質問編集履歴
3
エラー時のStyleが記載できていなかった
test
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test
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@@ -46,6 +46,46 @@
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46
46
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47
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48
48
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49
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App.xaml
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50
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51
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```xaml
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52
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53
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<Application.Resources>
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54
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55
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<Style x:Key="errorStyleLostFocus" TargetType="{x:Type TextBlock}" BasedOn="{StaticResource {x:Type FrameworkElement}}" >
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56
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57
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<Style.Triggers>
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58
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59
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<Trigger Property="Validation.HasError" Value="True">
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60
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61
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<Setter Property="Background" Value="Red"/>
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62
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63
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</Trigger>
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64
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65
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</Style.Triggers>
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66
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67
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</Style>
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68
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69
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<Style x:Key="errorStyleGotFocus" TargetType="{x:Type TextBox}" BasedOn="{StaticResource {x:Type FrameworkElement}}" >
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70
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71
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<Style.Triggers>
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72
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73
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<Trigger Property="Validation.HasError" Value="True">
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74
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75
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<Setter Property="Background" Value="Red"/>
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76
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77
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</Trigger>
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78
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79
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</Style.Triggers>
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80
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81
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</Style>
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82
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83
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</Application.Resources>
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84
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+
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85
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```
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86
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+
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87
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88
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49
89
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View
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50
90
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51
91
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```xaml
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2
タグを一つ削除
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File without changes
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test
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File without changes
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1
試したことに参考URLを追加
test
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File without changes
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test
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@@ -288,6 +288,12 @@
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288
288
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289
289
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290
290
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291
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+
2) ReactivePropertyを使ったエラーチェック
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292
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293
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+
https://teratail.com/questions/346500
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294
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295
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296
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291
297
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### 補足情報（FW/ツールのバージョンなど）
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292
298
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293
299
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VisualStudio2019
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