public override bool TrySetIndex(SetIndexBinder binder, object[] indexes, object value)
{
if (indexes.Length == 1)
{
var memberName = indexes[0].ToString();
value = DynamicNode.Unwrap(value);
ReflectionHelpers.SetValue(this.value, memberName, value);
return(true);
}
return(base.TrySetIndex(binder, indexes, value));
}
public override bool TryInvoke(InvokeBinder binder, object[] args, out object result)
{
IExpando self = this.value;
object[] constructorArgs = new object[0];
if (args.Length > 0)
{
self = (IExpando)DynamicNode.Unwrap(args[0]);
constructorArgs = new object[args.Length - 1];
Array.ConstrainedCopy(args, 1, constructorArgs, 0, constructorArgs.Length);
}
result = ReflectionHelpers.Call(this.value, self, constructorArgs);
result = DynamicNode.Wrap(result);
return(true);
}
private static object Invoke(IExpando instance, string functionName, InvokeFlags flags, object[] args)
{
try
{
args = args.Select(arg => DynamicNode.Unwrap(arg)).ToArray();
switch (flags)
{
case InvokeFlags.DISPATCH_METHOD:
var method = instance.GetMethod(functionName, DefaultFlags);
return(method.Invoke(instance, args));
case InvokeFlags.DISPATCH_PROPERTYGET:
var getProp = instance.GetProperty(functionName, DefaultFlags);
return(getProp.GetValue(instance, null));
case InvokeFlags.DISPATCH_PROPERTYPUT:
case InvokeFlags.DISPATCH_PROPERTYPUTREF:
var setProp = instance.GetProperty(functionName, DefaultFlags);
if (setProp == null)
{
setProp = instance.AddProperty(functionName);
}
setProp.SetValue(instance, args[0], null);
return(null);
default:
throw new NotSupportedException();
}
}
catch (COMException comex)
{
switch ((uint)comex.ErrorCode)
{
// Unexpected script error. This will be handled by the IProcess.UnhandledException event
case 0x80020101:
return(null);
default:
throw;
}
}
}
