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_LINEFROMCHAR = &HC9Const EM_LINEINDEX = &HBB' Get the line/column coordinates of a given character (both are zero-based).' If charIndex is negative, it returns the coordinates of the caretSub TextBoxGetLineColumn(tb As TextBox, ByVal charIndex As Long, line As Long, _ column As Long) If charIndex < 0 Then charIndex = tb.SelStart ' Get the line number. line = SendMessage(tb.hwnd, EM_LINEFROMCHAR, charIndex, ByVal 0&) ' Get the column number by subtracting the line's start ' index from the caret position column = tb.SelStart - SendMessage(tb.hwnd, EM_LINEINDEX, line, ByVal 0&)End Sub
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