[WPF] TextBlock: set length of number with string format

Question

Hi,


I formatted a TextBlock with:


<TextBlock Text="{Binding Value, StringFormat='\{0,0\}%'}"/>
to display a number in the format 99.9%.


With this string format, the user can write 9999999999%, it's wrong!


The part integer should be max of  2 number.


Thanks.