xaml:
<UserControl x:Class="WpfApp1.Controls.GWEditControl.GWEditCotrol"
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:i="http://schemas.microsoft.com/xaml/behaviors"
xmlns:local="clr-namespace:WpfApp1.Controls.GWEditControl"
mc:Ignorable="d"
d:DesignHeight="450" d:DesignWidth="800">
<Grid>
<Button Content="{Binding UserDemo}">
<i:Interaction.Triggers>
<i:EventTrigger EventName="MouseDown">
<i:InvokeCommandAction Command="{Binding TestClickCommand}" />
</i:EventTrigger>
</i:Interaction.Triggers>
</Button>
</Grid>
</UserControl>
ViewModel类：
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
namespace WpfApp1.Controls.GWEditControl
{
public partial class GWEditControlViewModel:ObservableObject
{
/// <summary>
/// 用户备注
/// </summary>
[ObservableProperty]
private string? userDemo;
/// <summary>
/// 绑定的事件
/// </summary>
[RelayCommand]
private void TestClick()
{
MessageBox.Show("test");
}
}
}
窗口代码类（把界面和viewmodel关联起来）：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace WpfApp1.Controls.GWEditControl
{
/// <summary>
/// GWEditCotrol.xaml 的交互逻辑
/// </summary>
public partial class GWEditCotrol : UserControl
{
public GWEditCotrol()
{
InitializeComponent();
this.DataContext = new GWEditControlViewModel();
}
}
}