参考了网上的一般显示不规则窗口的方法，认为使用api进行抠象，太负责，速度慢，存在bug，本工程例子，利用了bcb的属性，简单快速实现了不规则窗口的显示。-reference to the Internet generally irregular window, that the use of api for telling the elephant, too responsible, slow, bug existed, the project examples, moreover use of the property and a quick realization of the irregular window display.