Knowing the point location of the caret in a Winforms TextBox?

Question

I need to know the exact point location in my window where the caret currently resides so that I can pop up a small window under the text (similar to intellisense or a spell

Answer 1

Here is my solution:

private Point GetCaretPosition()
{
    Point result = TextBox.GetPositionFromCharIndex(TextBox.SelectionStart);


    if (result.X == 0 && TextBox.Text.Length > 0)
    {
        result = TextBox.GetPositionFromCharIndex(TextBox.Text.Length - 1);
        int s = result.X / TextBox.Text.Length;
        result.X = (int)(result.X + (s * 1.3));
    }


    return result;
}