WPF Grid动态显示或隐藏一列的一种方法
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                                WPF Grid动态显示或隐藏一列的一种方法
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                                項目中有一個需求,需要根據用戶的設置動態顯示一列,研究了一波后,發現,Grid并沒有這個功能,于是通過綁定寬度 的方法,實現的需求。。
思路:將需要隱藏的列寬度 綁定到一個屬性上,隱藏時就設置寬度為0
寫了個Demo,思路是一樣的,看看示例效果吧:
下面就粘上xaml和代碼嘍:
MainWindow.xaml:
<Window x:Class="wpfcore.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:wpfcore" xmlns:controls="http://metro.mahapps.com/winfx/xaml/controls"mc:Ignorable="d"Background="LightBlue"UseLayoutRounding="True"FontSize="20"Title="MainWindow" Width="600" Height="400"><Grid><Grid.RowDefinitions><RowDefinition Height="auto"/><RowDefinition Height="*"/></Grid.RowDefinitions><StackPanel Orientation="Horizontal"><Button Content="顯示Name列" Click="Button_Click"/><Button Content="顯示Age列" Click="Button_Click_1"/><Border Width="20"/><Button Content="隱藏Name列" Click="Button_Click_2"/><Button Content="隱藏Age列" Click="Button_Click_3"/></StackPanel><Grid Grid.Row="1" Margin="5"><Grid.ColumnDefinitions><ColumnDefinition Width="1*"/><ColumnDefinition Width="{Binding NameWidth}"/><ColumnDefinition Width="{Binding AgeWidth}"/><ColumnDefinition Width="1*"/></Grid.ColumnDefinitions><Grid.RowDefinitions><RowDefinition Height="auto"/><RowDefinition Height="auto"/><RowDefinition Height="auto"/><RowDefinition Height="auto"/><RowDefinition Height="auto"/></Grid.RowDefinitions><TextBlock Text="編號" Grid.Row="0" Grid.Column="0"/><TextBlock Text="姓名" Grid.Row="0" Grid.Column="1"/><TextBlock Text="年齡" Grid.Row="0" Grid.Column="2"/><TextBlock Text="愛好" Grid.Row="0" Grid.Column="3"/><TextBlock Text="1" Grid.Row="1" Grid.Column="0"/><TextBlock Text="張三" Grid.Row="1" Grid.Column="1"/><TextBlock Text="18" Grid.Row="1" Grid.Column="2"/><TextBlock Text="玩游戲" Grid.Row="1" Grid.Column="3"/><TextBlock Text="2" Grid.Row="2" Grid.Column="0"/><TextBlock Text="張三" Grid.Row="2" Grid.Column="1"/><TextBlock Text="18" Grid.Row="2" Grid.Column="2"/><TextBlock Text="玩游戲" Grid.Row="2" Grid.Column="3"/><TextBlock Text="3" Grid.Row="3" Grid.Column="0"/><TextBlock Text="張三" Grid.Row="3" Grid.Column="1"/><TextBlock Text="18" Grid.Row="3" Grid.Column="2"/><TextBlock Text="玩游戲" Grid.Row="3" Grid.Column="3"/><TextBlock Text="3" Grid.Row="4" Grid.Column="0"/><TextBlock Text="張三" Grid.Row="4" Grid.Column="1"/><TextBlock Text="18" Grid.Row="4" Grid.Column="2"/><TextBlock Text="玩游戲" Grid.Row="4" Grid.Column="3"/></Grid></Grid> </Window>MainWindow.cs:
using System.Windows; using System.Windows.Media;namespace wpfcore {public partial class MainWindow : Window{public MainWindow(){InitializeComponent();DataContext = this;}public GridLength NameWidth{get { return (GridLength)GetValue(NameWidthProperty); }set { SetValue(NameWidthProperty, value); }}public static readonly DependencyProperty NameWidthProperty =DependencyProperty.Register("NameWidth", typeof(GridLength), typeof(MainWindow), new PropertyMetadata(new GridLength(1,GridUnitType.Star)));public GridLength AgeWidth{get { return (GridLength)GetValue(AgeWidthProperty); }set { SetValue(AgeWidthProperty, value); }}public static readonly DependencyProperty AgeWidthProperty =DependencyProperty.Register("AgeWidth", typeof(GridLength), typeof(MainWindow), new PropertyMetadata(new GridLength(1, GridUnitType.Star)));private void Button_Click(object sender, RoutedEventArgs e){NameWidth = new GridLength(1, GridUnitType.Star);}private void Button_Click_1(object sender, RoutedEventArgs e){AgeWidth = new GridLength(1, GridUnitType.Star);}private void Button_Click_2(object sender, RoutedEventArgs e){NameWidth = new GridLength(0, GridUnitType.Star);}private void Button_Click_3(object sender, RoutedEventArgs e){AgeWidth = new GridLength(0, GridUnitType.Star);}} }ok.完成嘍
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