TextBoxGetLine – Return a single line in a multiline TextBox control

Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal _    hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _    lParam As Any) As LongConst EM_LINEINDEX = &HBBConst EM_LINELENGTH = &HC1' Return the specified line in a multiline TextBox control.Function TextBoxGetLine(tb As TextBox, ByVal lineNum As Long) As String    Dim charOffset As Long, lineLen As Long    ' Retrieve the character offset of the first character of the line.    charOffset = SendMessage(tb.hwnd, EM_LINEINDEX, lineNum, ByVal 0&)    ' Now it is possible to retrieve the length of the line.    lineLen = SendMessage(tb.hwnd, EM_LINELENGTH, charOffset, ByVal 0&)    ' Extract the line text.    TextBoxGetLine = Mid$(tb.Text, charOffset + 1, lineLen)End Function

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