private void SetAutoCompleteLocation(TextBoxBase control, bool moveHorizontly)
{
Point cursorLocation = control.GetPositionFromCharIndex(control.SelectionStart);
Screen screen = Screen.FromPoint(cursorLocation);
Point optimalLocation = new Point(control.PointToScreen(cursorLocation).X - 15, (int)(control.PointToScreen(cursorLocation).Y + Font.Size * 2 + 2));
Rectangle desiredPlace = new Rectangle(optimalLocation, this.Size);
desiredPlace.Width = 152;
if (desiredPlace.Left < screen.Bounds.Left)
{
desiredPlace.X = screen.Bounds.Left;
}
if (desiredPlace.Right > screen.Bounds.Right)
{
desiredPlace.X -= (desiredPlace.Right - screen.Bounds.Right);
}
if (desiredPlace.Bottom > screen.Bounds.Bottom)
{
desiredPlace.Y = cursorLocation.Y - 2 - desiredPlace.Height;
}
if (!moveHorizontly)
{
desiredPlace.X = this.Left;
}
this.Bounds = desiredPlace;
}