Hi Erik,
I tried to reproduce the problem with the SplitBarSize property but to no avail. Could you please open a support ticket and provide a simple runnable project reproducing the issue so we can investigate it further?
Regarding the mouse cursor, you can change the cursor when hovering SplitBar using the following CSS:
Please note the
noResize CSS class, which is applied to the splitbar with the CssClass property to separate it from normal splitbars.
Regarding the functionality to apply borders on a single pane, this is not supported by RadSplitter out of the box and there is no convenient approach to achieve it. To be able to provide further assistance on this case I will need to examine the layout and the RadSplitters' configuration. Could you please provide a simple page demonstrating the required layout?
All the best,
Dobromir
the Telerik team
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