internal override bool TrySetValue(CodeContext /*!*/ context, object instance, PythonType owner, object value)
{
Assert.NotNull(context);
BoundEvent et = value as BoundEvent;
if (et == null || EventInfosDiffer(et))
{
BadEventChange bea = value as BadEventChange;
if (bea != null)
{
PythonType dt = bea.Owner as PythonType;
if (dt != null)
{
if (bea.Instance == null)
{
throw new MissingMemberException(String.Format("attribute '{1}' of '{0}' object is read-only", dt.Name, _tracker.Name));
}
else
{
throw new MissingMemberException(String.Format("'{0}' object has no attribute '{1}'", dt.Name, _tracker.Name));
}
}
}
throw ReadOnlyException(DynamicHelpers.GetPythonTypeFromType(Info.DeclaringType));
}
return(true);
}
internal override bool TryGetValue(CodeContext /*!*/ context, object instance, PythonType owner, out object value)
{
Assert.NotNull(context, owner);
value = new BoundEvent(this, instance, owner);
return(true);
}
private bool EventInfosDiffer(BoundEvent et) {
// if they're the same object they're the same...
if (et.Event.Info == this.Info) {
return false;
}
// otherwise compare based upon type & metadata token (they
// differ by ReflectedType)
if (et.Event.Info.DeclaringType != Info.DeclaringType ||
et.Event.Info.MetadataToken != Info.MetadataToken) {
return true;
}
return false;
}
private bool EventInfosDiffer(BoundEvent et)
{
// if they're the same object they're the same...
if (et.Event.Info == this.Info)
{
return(false);
}
// otherwise compare based upon type & metadata token (they
// differ by ReflectedType)
if (et.Event.Info.DeclaringType != Info.DeclaringType ||
et.Event.Info.MetadataToken != Info.MetadataToken)
{
return(true);
}
return(false);
}
internal override bool TryGetValue(CodeContext/*!*/ context, object instance, PythonType owner, out object value) {
Assert.NotNull(context, owner);
value = new BoundEvent(this, instance, owner);
return true;
}
