Last Updated: 23 Apr 2020 16:12 by ADMIN
Release R2 2020 (LIB 2020.1.423)
Created on: 07 Apr 2020 07:16
Category: UI for WinForms
Type: Bug Report
RadPanel: visual glitch when AutoSize=true and Dock=Top

Please run the attached sample project and refer to the attached gif file.


        private void RadForm1_Load(object sender, EventArgs e)
            this.Size = new Size(this.Width+1,this.Height);
            this.Size = new Size(this.Width - 1, this.Height);

Dess | Tech Support Engineer, Principal
Posted on: 22 Apr 2020 04:49

Hello, Mark,

The next official release R2 2020 is scheduled for the first part of May.

Meanwhile, feel free to use LIB 2020.1.423 where the fix was introduced. The following help article demonstrates how to get latest internal versions from your account: 

Dess | Tech Support Engineer, Sr.
Progress Telerik

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Posted on: 21 Apr 2020 15:28

Can you let us know when the new version will be out that fixes this issue with the RadPanel showing transparent at unexpected times?