# Why !? 我用如下的 code, but run time 时会有 语法错误 at : Public Function GetaLine(Text1 As TextBox, ByVal ntx As Long) As String

Posted by Albert on August 18, 1999 at 10:55:21:

Option Explicit
Const EM_GETLINE = &HC4
Public Const EM_GETLINECOUNT = &HBA
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

Option Explicit
Public Function TextBoxLineCnt(ctl As TextBox) As Long
TextBoxLineCnt = SendMessage(ctl.hwnd, EM_GETLINECOUNT, 0, 0)
End Function

Follow Ups:

- sorry 少加了几行 code, 请入内看 Albert 10:57:58 8/18/99 (0)