我有一个从Panel继承的类,下面是这个类中的一些成员Public Quantity As Integer当Quantity或DiscountAmount更改然后运行函数时,我如何创建一个事件?我试着用这种方式写字,但我错了:-
Private Sub info_Changed(sender As Object, e As EventArgs) Ha
为了使我的程序在具体情况下更优雅和更有组织,我想在我的Form1类的基础上用引用的变量修改Form1并在Form1_Load中进行赋值在此之后,我可以在该aDgv中使用Form变量。但在这种情况下:
Private Sub aDgv_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs)
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.ClickEnd Sub"Handles子句需要在包含类型或其基类型之一中定义的WithEvents变量</em
<asp:Button ID="Button1" runat="server" Text="Upload" /></asp:content>Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click
它给了我一个
Private Sub worker_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.BackgroundWorker) Handlesworker.DoWork
End Class句柄子句需要在包含类型或其基类型之一中定义