public static void SaveSizeAndLocation(this Form form, Configuration config)
{
Point location;
Size size;
var saveState = new FormSizeAndPosition();
// save location and size if the state is normal
if (form.WindowState == FormWindowState.Normal)
{
location = form.Location;
size = form.Size;
}
else
{
// save the RestoreBounds if the form is minimized or maximized
location = form.RestoreBounds.Location;
size = form.RestoreBounds.Size;
}
saveState.X = location.X;
saveState.Y = location.Y;
saveState.Width = size.Width;
saveState.Height = size.Height;
saveState.IsMaximized = form.WindowState == FormWindowState.Maximized;
config.SetObject(form.Name, saveState);
}
public static void RestoreSizeAndLocation(this Form form, Configuration config)
{
FormSizeAndPosition savedState = config.GetNonString <FormSizeAndPosition>(form.Name);
if (savedState is null)
{
return;
}
// too small -- something must have gone wrong. use defaults
if (savedState.Width < 25 || savedState.Height < 25)
{
savedState.Width = form.Width;
savedState.Height = form.Height;
}
// Fit to the current screen size in case the screen resolution changed since the size was last persisted
if (savedState.Width > Screen.PrimaryScreen.WorkingArea.Width)
{
savedState.Width = Screen.PrimaryScreen.WorkingArea.Width;
}
if (savedState.Height > Screen.PrimaryScreen.WorkingArea.Height)
{
savedState.Height = Screen.PrimaryScreen.WorkingArea.Height;
}
var x = savedState.X;
var y = savedState.Y;
var rect = new Rectangle(x, y, savedState.Width, savedState.Height);
// is proposed rect on a screen?
if (Screen.AllScreens.Any(screen => screen.WorkingArea.Contains(rect)))
{
form.StartPosition = FormStartPosition.Manual;
form.DesktopBounds = rect;
}
else
{
form.StartPosition = FormStartPosition.WindowsDefaultLocation;
form.Size = rect.Size;
}
// FINAL: for Maximized: start normal state, set size and location, THEN set max state
form.WindowState = savedState.IsMaximized ? FormWindowState.Maximized : FormWindowState.Normal;
}
