ConTextMenuStrip控件不要和listbox绑定，用代码弹出来：Private Sub ListBoxUser_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ListBoxUser.MouseDown
If e.Button = Windows.Forms.MouseButtons.Right Then
Dim sPoint As Point = New Point(e.X, e.Y)
Dim sIndex As Integer ...
