public static void Main()
{
//try to recover the data or create the weak reference
bootInfoExtendedWeakReference =
ExtendedWeakReference.RecoverOrCreate(
typeof(MyUniqueSelectorType), //unique type to prevent other code from accessing our data
0, //id that refers to the data we care about
ExtendedWeakReference.c_SurvivePowerdown | ExtendedWeakReference.c_SurviveBoot);
//set how important the data is
bootInfoExtendedWeakReference.Priority = (int)ExtendedWeakReference.PriorityLevel.Important;
//try to get the persisted data
//if we get the data, then putting it in the field myBootInfo creates a
//strong reference to it, preventing the GC from collecting it
MyBootInfo myBootInfo = (MyBootInfo)bootInfoExtendedWeakReference.Target;
if (myBootInfo == null)
{
//the data could not be obtained
Debug.Print("This is the first time the device booted or the data was lost.");
myBootInfo = new MyBootInfo(1); //first initialization
}
else
{
//the data could be obtained, display info
Debug.Print("Number of boots = " + myBootInfo.BootCount);
myBootInfo = new MyBootInfo(myBootInfo.BootCount + 1); //increment number of boots
}
//setting the Target property causes to write the data to flash memory
bootInfoExtendedWeakReference.Target = myBootInfo;
//give the system time to save it to flash
System.Threading.Thread.Sleep(2000);
}
public static void Main()
{
//try to recover the data or create the weak reference
bootInfoExtendedWeakReference =
ExtendedWeakReference.RecoverOrCreate(
typeof(MyUniqueSelectorType), //unique type to prevent other code from accessing our data
0, //id that refers to the data we care about
ExtendedWeakReference.c_SurvivePowerdown | ExtendedWeakReference.c_SurviveBoot);
//set how important the data is
bootInfoExtendedWeakReference.Priority = (int)ExtendedWeakReference.PriorityLevel.Important;
//try to get the persisted data
//if we get the data, then putting it in the field myBootInfo creates a
//strong reference to it, preventing the GC from collecting it
MyBootInfo myBootInfo = (MyBootInfo)bootInfoExtendedWeakReference.Target;
if (myBootInfo == null)
{
//the data could not be obtained
Debug.Print("This is the first time the device booted or the data was lost.");
myBootInfo = new MyBootInfo(1); //first initialization
}
else
{
//the data could be obtained, display info
Debug.Print("Number of boots = " + myBootInfo.BootCount);
myBootInfo = new MyBootInfo(myBootInfo.BootCount + 1); //increment number of boots
}
//setting the Target property causes to write the data to flash memory
bootInfoExtendedWeakReference.Target = myBootInfo;
//give the system time to save it to flash
System.Threading.Thread.Sleep(2000);
}
