自定义控件 因为没有办法对界面可视化编辑 所以用来很少
现在实现的是 自定义控件的 自定义属性 和自定义方法
用VS 创建自定义控件后 会自动创建 Themes 文件夹和 Generic.xaml 还有自定义的类 这边是SeachControl
Gneneric
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<Style TargetType=
"{x:Type local:SeachControl}">
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<Setter Property=
"Template">
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<Setter.Value>
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<ControlTemplate TargetType=
"{x:Type local:SeachControl}">
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<Grid>
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<StackPanel Orientation=
"Horizontal" >
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<TextBox Width=
"100" Height=
"20" Margin=
"0,0,5,0" Text=
"{Binding SearchText, RelativeSource={RelativeSource Mode=TemplatedParent},Mode=TwoWay}" Background=
"{TemplateBinding Background}"></TextBox>
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<Button x:Name=
"button" Content=
"Select" Width=
"50" Height=
"20" ></Button>
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</StackPanel>
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</Grid>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
自定义控件类
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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namespace
WpfApplication24
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{
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/// <summary>
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/// 按照步骤 1a 或 1b 操作,然后执行步骤 2 以在 XAML 文件中使用此自定义控件。
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///
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/// 步骤 1a) 在当前项目中存在的 XAML 文件中使用该自定义控件。
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/// 将此 XmlNamespace 特性添加到要使用该特性的标记文件的根
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/// 元素中:
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///
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/// xmlns:MyNamespace="clr-namespace:WpfApplication24"
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///
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///
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/// 步骤 1b) 在其他项目中存在的 XAML 文件中使用该自定义控件。
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/// 将此 XmlNamespace 特性添加到要使用该特性的标记文件的根
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/// 元素中:
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///
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/// xmlns:MyNamespace="clr-namespace:WpfApplication24;assembly=WpfApplication24"
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///
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/// 您还需要添加一个从 XAML 文件所在的项目到此项目的项目引用,
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/// 并重新生成以避免编译错误:
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///
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/// 在解决方案资源管理器中右击目标项目,然后依次单击
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/// “添加引用”->“项目”->[浏览查找并选择此项目]
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///
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///
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/// 步骤 2)
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/// 继续操作并在 XAML 文件中使用控件。
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///
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/// <MyNamespace:SeachControl/>
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///
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/// </summary>
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public
class
SeachControl :
Control
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{
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static SeachControl()
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{
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DefaultStyleKeyProperty.OverrideMetadata(
typeof(SeachControl),
new FrameworkPropertyMetadata(
typeof(SeachControl)));
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}
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public
string SearchText
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{
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get {
return (
string)GetValue(SearchTextProperty); }
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set { SetValue(SearchTextProperty,
value); }
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}
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// Using a DependencyProperty as the backing store for SearchText. This enables animation, styling, binding, etc...
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public
static
readonly DependencyProperty SearchTextProperty =
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DependencyProperty.Register(
"SearchText",
typeof(
string),
typeof(SeachControl),
new PropertyMetadata(
""));
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public delegate void OnSeachClick(object ob, SearchEventArgs args);
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public
event OnSeachClick SeachButtenClick;
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public override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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var button = GetTemplateChild(
"button");
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if (button
is Button)
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{
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(button
as Button).Click += SeachControl_Click;
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}
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}
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void SeachControl_Click(object sender, RoutedEventArgs e)
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{
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if (SeachButtenClick !=
null)
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{
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SeachButtenClick.Invoke(
this,
new SearchEventArgs() { SreachItem = SearchText });
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}
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}
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}
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}
创建参数类
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public
class
SearchEventArgs:
EventArgs
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{
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public
string SreachItem {
get;
set; }
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}
main 引用 这里可以看到自定义的事件
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<Window x:Class=
"WpfApplication24.MainWindow"
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xmlns=
"http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x=
"http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:MyNamespace=
"clr-namespace:WpfApplication24"
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Title=
"MainWindow" Height=
"350" Width=
"525">
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<Window.Resources>
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</Window.Resources>
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<Grid>
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<MyNamespace:SeachControl HorizontalAlignment=
"Center" SearchText=
"嗯嗯" VerticalAlignment=
"Center" Background=
"#FFCBCBCB" SeachButtenClick=
"SeachControl_SeachButtenClick" />
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</Grid>
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</Window>
Main的内容类
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private void SeachControl_SeachButtenClick(object ob, SearchEventArgs args)
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{
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MessageBox.Show(
"HI "+ args.SreachItem);
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}