什么是“＆lt;＆gt;”运营商意味着

Question

以下是我从其他网站获得的一些代码，但我无法理解<>符号的作用。有人可以解释一下吗？

   Dim FldrPicker As FileDialog

   Application.ScreenUpdating = False
   Application.EnableEvents = False
   Application.Calculation = xlCalculationManual

   Set FldrPicker = Application.FileDialog(msoFileDialogOpen)

   With FldrPicker
       .Title = "Select folder:"
       .AllowMultiSelect = False
       If .Show <> -1 Then GoTo NextCode
       myPath = .SelectedItems(1) & "\"
   End With

Answer 1

inequality operator，≠。