取得TextBox某一行的字串2009-10-06这是使用EM_GETLINE message来做,比较奇特的是lParam是指向一个字串所在的位置,但是该字串传入时,前两个Byte要存该字串允许的最大长度。"以下在Form需一个TextBox,并设定MultiLine = True, 一个Command Button Private Sub Command1_Click() Dim str5 As String str5 = GetaLine(Text1,1) "取得第二行的字串,以0为基底 End Sub "以下在.Bas Option Explicit Const EM_GETLINE = &HC4 Declare Function SendMessage Lib "user32" Alias "SendMessageA" _ (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _ lParam As Any) As Long Public Function GetaLine(Text1 As TextBox, ByVal ntx As Long) As String Dim str5(255) As Byte "如果您的字串 > 255 byte请自行增加该Byte Array Dim str6 As String, i As Long str5(0) = 255 "字串的前两个Byte存该字串的最大长度 str5(0) = 255 i = SendMessage(Text1.hwnd, EM_GETLINE, ntx, str5(0)) If i = 0 Then GetaLine = "" Else str6 = StrConv(str5, vbUnicode) GetaLine = Left(str6, InStr(1, str6, Chr(0)) - 1) End If End Function