PropertyChanged and .Net 1.1

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Cartoper - 27 Mar 2008 14:25 GMT

I work in an bit of a crazy enviornment. Some projects are done
in .Net 3.5, but others have to be done in .Net 1.1. Well, I am
working on a .Net 1.1 project and need to implement the
PropertyChanged event. In the .Net 3.5 world I am accustom to
implementing the INotifyPropertyChanged, is there such an interface
in .Net 1.1 or do you simply implement a PropertyChanged event in your
class and the container simply has to use reflection to determine if
the class implements a PropertyChanged event?

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Ignacio Machin ( .NET/ C# MVP ) - 27 Mar 2008 15:46 GMT

> I work in an bit of a crazy enviornment. Some projects are done
> in .Net 3.5, but others have to be done in .Net 1.1. Well, I am
[quoted text clipped - 4 lines]
> class and the container simply has to use reflection to determine if
> the class implements a PropertyChanged event?

Hi,

You should check the help, I would say that there exist a
INotifyPropertyChanged in 1.1 or something similar otherwise.
At the end, a control should be informed when a property was changed
during design mode right?

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Cartoper - 27 Mar 2008 15:48 GMT

On Mar 27, 10:46 am, "Ignacio Machin ( .NET/ C# MVP )"
<ignacio.mac...@gmail.com> wrote:

> You should check the help, I would say that there exist a
> INotifyPropertyChanged in 1.1 or something similar otherwise.
> At the end, a control should be informed when a property was changed
> during design mode right?

I did check and I did not see a INotifyPropertyChanged interface. I
recall reading long ago that INotifyPropertyChanged was new in .Net
2.0.

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Ignacio Machin ( .NET/ C# MVP ) - 27 Mar 2008 18:51 GMT

> On Mar 27, 10:46 am, "Ignacio Machin ( .NET/ C# MVP )"
>
[quoted text clipped - 7 lines]
> recall reading long ago that INotifyPropertyChanged was new in .Net
> 2.0.

Hi,

You are correct, it's new in 2.0
I still think there should be something similar in 1.1

In the worst case scenario you do not need to use reflection, just
declare your own interface and use a casting:

IMyNotifyPropertyChanged obj = myControl as IMyNotifyPropertyChanged;
if ( obj != null )
{
//it does implement it
}

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PropertyChanged and .Net 1.1

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