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01-MSMVP

ConverterとRuleの関係

WPFネタですよと。

Converterで受け取らない範囲を決めてDenependncyProperty.UnsetValueを戻すようなConverterBackを書いた場合

if ( 1<=i and i<=10 ){}else{return DenependncyProperty.UnsetValue;}

もしこんな場合には画面上(!ポイント!)は入力した値がそのまま残ります。コンバータでバックされないだけなのです。

ですので、こういう場合には適切にRuleの設定も行い何がいけないかを明示するようにしましょう。

投稿日時 : 2007年11月4日 19:06

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