2.Behavior and Logic->Custom Action and Sequence->右边面板CustomActions->Custom Action Wizard
->下一步->填写Action Name、Comment(可不填)->Type 选择Call a function in a standard dynamic-link library。(这里有多种选择,有JScript、VBScript等)->配置函数名、参数、返回值信息->Browse 选择.dll文件->下一步 直到确定。