Attribute VB_Name = "GeneralFunc"
Public Sub AddtoTree(TreeView1 As TreeView, _
                        ByVal TmpKey As String)
  Dim Bh As Long
  Dim TmpNode As Node
  '當前選擇結點的關鍵字
  Dim CurKey As String
  '臨時數組
  Dim TmpArr_TypeName() As String
  Dim TmpArr_TypeId() As Long
  ReDim TmpArr_TypeName(0)
  ReDim TmpArr_TypeId(0)
  '從關鍵字中讀取當前的圖書編號
  Bh = Val(Right(TmpKey, Len(TmpKey) - 1))
  '獲取當前圖書分類信息
  MyBookType.GetInfo (Bh)
  '讀取當前圖書分類的下一級分類數據
  MyBookType.Load_by_Upper (Bh)
  '將下一級分類數據賦值到臨時數組中
  i = 0
  Do While Arr_BookType(i) <> ""
    ReDim Preserve TmpArr_TypeName(i + 1)
    TmpArr_TypeName(i) = Arr_BookType(i)
    ReDim Preserve TmpArr_TypeId(i + 1)
    TmpArr_TypeId(i) = Arr_TypeId(i)
    i = i + 1
  Loop
  
  i = 0
  Do While TmpArr_TypeName(i) <> ""
    '生成分類對應的關鍵字，格式為“字母a”＋分類編號
    CurKey = "a" + Trim(Str(TmpArr_TypeId(i)))
    '如果當前分類有下一級分類,則顯示文件夾圖標
    If MyBookType.HaveSon(TmpArr_TypeId(i)) = True Then
      Set TmpNode = TreeView1.Nodes.Add(TmpKey, _
            tvwChild, CurKey, TmpArr_TypeName(i), 1, 3)
          
      TmpNode.ExpandedImage = 2
    '否則顯示葉結點圖標
    Else
      Set TmpNode = TreeView1.Nodes.Add(TmpKey, _
            tvwChild, CurKey, TmpArr_TypeName(i), 4, 5)
    End If
    'FocusTypeName、FocusTypeBh和FocusTypeKey分別表示希望選中的分類的名稱、編號和關鍵字
    If FocusTypeName <> "" And TmpArr_TypeName(i) = FocusTypeName Then
      TmpNode.Selected = True
      FocusTypeKey = CurKey
    End If
    If FocusDepBh > 0 And TmpArr_TypeId(i) = FocusDepBh Then
      TmpNode.Selected = True
      FocusTypeKey = CurKey
    End If
    If FocusTypeKey <> "" And CurKey = FocusTypeKey Then
      TmpNode.Selected = True
    End If
    '以當前分類為參數遞歸調用
    Call AddtoTree(TreeView1, CurKey)
    i = i + 1
  Loop
End Sub

Public Function In_Single(KeyAscii As Integer) As Boolean
  Dim Ch_Accept_Single(20) As String
  '可以接受的字符數組
  Ch_Accept_Single(0) = "0"
  Ch_Accept_Single(1) = "1"
  Ch_Accept_Single(2) = "2"
  Ch_Accept_Single(3) = "3"
  Ch_Accept_Single(4) = "4"
  Ch_Accept_Single(5) = "5"
  Ch_Accept_Single(6) = "6"
  Ch_Accept_Single(7) = "7"
  Ch_Accept_Single(8) = "8"
  Ch_Accept_Single(9) = "9"
  Ch_Accept_Single(10) = "."
  Ch_Accept_Single(11) = "-"
  Ch_Accept_Single(12) = Chr(8)
  '檢查輸入字符是否在數組中
  In_Single = False
  For i = 0 To 12
    If Chr(KeyAscii) = Ch_Accept_Single(i) Then
      In_Single = True
    End If
  Next
End Function

Public Function In_Int(KeyAscii As Integer) As Boolean
  Dim Ch_Accept_Int(20) As String
  '可以接受的字符數組
  Ch_Accept_Int(0) = "0"
  Ch_Accept_Int(1) = "1"
  Ch_Accept_Int(2) = "2"
  Ch_Accept_Int(3) = "3"
  Ch_Accept_Int(4) = "4"
  Ch_Accept_Int(5) = "5"
  Ch_Accept_Int(6) = "6"
  Ch_Accept_Int(7) = "7"
  Ch_Accept_Int(8) = "8"
  Ch_Accept_Int(9) = "9"
  Ch_Accept_Int(10) = "-"
  Ch_Accept_Int(11) = Chr(8)
  '檢查輸入字符是否在數組中
  In_Int = False
  For i = 0 To 11
    If Chr(KeyAscii) = Ch_Accept_Int(i) Then
      In_Int = True
    End If
  Next
End Function

Public Function InCombo(ByVal Str As String, _
                         ByVal Combo1 As ComboBox) As Boolean
  i = 0
  Do While i < Combo1.ListCount
    If Combo1.List(i) = Trim(Str) Then
      InCombo = True
      Exit Function
    End If
    i = i + 1
  Loop
  MsgBox Str + " 不在列表中，請重新設置"
  InCombo = False
End Function

Public Function Lench(ByVal TmpStr As String) As String
  Lench = LenB(StrConv(TmpStr, vbFromUnicode))
End Function

Public Function TrimStr(ByVal Str As String) As String
  If InStr(Str, Chr(0)) <= 0 Then
    TrimStr = Trim(Str)
  Else
    TrimStr = Trim(Left(Str, InStr(Str, Chr(0)) - 1))
  End If
End Function

Public Function MakeStr(ByVal Str As String) As String
  MakeStr = Trim(Replace(Str, "'", "''"))
End Function

Public Sub EnterTAB(KeyAscii As Integer)
  If KeyAscii = 13 Then '13表示回車鍵
    SendKeys "{TAB}"    '轉換為TAB鍵
  End If
End Sub