回答編集履歴
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要件整理のうえ、修正
answer
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@@ -1,7 +1,7 @@
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こんにちは。
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-
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Textに色々な役割を持たせすぎてしまいますのでこれは好ましくありません。
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-
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UserControl自体を別で作成するか、レイアウトを切り替えるプロパティを別途用意しましょう。
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```XML
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<Window x:Class="MainWindow"
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@@ -9,22 +9,65 @@
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:local="clr-namespace:
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xmlns:local="clr-namespace:VisualBasic.Wpf.Samples"
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mc:Ignorable="d"
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Title="MainWindow" Height="
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Title="MainWindow" Height="300" Width="300">
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<StackPanel Orientation="Horizontal">
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<local:UserControl1 Text="Control1_A" LayoutType="Control1" />
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<local:UserControl1 Text="Control1_B" LayoutType="Control1" />
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<local:UserControl1 Text="Control2_A" LayoutType="Control2" />
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<local:UserControl1 Text="Control1_C" LayoutType="Control1" />
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</StackPanel>
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</Window>
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```
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```XML
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<UserControl x:Class="UserControl1"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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mc:Ignorable="d"
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x:Name="uc"
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d:DesignHeight="20" d:DesignWidth="50">
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<Grid>
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<ContentControl VerticalAlignment="Top" Width="100" Margin="10" VerticalContentAlignment="Center">
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<ContentControl.Style>
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-
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<Style TargetType="ContentControl">
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<Style.Triggers>
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<!--2つのコントロールを区別する方法 → LayouType依存関係プロパティで切り替える例-->
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<DataTrigger Binding="{Binding LayoutType, ElementName=uc}" Value="Control1">
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate>
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<Border Background="#FF00A0E9" Height="40">
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<TextBlock VerticalAlignment="Center" TextAlignment="Center"
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Text="{Binding Text, ElementName=uc}"/>
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</Border>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</DataTrigger>
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<DataTrigger Binding="{Binding LayoutType, ElementName=uc}" Value="Control2">
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate>
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<Border Background="#FFEE7642" Height="20">
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<TextBlock VerticalAlignment="Center"
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TextAlignment="Center"
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Text="{Binding Text, ElementName=uc}"/>
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</Border>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</DataTrigger>
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</Style.Triggers>
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</Style>
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</ContentControl.Style>
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</ContentControl>
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</Grid>
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</
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</UserControl>
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```
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-
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-
---
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-
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XAML上で値を指定したい場合などは依存関係プロパティをUserControlに用意して、それを子要素がバインドする方法があります。
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-
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-
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-
```VB
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```VB
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Public Class UserControl1
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Public Property Text() As String
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Get
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@@ -36,29 +79,15 @@
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End Property
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Public Shared ReadOnly TextProperty As DependencyProperty = DependencyProperty.Register("Text", GetType(String), GetType(UserControl1), New PropertyMetadata(String.Empty))
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Public Property LayoutType() As String
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Get
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Return CType(Me.GetValue(LayoutTypeProperty), String)
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End Get
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Set(ByVal value As String)
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Me.SetValue(LayoutTypeProperty, value)
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End Set
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End Property
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Public Shared ReadOnly LayoutTypeProperty As DependencyProperty = DependencyProperty.Register("LayoutType", GetType(String), GetType(UserControl1), New PropertyMetadata(String.Empty))
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End Class
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```
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-
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-
```XML
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-
<UserControl x:Class="UserControl1"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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-
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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-
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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-
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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-
x:Name="uc"
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-
mc:Ignorable="d"
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d:DesignHeight="300" d:DesignWidth="300">
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<Grid>
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-
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<!--2つのコントロールを区別する方法-->
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<StackPanel Orientation="Vertical">
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<TextBlock Height="10" TextAlignment="Center" FontSize="7" Text="{Binding Text, ElementName=uc}"/>
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</StackPanel>
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-
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<StackPanel Orientation="Vertical">
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<TextBlock Height="20" TextAlignment="Center" FontSize="10" Text="{Binding Text, ElementName=uc}"/>
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</StackPanel>
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-
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</Grid>
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</UserControl>
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```
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