Allow only hex numbers c# WP8.1 -


im trying block number dont hex number, using virtualkey , codes

 private void txthexsoma1_keydown(object sender, keyroutedeventargs e)     {          if (e.key == (virtualkey)(65) ||             e.key == (virtualkey)(66) ||             e.key == (virtualkey)(67) ||             e.key == (virtualkey)(68) ||             e.key == (virtualkey)(69) ||             e.key == (virtualkey)(70) ||             e.key == (virtualkey)(48) ||             e.key == (virtualkey)(49) ||             e.key == (virtualkey)(50) ||             e.key == (virtualkey)(51) ||             e.key == (virtualkey)(52) ||             e.key == (virtualkey)(53) ||             e.key == (virtualkey)(54) ||             e.key == (virtualkey)(55) ||             e.key == (virtualkey)(56) ||             e.key == (virtualkey)(57) ||             e.key == (virtualkey)(20) ||             e.key == (virtualkey)(8)  ||             e.key == (virtualkey)(46))         {             e.handled = false;         }         else         {             e.handled = true;         }

but have problems, example: if first lyric uppercase happen nothing, , others characters : (, ), #, ! , many others accepets

how fixed ?


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