"private System.Boolean _IsGlobal" 与 "private bool _IsGlobal"有没有区别?
"private System.Boolean _IsGlobal " 与 "private bool _IsGlobal "有没有区别?

[解决办法]
private System.Boolean _IsGlobal
private bool _IsGlobal

没有区别

只不过System.Boolean 是.NET类库里的类型,而bool是C#的关键字,说的直白一点就是.NET类库中的System.Boolean到了C#就叫bool(方言)