Hi All,

I want to add attributes (like Browsable(false)) dynamically while displaying in the grid. Scenario is that I have a custom class with some public properties. However, I dont want all of the public properties to be displayed in the UI. I also can't decorate the custom class properties with attributes as they are beyond my control. Is there a way out?

I tried using TypeDescriptor. However, it works only at the type level and not at the property level. I couldn't find any help on how to use it at property-level.

Any pointers will be highly appreciated.

Thanks in Advance
Pavan

Hi PavanKK,

As far as I know, we cannot add an attribute to a property of a component, it is because the type of the component is certain during runtime. We can use CodeDom to dynamically generate source code to create a dynamic type, but we still cannot modify the type of some existent instances during runtime.

From your descript, what you want is to filter some properties when the component is edited in PropertyGrid. We can create our own PropertyGrid to do that. We can override the SelectedObject property and bind a wrapper class instead of the component. In the wrapper class, we would filter the properties. This is a sample shows a custom PropertyGrid which supports properties filtering:
http://www.codeproject.com/KB/cs/FilteredPropertyGrid.aspx.

Best regards,

Aland Li

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Hi PavanKK,

Could you please let me know if my reply helps?

Regards,
Aland Li

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Hi Aland,

Apologies for a delayed response. I was on a short vacation. I will check this out and let you know.

Meanwhile, I was trying to explore the option of implementing ICustomTypeDescriptor and TypeDescriptionProvider. Though I'm not very clear at this point if it really is going to help me or not, I'm going to give it a try too. Pls let me know what you think of this.

The scenario that I have is: I have some entities which are being bound to a property grid. However, I can't use property grid specific attributes like browsable,categoryetc on them as I would reuse them and don't want to mix UI related stuff with my entities. However, while rendering on the property grid I would want these attributes to be applied (or rather I would say, I want some public properties from my entities browsable and some don't). Is this scenario achievable by overriding SelectedObject in the propertygrid?

Appreciate your help.

Regards,
Pavan

Hi PavanKK,

You said: I was trying to explore the option of implementing ICustomTypeDescriptor and TypeDescriptionProvider. Though I'm not very clear at this point if it really is going to help me or not, I'm going to give it a try too. Pls let me know what you think of this.

Based on my understanding, it would help, you can try. In fact, the custom PropertyGrid at the link I provided binds an object which implements ICustomDescriptor to filter the properties of the selected object.

You also said: Is this scenario achievable by overriding SelectedObject in the propertygrid?

Yes, the custom PropertyGrid use this method to hide some public properties. You can read the code of it to get the details.

Regards,
Aland Li

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Hi PavanKK,

This thread shows some ideas : http://social.msdn.microsoft.com/Forums/en-US/vsx/thread/1a155f2e-c6af-47ed-bc03-ea751c937045.

Regards,
Aland Li

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Hi,

We are changing the issue type to “General Discussion�because you have not followed up with the necessary information. If you have more time to look at the issue and provide more information, please feel free to change the issue type back to “Question�by opening the Options list at the top of the post window, and changing the type. If the issue is resolved, we will appreciate it if you can share the solution so that the answer can be found and used by other community members having similar questions.

Aland Li

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