| static private TypeMustBeDerivedFromSystemDelegate ( ) : Exception | ||
| Résultat | Exception | |
/// <summary>
/// Creates a <see cref="DynamicExpression" /> that represents a dynamic operation bound by the provided <see cref="CallSiteBinder" />.
/// </summary>
/// <param name="delegateType">The type of the delegate used by the <see cref="CallSite" />.</param>
/// <param name="binder">The runtime binder for the dynamic operation.</param>
/// <param name="arguments">The arguments to the dynamic operation.</param>
/// <returns>
/// A <see cref="DynamicExpression" /> that has <see cref="NodeType" /> equal to
/// <see cref="ExpressionType.Dynamic">Dynamic</see> and has the
/// <see cref="DynamicExpression.DelegateType">DelegateType</see>,
/// <see cref="DynamicExpression.Binder">Binder</see>, and
/// <see cref="DynamicExpression.Arguments">Arguments</see> set to the specified values.
/// </returns>
public static DynamicExpression MakeDynamic(Type delegateType, CallSiteBinder binder, IEnumerable <Expression> arguments)
{
ContractUtils.RequiresNotNull(delegateType, nameof(delegateType));
ContractUtils.RequiresNotNull(binder, nameof(binder));
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate)))
{
throw Error.TypeMustBeDerivedFromSystemDelegate();
}
var method = GetValidMethodForDynamic(delegateType);
var args = arguments.ToReadOnly();
ValidateArgumentTypes(method, ExpressionType.Dynamic, ref args, nameof(delegateType));
return(DynamicExpression.Make(method.GetReturnType(), delegateType, binder, args));
}
/// <summary>
/// Creates a <see cref="DynamicExpression" /> that represents a dynamic operation bound by the provided <see cref="CallSiteBinder" /> and one argument.
/// </summary>
/// <param name="delegateType">The type of the delegate used by the <see cref="CallSite" />.</param>
/// <param name="binder">The runtime binder for the dynamic operation.</param>
/// <param name="arg0">The argument to the dynamic operation.</param>
/// <returns>
/// A <see cref="DynamicExpression" /> that has <see cref="NodeType" /> equal to
/// <see cref="ExpressionType.Dynamic">Dynamic</see> and has the
/// <see cref="DynamicExpression.DelegateType">DelegateType</see>,
/// <see cref="DynamicExpression.Binder">Binder</see>, and
/// <see cref="DynamicExpression.Arguments">Arguments</see> set to the specified values.
/// </returns>
public static DynamicExpression MakeDynamic(Type delegateType, CallSiteBinder binder, Expression arg0)
{
ContractUtils.RequiresNotNull(delegateType, nameof(delegateType));
ContractUtils.RequiresNotNull(binder, nameof(binder));
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate)))
{
throw Error.TypeMustBeDerivedFromSystemDelegate();
}
var method = GetValidMethodForDynamic(delegateType);
var parameters = method.GetParametersCached();
ValidateArgumentCount(method, ExpressionType.Dynamic, 2, parameters);
ValidateDynamicArgument(arg0, nameof(arg0));
ValidateOneArgument(method, ExpressionType.Dynamic, arg0, parameters[1], nameof(delegateType), nameof(arg0));
return(DynamicExpression.Make(method.GetReturnType(), delegateType, binder, arg0));
}
