Hi Philipp Egger,
You can use the Mask "#9.2" and define your own Culture like so:
CultureInfo culture =
culture.NumberFormat.CurrencyNegativePattern = 11;
culture.NumberFormat.CurrencyPositivePattern = 2;
.maskInput.Culture = culture;
You need to create a new Culture every time you need to change it because the Culture property of the RadMaskedInputControls does not implement INotifyPropertyChanged interface.
You can also use the KeyDown event handler in order to specify a non-default behavior when using the "." and "," keys.
Please let us know if you need further assistance on this.
the Telerik team
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