActiveX控件，能截获鼠标离开消息，弥补VB中无法捕获鼠标离开实践的缺陷，完成鼠标离开控件时的一系列操作。 开发工具：VB6.0-Since the painting button ActiveX control, can be intercepted by the mouse to leave the news to make up for the VB can not capture the mouse to