How to align the dot correctly in the GroupDropArea while using the RTL mode in WinForms GridGroupingControl?
Right to Left
By using the RightToLeft mode in the WinForms GridGroupingControl, the GroupDropArea displays the text by aligning the dot at the start. Refer to the following screenshot. The languages like Hebrew and Arabic etc., types the text from right to left, and so the dot operator is present at the start itself.

Solution:
You can overcome this problem by setting the EnableRTLMark property to true. Refer to the following code example and screenshot.
C#
// Sets the EnableRTLMark to true.
this.gridGroupingControl1.GridGroupDropArea.EnableRTLMark = true;VB
'Sets the EnableRTLMark to true.
Me.gridGroupingControl1.GridGroupDropArea.EnableRTLMark = True The
screenshot below illustrates aligning the dot properly in the group drop area.

Samples: