Xaml和布局问题

本文关键字：问题 布局 Xaml | 更新日期: 2023-09-27 18:24:52

我正试图使用xaml构建一个屏幕，但它有点偏离了。我还不能上传图像，所以我包含了这个链接。

我的问题是txtWidth文本框在应该足够大到只能容纳3位数字的情况下会从屏幕上消失？有人有什么想法吗。

<Canvas Margin="0,0,-249.6,0">
    <ListView Canvas.Left="12" Canvas.Top="48" Height="183" Name="listView1"
            Width="453" 
            SelectionMode="Single">
        <ListView.View>
            <GridView>
                <GridViewColumn Header="Order" Width="100" 
                       DisplayMemberBinding="{Binding Path=CustomColumnsOrder}"></GridViewColumn>
                <GridViewColumn Header="Display Name" Width="290" 
                          DisplayMemberBinding="{Binding Path=CustomColumnsDisplayName}"></GridViewColumn>
                <GridViewColumn Header="Width" Width="50" 
                        DisplayMemberBinding="{Binding Path=CustomColumnsWidth}"></GridViewColumn>
            </GridView>
        </ListView.View>
    </ListView>
    <Button Name="moveUpButton" Canvas.Left="472.4" Click="MoveUp"  Canvas.Top="50" Content="Move Up" 
            Height="22" Width="74"  />
    <Button Name="moveDownButton" Canvas.Left="472.4" Click="MoveDown" Canvas.Top="80" Content="Move Down" 
            Height="22" Width="74"  />

    <Button Name="deleteButton" Canvas.Left="472.4" IsEnabled="{Binding ElementName=columnsList, Path=SelectedItems.Count}" Click="RemoveColumn"   Canvas.Top="110" Content="Delete" 
            Height="22" Width="74"  />
    <Button Name="addButton" Click="AddColumn" Canvas.Left="472.4" Canvas.Top="140" Content="Add Item" 
            Height="22" Width="74" />
    <Label Content="Name:" Canvas.Left="12" Canvas.Top="250" />
    <TextBox   Name="txtDsiplayName" Text="{Binding Path=CustomColumnsDisplayName, Mode=TwoWay}" Canvas.Left="12" Canvas.Top="280" Height="23"   
            Width="452"  >
    </TextBox>
    <Label Content="Width:"   Canvas.Left="470" Canvas.Top="250" />
    <TextBox  Name="txtWdith"  Text="50"  Canvas.Left="470"  Canvas.Top="280" Height="23"  
             />
</Canvas>

Xaml和布局问题

从使用Canvas布局更改为使用Grid布局，这里有一个非常好的教程。

网格布局示例如下所示：

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto" />
        <RowDefinition Height="Auto" />
        <RowDefinition Height="*" />
        <RowDefinition Height="28" />
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="Auto" />
        <ColumnDefinition Width="200" />
    </Grid.ColumnDefinitions>
    <Label Grid.Row="0"
           Grid.Column="0"
           Content="Name:"/>
    <Label Grid.Row="1"
           Grid.Column="0"
           Content="E-Mail:"/>
    <Label Grid.Row="2"
           Grid.Column="0"
           Content="Comment:"/>
    <TextBox Grid.Column="1"
             Grid.Row="0"
             Margin="3" />
    <TextBox Grid.Column="1"
             Grid.Row="1"
             Margin="3" />
    <TextBox Grid.Column="1"
             Grid.Row="2"
             Margin="3" />
    <Button Grid.Column="1"
            Grid.Row="3"
            HorizontalAlignment="Right" 
            MinWidth="80"
            Margin="3"
            Content="Send"  />
</Grid>
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