VC 创建类似于气泡一样的不规则窗体，形态各异的不规则窗体，本窗体更像是一个提示框，无边框、无标题栏，精选学习源码，很好的参考资料。-VC to create similar to bubble like irregular form, irregular shape form, this form is more like a prompt box, no borders, no title bar, select learning source code, a good reference.