private void RestoreMdiContainerState(MdiContainerWithState mdiContainerWithState)
{
MdiContainerForm mdiContainerForm = mdiContainerWithState.Form;
PersistableFormState formState = mdiContainerWithState.State.FormState;
bool boundsInitialized = false;
Rectangle targetBounds = formState.Bounds;
// If all bounds are known initialize from those.
// Do make sure the window ends up on a visible working area.
targetBounds.Intersect(Screen.GetWorkingArea(targetBounds));
if (targetBounds.Width >= mdiContainerForm.MinimumSize.Width && targetBounds.Height >= mdiContainerForm.MinimumSize.Height)
{
mdiContainerForm.SetBounds(targetBounds.Left, targetBounds.Top, targetBounds.Width, targetBounds.Height, BoundsSpecified.All);
boundsInitialized = true;
}
// Determine a window state independently if no formState was applied successfully.
if (!boundsInitialized)
{
SetDefaultSizeAndPosition(mdiContainerForm);
}
// Restore maximized setting after setting the Bounds.
if (formState.Maximized)
{
mdiContainerForm.WindowState = FormWindowState.Maximized;
}
}
private static void SetDefaultSizeAndPosition(MdiContainerForm mdiContainerForm)
{
// Show in the center of the monitor where the mouse currently is.
var activeScreen = Screen.FromPoint(MousePosition);
Rectangle workingArea = activeScreen.WorkingArea;
// Two thirds the size of the active monitor's working area.
workingArea.Inflate(-workingArea.Width / 6, -workingArea.Height / 6);
// Update the bounds of the form.
mdiContainerForm.SetBounds(workingArea.X, workingArea.Y, workingArea.Width, workingArea.Height, BoundsSpecified.All);
}