OperandTypesDoNotMatchParameters() static private méthode

InvalidOperationException with message like "The operands for operator '{0}' do not match the parameters of method '{1}'."
static private OperandTypesDoNotMatchParameters ( object p0, object p1 ) : Exception
p0 object
p1 object
Résultat Exception
Error Class Documentation
Exemple #1
0
        private static Type ValidateConversion(CSharpExpressionType nodeType, Type inputType, LambdaExpression conversion)
        {
            var invoke = conversion.Type.GetMethod("Invoke");

            var invokeParameters = invoke.GetParametersCached();

            if (invokeParameters.Length != 1)
            {
                throw LinqError.IncorrectNumberOfMethodCallArguments(conversion);
            }

            if (!TypeUtils.AreEquivalent(invokeParameters[0].ParameterType, inputType))
            {
                throw LinqError.OperandTypesDoNotMatchParameters(nodeType, conversion.ToString());
            }

            return(invoke.ReturnType);
        }
Exemple #2
0
 //CONFORMING
 private static UnaryExpression GetMethodBasedCoercionOperator(ExpressionType unaryType, Expression operand, Type convertToType, MethodInfo method)
 {
     System.Diagnostics.Debug.Assert(method != null);
     ValidateOperator(method);
     ParameterInfo[] pms = method.GetParametersCached();
     if (pms.Length != 1)
     {
         throw Error.IncorrectNumberOfMethodCallArguments(method);
     }
     if (ParameterIsAssignable(pms[0], operand.Type) && method.ReturnType == convertToType)
     {
         return(new UnaryExpression(unaryType, operand, method.ReturnType, method));
     }
     // check for lifted call
     if ((TypeUtils.IsNullableType(operand.Type) || TypeUtils.IsNullableType(convertToType)) &&
         ParameterIsAssignable(pms[0], TypeUtils.GetNonNullableType(operand.Type)) &&
         method.ReturnType == TypeUtils.GetNonNullableType(convertToType))
     {
         return(new UnaryExpression(unaryType, operand, convertToType, method));
     }
     throw Error.OperandTypesDoNotMatchParameters(unaryType, method.Name);
 }