public static void WindowlessBringIntoView(IWindowlessControl control)
{
WindowlessControlHost host = GetHost(control);
host.SyncWindows();
Point p = WindowlessPointToHost(control, Point.Empty);
Rectangle rect = new Rectangle(p.X, p.Y, control.Width, control.Height);
while (host != null)
{
if (host.AutoScroll)
{
Point newScroll = host.AutoScrollPosition;
// we favor top and left over bottom and right
if (rect.Top < 0)
{
newScroll.Y -= rect.Top;
}
else if (rect.Bottom > host.Height && rect.Height <= host.Height)
{
newScroll.Y += (host.Height - rect.Bottom);
}
if (rect.Left < 0)
{
newScroll.X -= rect.Left;
}
else if (rect.Right > host.Width && rect.Width <= host.Width)
{
newScroll.Y += (host.Width - rect.Right);
}
// for some reason you need to pass in positive values to autoscroll, and it converts them to negative values...
if (newScroll != host.AutoScrollPosition)
{
host.AutoScrollPosition = new Point(Math.Abs(newScroll.X), Math.Abs(newScroll.Y));
host.SyncWindows();
}
}
rect.X += host.Left;
rect.Y += host.Top;
host = host.Parent as WindowlessControlHost;
}
}
