cstringbuilder.cls

来自「高亮语法类 1）了解HASH函数在网络安全中的应用 （2）掌握HASH函数实」· CLS 代码 · 共 46 行

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "CStringBuilder"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit

' The secret to this class is that it uses the join
'function which is part of the VBA.Strings Class

Private mvarStringArray() As String
Private mvarArrayItems As Long
 
Public Sub Append(ByVal newStr As String)
    ReDim Preserve mvarStringArray(mvarArrayItems) As String
    mvarStringArray(mvarArrayItems) = newStr
    mvarArrayItems = mvarArrayItems + 1
End Sub
  
Public Property Get toString() As String
    If mvarArrayItems > 0 Then toString = Join(mvarStringArray, "")
End Property
 
Public Sub Reset()
    mvarArrayItems = 0
    Erase mvarStringArray
End Sub

Private Sub Class_Initialize()
    If mvarArrayItems > 0 Then Reset
End Sub


Private Sub Class_Terminate()
  Reset
End Sub