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WPF 通过Border来画边框

2024-08-29 07:59:48   220人阅读

   WPF有自己的表格控件DataGrid、ListBox等，如果只是简单的需求，可以通过Border控件来画边框。

    技术分享

 比如我们需要给上面的控件加上边框。

<Window x:Class="WpfApplication5.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:dxdo="http://schemas.devexpress.com/winfx/2008/xaml/docking" 
        xmlns:dxcore="http://schemas.devexpress.com/winfx/2008/xaml/core"
        xmlns:local="clr-namespace:WpfApplication5"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <ResourceDictionary>
            <local:ChangeValueToResult x:Key="changeValueToResult"></local:ChangeValueToResult>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="Style/test.xaml"/>
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="50*"/>
            <RowDefinition Height="60*"/>
            <RowDefinition Height="73*"/>
            <RowDefinition Height="46*"/>
            <RowDefinition Height="52*"/>
            <RowDefinition Height="39*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="91*"/>
            <ColumnDefinition Width="96*"/>
            <ColumnDefinition Width="105*"/>
            <ColumnDefinition Width="101*"/>
            <ColumnDefinition Width="124*"/>
        </Grid.ColumnDefinitions>
        <Border Grid.Row="0" Grid.Column="1" Grid.RowSpan="3" Grid.ColumnSpan="2" BorderBrush="Chocolate" BorderThickness="1"/>
        <Border Grid.Row="0" Grid.Column="1" Grid.RowSpan="3" Grid.ColumnSpan="1" BorderBrush="Chocolate" BorderThickness="0,0,1, 0"/>
        <Border Grid.Row="0" Grid.Column="1" Grid.RowSpan="1" Grid.ColumnSpan="2" BorderBrush="Chocolate" BorderThickness="0,0,0, 1"/>
        <Border Grid.Row="1" Grid.Column="1" Grid.RowSpan="1" Grid.ColumnSpan="2" BorderBrush="Chocolate" BorderThickness="0,0,0, 1"/>
        <Border Grid.Row="2" Grid.Column="1" Grid.RowSpan="1" Grid.ColumnSpan="2" BorderBrush="Chocolate" BorderThickness="0,0,0, 1"/>
        <TextBlock Grid.Row="0" Grid.Column="1" Text="第一行第二列"/>
        <TextBlock Grid.Row="1" Grid.Column="1" Text="第二行第二列"/>
        <TextBlock Grid.Row="2" Grid.Column="1" Text="第三行第二列"/>

        <TextBlock Grid.Row="0" Grid.Column="2" Text="第一行第三列"/>
        <TextBlock Grid.Row="1" Grid.Column="2" Text="第二行第三列"/>
        <TextBlock Grid.Row="2" Grid.Column="2" Text="第三行第三列"/>
    </Grid>
</Window>

这样我们就得到这样的效果：

技术分享

代码比较简单，主要想说明下Border的BorderThickness属性。

BorderThickness="1"，给BorderThickness只赋值一个值，这时候Border，上下左右边框的粗细都是1。
如果不想显示哪一边，就把那一边粗细设置为0.如BorderThickness="0,0,1, 0"，这时候左、上、下都不会显示，只有右边才会显示。

 

WPF 通过Border来画边框


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