[英]Migrating 'Handles' from VB.NET to C#
我正在將一些代碼從VB.NET遷移到C#(3.5)。
我找到的結構如下:
Public Event DataLoaded(ByVal sender As Object, ByVal e As EventArgs)
Protected Sub Mag_Button_Load_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Mag_Button_Load.Click
[..]
RaiseEvent DataLoaded(Me, EventArgs.Empty)
End Sub
[..]
'Other Class
Private Sub LoadData(ByVal sender As Object, ByVal e As System.EventArgs) Handles oData.DataLoaded
[..]
End Sub
將此類行為轉換為C#最直接的方法是什么?
我建議使用Telerik Code Converter作為開始。
C#沒有像VB.NET那樣通過“Handles”關鍵字輕松自動附加事件處理程序。
//EventHandler declaration
public event EventHandler DataLoaded;
protected void Mag_Button_Load_Click(object sender, EventArgs e)
{
//Raise Event
if (DataLoaded != null) {
DataLoaded(this, EventArgs.Empty);
}
}
此外,您需要將事件處理程序分配給對象,如下所示:
Button1.Click += Button1_Click;
protected void Button1_Click(object sender, EventArgs e)
{
//do something.
}
但是C#確實具有這樣做的簡潔能力:
Button1.Click += (sender, e)=>
{
//do something
}
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