I have some question about working with RadScrollablePanel.
Sometimes the RadScrollablePanel does not correctly display the scrollbars. For example, I use RadLabel bounded by width of RadScrollablePanel (using the dynamically changeable MaximumSize property).
I noticed that the vertical scrollbar does not always appear if the height of RadLabel and height of RadScrollablePanel.DisplayRectangle differ by about 10 pixels (at 96 DPI and Segoe UI 8.25pt font). This is clearly seen in example 1.
If we change width of RadScrollablePanel by a few pixels, we will see a different picture. A vertical scrollbar will be displayed on the screen and everything will look like it’s supposed to be. Keep in mind that the height of the elements remains unchanged. This is seen in example 2.
But that's not all. If we change the RadForm size a little more again, then we will see that the vertical scrollbar disappeared from the screen again; however, it's marked as Visible = True and if we take the focus on RadScrollablePanel, we can scroll the content using mouse wheel for example. This is seen in example 3.
Example 1: https://c2n.me/3ZabLEg
Example 2: https://c2n.me/3Zaclrf
Example 3: https://c2n.me/3ZacJol
At first sight, this may seem like a minor bug. However, considering that RadForms (or another container) with a fixed size can be used, and the text itself can change dynamically during operation, this bug causes problems with displaying information for users.
What guidelines can you give to work with RadScrollablePanel to prevent this bug?
Below I attach project with example. Please change extension from JPG to ZIP.
I use Telerik 2018.3.1016.20 with .Net 3.5 on Win7