C# 像C在构造函数中那样在VB.Net中添加EventHandler?
我有一个C语言的代码片段,我想把它转换成VB.NetC# 像C在构造函数中那样在VB.Net中添加EventHandler?,c#,vb.net,C#,Vb.net,我有一个C语言的代码片段,我想把它转换成VB.Net public class ModuleAViewOne : UserControl { public ModuleAViewOne(ModuleAViewOneViewModel model) { InitializeComponent(); this.Loaded += (s, e) => { this.DataContext = model;
public class ModuleAViewOne : UserControl
{
public ModuleAViewOne(ModuleAViewOneViewModel model)
{
InitializeComponent();
this.Loaded += (s, e) =>
{
this.DataContext = model;
}
}
}
我用这种方式把它转换成VB.Net
Partial Public Class ModuleAViewOne
Inherits UserControl
Public Sub New(ByVal model As ModuleAViewOneViewModel)
InitializeComponent()
Me.model = model
AddHandler Loaded, AddressOf _Loaded
End Sub
Dim model As ModuleAViewOneViewModel
Private Sub _Loaded(ByVal s As Object, ByVal e As RoutedEventArgs)
DataContext = model
End Sub
End Class
但事件是否可以写入构造函数中,这样我就不必创建新的全局模型变量了?您只需使用lambda表达式即可
Public Sub New(model As ModuleAViewOneViewModel)
InitializeComponent()
AddHandler Loaded, Sub(s, e) DataContext = model
End Sub
或者,由于Visual Studio 2010附带了VB 10.0,因此可以使用多行lambda:
Public Sub New(model As ModuleAViewOneViewModel)
InitializeComponent()
AddHandler Loaded, Sub(s, e)
DataContext = model
End Sub
End Sub
这些只是lambda的表达:@Nick:我知道,但我的问题不是那样。@NikhilAgrawal如果不是那样怎么办?从VB2010开始,您可以使用lambdas语句,因此请编写一个语句,而不是AddressOf位。