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Ching-Yen
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Ching-Yen asked on 09 Mar 2008, 02:55 AM
Hi,

I would like to have something like AJAX loading in my win application. Which means that, during the loading time, it will show some gif running sitting on top of a semi transparent panel (to avoid user continue using the application).

May I know izzit possible to do that with Telerik control?

Please advice.

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Kiril
Telerik team
answered on 10 Mar 2008, 08:57 AM
Hello Ching-Yen,

Thank you for sharing this feature idea with us. 

Could you please be more specific - within which control do you see a need for such a feature?

All the best,
Kiril
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Ching-Yen
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answered on 10 Mar 2008, 09:22 AM
I guess radPanel would be the one.. :D

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Kiril
Telerik team
answered on 10 Mar 2008, 09:39 AM
Hello Ching-Yen,

Generally, this behavior is not supported in winforms, as there is no separation between a client and server tier of an application, which is the usual scenario where AJAX loading is used in the context of a web application.

Could you please describe your scenario in greater detail. This will allow us to provide more accurate advice on how to implement it.

Kind regards,
Kiril
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Ching-Yen
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answered on 10 Mar 2008, 11:51 AM
Hi,

Basically what I want is just that while there are some job running, I do not want the user to interfere the application (via mouse click or keyboard).

I was trying frmMain.Enabled = true and false

But, when, the frmMain.Enabled = false, it will show the form like "grayed out" then, few blinks and back to normal.

My alternate plan is having a transparent control, and add that control to the form as need to cover the entire form, and dispose that control after the loading.
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Nikolay
Telerik team
answered on 13 Mar 2008, 08:59 AM
Hi Ching-Yen,

Thank you for writing.

You are able to achieve disabled controls with a normal look as if they are not diabled. You have to set the UseDefaultDisablePaint property of the controls' RootRadElement and of its subelements to false.

You should use a recursive algorithm to access them and modify the value of this property. I have attached a sample project that demonstrates the use of this algorithm. The BrowseControls() method browses all the controls on the Form and the BrowseElements() method browses the subelements of the RadControls' RootRadElement.

I hope this helps. If you have additional questions, do not hesitate to contact us.

All the best,
Nikolay
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Kiril
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Ching-Yen
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Nikolay
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