The code you have sent is used in SpreadProcessing Freeze Panes
scenarios. However, when you are using RadSpreadsheet control and need to ensure correct UI updates you may take a look at these UI Freeze Panes documentation article
. In the concrete case, you may change the freeze panes cell with ButtonClick handler by using code similar to the one shown below:
sender, RoutedEventArgs e)
RadWorksheetEditor worksheetEditor =
I hope this helps.
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