wpf 实现用户控件 多个按钮命令
时间: 2023-08-12 10:42:44 浏览: 128
你可以通过在用户控件中定义多个按钮,并将每个按钮的命令属性绑定到不同的命令对象上来实现多个按钮命令的功能。以下是一个简单的示例:
1. 首先,在用户控件的 XAML 文件中定义多个按钮,并为每个按钮设置命令属性和命令参数属性:
```xml
<UserControl x:Class="MyUserControl">
<StackPanel>
<Button Content="Save" Command="{Binding SaveCommand}" CommandParameter="parameter1"/>
<Button Content="Cancel" Command="{Binding CancelCommand}" CommandParameter="parameter2"/>
<Button Content="Delete" Command="{Binding DeleteCommand}" CommandParameter="parameter3"/>
</StackPanel>
</UserControl>
```
2. 然后,在用户控件的代码文件中定义多个命令对象,并将它们绑定到对应的按钮上:
```csharp
public partial class MyUserControl : UserControl
{
public ICommand SaveCommand { get; set; }
public ICommand CancelCommand { get; set; }
public ICommand DeleteCommand { get; set; }
public MyUserControl()
{
InitializeComponent();
SaveCommand = new RelayCommand(Save);
CancelCommand = new RelayCommand(Cancel);
DeleteCommand = new RelayCommand(Delete);
DataContext = this;
}
private void Save(object parameter)
{
// Save command logic here
}
private void Cancel(object parameter)
{
// Cancel command logic here
}
private void Delete(object parameter)
{
// Delete command logic here
}
}
```
3. 最后,在使用用户控件的地方,将每个命令对象分别设置为对应的命令处理程序即可:
```xml
<Window x:Class="MyWindow">
<Grid>
<local:MyUserControl SaveCommand="{Binding SaveCommand}" CancelCommand="{Binding CancelCommand}" DeleteCommand="{Binding DeleteCommand}"/>
</Grid>
</Window>
```
这样,你就可以在用户控件中实现多个按钮命令的功能了。
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