As you may already know, DevExpress Reports v21.2 allows you to customize the appearance of the Parameters panel for both the WinForms and WPF platform. If you are unfamiliar with our Parameters panel, please refer to the following help topic for more information: The Parameters Panel.
Our new Parameters panel customization API allows you to combine report parameters into expandable groups, place parameters side-by-side, add separators, and more....
Eugene Polevikov (DevExpress)
29 November 2021