最近在學習WPF,發現很多優秀的用戶界面都有用到用戶控件,學習一下簡單的使用方法。用戶控件就像一件出租房,自己裝修,出租給用戶讓用戶自己隨意使用,但是需要簽訂租房合同來維護各自的權益。
1、創建一個簡單的用戶控件包含一個Textbox和一個Button。
<UserControl x:Class="Test.UserControl1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:Test"
mc:Ignorable="d"
d:DesignHeight="100" d:DesignWidth="200">
<Grid Margin="0,0,0,0">
<TextBox x:Name="textBox" HorizontalAlignment="Left" Height="23" Margin="10,10,10,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="198" />
<Button x:Name="button" Content="Button" HorizontalAlignment="Left" Margin="10,46,0,0" VerticalAlignment="Top" Width="75" Click="button_Click"/>
</Grid>
</UserControl>
2、公佈Button的Click事件,讓用戶可以在按鈕事件裏做自己想做的事。
<pre name="code" class="csharp">public partial class UserControl1 : UserControl
{
public event RoutedEventHandler ClickButton;
public UserControl1()
{
InitializeComponent();
}
public void button_Click(object sender, RoutedEventArgs e)
{
if (ClickButton != null)
ClickButton(sender, e);
}
}
3、使用用戶控件。
<pre name="code" class="html"><Window x:Class="test.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:test"
xmlns:WinFormHost="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration"
xmlns:WinFormControls="clr-namespace:Emgu.CV.UI;assembly=Emgu.CV.UI"
mc:Ignorable="d"
Title="test" Height="600" Width="800">
<Grid ShowGridLines="True" Margin="0,10,0,0" x:Name="gridForm">
<local:UserControl1 x:Name="uc1" />
</Grid>
</Window>
public MainWindow()
{
InitializeComponent();
uc1.ClickButton += new RoutedEventHandler(uc_ClickButton);
}
private void uc_ClickButton(object sender, RoutedEventArgs e)
{
MessageBox.Show(uc1.textBox.Text);
}
4、很簡單淺顯的例子,供自己複習參考用。