Last Updated: 05 Feb 2019 16:46 by Fabrice
Created on: 21 Dec 2018 15:16
Type: Bug Report
Issue with RighToLeft property in the RadCollapsiblePanel Control


We have an issue when using RightToLeft property of the RadCollapsiblePanel Control.

When the HeaderText ends with non-alphanumeric characters, on display, these characters are moved to the beginning of the title (possibly with a replacement of the closing characters in opening characters - such as the parenthesis).

I've attached a little sample of the issue.

Thanks for your help.




Fabrice MABIT

Posted on: 05 Feb 2019 16:46

Hello Dimitar,

Thank you for your reply. The solution with the HTML tag suits us.

Best regards.



Posted on: 05 Feb 2019 16:19


By default, Telerik Presentation Framework uses GDI+ to measure and render the text. The described behavior is observed by the rendering of GDI+ and we do not have control over this. To have a consistent rendering of the text in this case you can easily switch to GDI instead by setting the UseCompatibleTextRendering property to false for the respective control.



Dess | Tech Support Engineer, Sr.
Posted on: 24 Dec 2018 06:19
Hello, Fabrice,    

The provided sample files and screenshot are greatly appreciated. I confirm that the obtained behavior is not proper. That is why I have exposed this thread to the public feedback portal. You can track its progress, subscribe for status changes and add your comments on the following link - feedback item.

I have also updated your Telerik points.

Currently, the possible solution that I can suggest is to specify the header text using the HTML-like text formatting

this.radCollapsiblePanel1.HeaderText = "<html>Header RightToLeft (ending with non alpha chars ?!)";
this.radCollapsiblePanel1.RightToLeft = System.Windows.Forms.RightToLeft.Yes;

I hope this information helps. If you need any further assistance please don't hesitate to contact me. 

Happy holidays

Dess | Tech Support Engineer, Sr.
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