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Visual Studio / WPF > コントロール > GroupBox / RadioButton > Margin設定に留意する

Last updated at Posted at 2017-04-26
動作環境
Windows 7 Pro (32bit)
Microsoft Visual Studio 2017 Community
Sublime Text 2

@ WPF 4.5入門 by 大田一希さん
No.4418 / 9985

RadioButtonコントロールは、複数の選択肢の中から1つをユーザに選択してもらうときに使うコントロールです。

試してみた。
GroupBox2つをうまくレイアウトできるかも試した。

XAML
<Window x:Class="_170426_t0930_radioButton.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:_170426_t0930_radioButton"
        mc:Ignorable="d"
        Title="MainWindow" Height="400" Width="525">
    <Grid RenderTransformOrigin="0.5,0.205">
        <Grid.RowDefinitions>
            <RowDefinition Height="238"/>
            <RowDefinition Height="162"/>
        </Grid.RowDefinitions>
        <GroupBox Header="Group1" Grid.Row="0" Margin="10,10,307,141">
            <StackPanel>
                <RadioButton Content="TV1" Checked="RadioButton_Checked"/>
                <RadioButton Content="Refrigerator1" Checked="RadioButton_Checked"/>
                <RadioButton Content="WashingMachine1" Checked="RadioButton_Checked"/>
            </StackPanel>
        </GroupBox>
        <GroupBox Header="Group2" Grid.Row="1" Margin="10,10,307,2">
            <StackPanel>
                <RadioButton Content="smartphone" Checked="RadioButton_Checked"/>
                <RadioButton Content="VR" Checked="RadioButton_Checked"/>
                <RadioButton Content="??" Checked="RadioButton_Checked"/>
            </StackPanel>
        </GroupBox>
    </Grid>
</Window>

work.png

上のGroupBox用のRowDefinitionのHeightをGroupBox程度のHeightにあわせると、上のGroupBoxの表示が消えた。

GroupBoxの下側のMargin設定が大きすぎたのだ問題のようだ。

以下のように修正した。
(Group1の下側のMarginを141から20に変更)

XAML
<Window x:Class="_170426_t0930_radioButton.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:_170426_t0930_radioButton"
        mc:Ignorable="d"
        Title="MainWindow" Height="400" Width="525">
    <Grid RenderTransformOrigin="0.5,0.205">
        <Grid.RowDefinitions>
            <RowDefinition Height="120"/>
            <RowDefinition Height="162"/>
        </Grid.RowDefinitions>
        <GroupBox Header="Group1" Grid.Row="0" Margin="10,10,307,20">
            <StackPanel>
                <RadioButton Content="TV1" Checked="RadioButton_Checked"/>
                <RadioButton Content="Refrigerator1" Checked="RadioButton_Checked"/>
                <RadioButton Content="WashingMachine1" Checked="RadioButton_Checked"/>
            </StackPanel>
        </GroupBox>
        <GroupBox Header="Group2" Grid.Row="1" Margin="10,10,307,2">
            <StackPanel>
                <RadioButton Content="smartphone" Checked="RadioButton_Checked"/>
                <RadioButton Content="VR" Checked="RadioButton_Checked"/>
                <RadioButton Content="??" Checked="RadioButton_Checked"/>
            </StackPanel>
        </GroupBox>
    </Grid>
</Window>

work.png

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