C# (CSharp) Operand2.Contains示例

示例#1

 private EquationParts GetEquationPartToBeCorrected()
 {
     if (Operand1.Contains('?'))
     {
         return(EquationParts.Operand1);
     }
     if (Operand2.Contains('?'))
     {
         return(EquationParts.Operand2);
     }
     if (Result.Contains('?'))
     {
         return(EquationParts.Result);
     }
     else
     {
         return(EquationParts.Invalid);
     }
 }