遇到一个问题。addhandler 与 handels的区别是什么
举例:如下语句运行成功
Private Sub 供货商IDSearchLookUpEdit_TextChanged(sender As Object, e As EventArgs) Handles 供货商IDSearchLookUpEdit.TextChanged MsgBox(sender.name, MsgBoxStyle.OkCancel, "测试") End Sub
如下语句不成功
Private Sub 主界面_Load(sender As Object, e As EventArgs) Handles MyBase.Load AddHandler 供货商IDSearchLookUpEdit.TextChanged, AddressOf 供货商IDSearchLookUpEdit_TextChanged end sub Private Sub 供货商IDSearchLookUpEdit_TextChanged(sender As Object, e As EventArgs) 'Handles 供货商IDSearchLookUpEdit.TextChanged MsgBox(sender.name, MsgBoxStyle.OkCancel, "测试") End Sub