'TreeNodeData類是用來保存與某個TreeView節點(TreeNode)相關的數據
Public Class TreeNodeData
    Public Id As String
    Public PId As String
    Public Name As String
    Public Count As String
    Public Code As String
    Public WorkShop As String
    Public Depot As String
    Public Rate As String
    Public CheckDate As String
    'TreeNodeData類的構造函數
    Sub New(ByVal sId As String, _
            ByVal sPId As String, _
            ByVal sName As String, _
            ByVal sCount As String, _
            ByVal sCode As String, _
            ByVal sWorkShop As String, _
            ByVal sDepot As String, _
            ByVal sRate As String, _
            ByVal sCheckDate As String)
        Id = sId
        PId = sPId
        Name = sName
        Count = sCount
        Code = sCode
        WorkShop = sWorkShop
        Depot = sDepot
        Rate = sRate
        CheckDate = sCheckDate
    End Sub
End Class