Thank you for writing.
In order to handle mouse and keyboard input while editing the grid, it is necessary to subscribe to the respective events of the initialized editor. The following help article demonstrates a sample
If you need to disable changing the editor's value with the mouse wheel, you can set the GridSpinEditorElement.EnableMouseWheel property to false after the editor is initialized:
sender, Telerik.WinControls.UI.GridViewCellEventArgs e)
GridSpinEditor editor = e.ActiveEditor
GridSpinEditorElement element = editor.EditorElement
As to the arrow keys, you can disable changing the value by setting the GridSpinEditorElement.InterceptArrowKeys
property to false
I hope this information helps. Should you have further questions I would be glad to help.
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Check out the Windows Forms project converter, which aids the conversion process from standard Windows Forms applications written in C# or VB to Telerik UI for WinForms.For more information check out this blog post
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