第1个回答 推荐于2016-08-14
添加 Text1, Multiline的属性要设为True
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Const EM_GETLINECOUNT = &HBA
Dim fname$, aa$, jj&
Private Sub Form_Load()
fname = "c:\test.txt" '改为你自己的文件名与路径(app.path)
Open fname For Input As #1
Text1.Text = ""
While Not EOF(1)
Line Input #1, aa
Text1.Text = Text1.Text & aa & vbCrLf
Wend
jj = SendMessage(Text1.hwnd, EM_GETLINECOUNT, 1, 0)
MsgBox jj
End Sub本回答被网友采纳