public CaseModel Func_MB_KB_B()
 {
     return(new CaseModel()
     {
         NameSign = @"单位换算",
         ExeEvent = () => {
             long b = 1751335;
             Console.WriteLine("b : {0}", b);
             double kb = ImageHandler.B_KB(b);
             Console.WriteLine("kb : {0}KB", kb);
             double mb = ImageHandler.B_MB(b);
             Console.WriteLine("mb : {0}MB", mb);
             return true;
         },
     });
 }