C# 获取bin目录下的文件

string  dataDir = AppDomain.CurrentDomain.BaseDirectory;
string fullpath = dataDir + fileName;//获取bin目录下的文件

if  (dataDir.EndsWith( @"\bin\Debug\" )
       || dataDir.EndsWith( @"\bin\Release\" ))
 {
    dataDir = System.IO.Directory.GetParent(dataDir).Parent.Parent.FullName;
    AppDomain.CurrentDomain.SetData( "DataDirectory" , dataDir);
 }