public JSValue Invoke(JSContext ctx, JSValue this_obj, int argc, JSValue[] argv)
{
if (!_fieldInfo.IsPublic && !_type.privateAccess)
{
throw new InaccessibleMemberException(_fieldInfo.Name);
}
object self = null;
if (!_fieldInfo.IsStatic)
{
Values.js_get_cached_object(ctx, this_obj, out self);
if (!_type.CheckThis(self))
{
throw new ThisBoundException();
}
}
try
{
var op = Values.js_parse_event_op(ctx, argv[0]);
var delegateType = _fieldInfo.FieldType;
switch (op)
{
case Values.EVT_OP_ADD:
{
Delegate value;
if (!Values.js_get_delegate(ctx, argv[1], delegateType, out value))
{
throw new ParameterException(_type.type, _varName, delegateType, 1);
}
var fValue = (Delegate)_fieldInfo.GetValue(self);
_fieldInfo.SetValue(self, Delegate.Combine(fValue, value));
return(JSApi.JS_UNDEFINED);
}
case Values.EVT_OP_REMOVE:
{
Delegate value;
if (!Values.js_get_delegate(ctx, argv[1], delegateType, out value))
{
throw new ParameterException(_type.type, _varName, delegateType, 1);
}
var fValue = (Delegate)_fieldInfo.GetValue(self);
_fieldInfo.SetValue(self, Delegate.Remove(fValue, value));
return(JSApi.JS_UNDEFINED);
}
case Values.EVT_OP_SET:
{
Delegate value;
if (!Values.js_get_delegate(ctx, argv[1], delegateType, out value))
{
throw new ParameterException(_type.type, _varName, delegateType, 1);
}
_fieldInfo.SetValue(self, value);
return(JSApi.JS_UNDEFINED);
}
case Values.EVT_OP_GET:
{
var ret = (Delegate)_fieldInfo.GetValue(self);
return(Values.js_push_delegate(ctx, ret));
}
default: throw new JSException("invalid event op");
}
}
catch (Exception exception)
{
return(JSApi.ThrowException(ctx, exception));
}
}
