/// <summary>
/// Extension method to perform sync/async version of DataServiceContext.SaveChanges dynamically
/// </summary>
/// <param name="context">The context to save changes on</param>
/// <param name="continuation">The asynchronous continuation</param>
/// <param name="async">A value indicating whether or not to use async API</param>
/// <param name="options">The save changes options to use or null to use the overload without options</param>
/// <param name="onCompletion">A callback for when the call completes</param>
public static void SaveChanges(this WrappedDataServiceContext context, IAsyncContinuation continuation, bool async, SaveChangesOptions?options, Action <WrappedDataServiceResponse> onCompletion)
{
ExceptionUtilities.CheckArgumentNotNull(context, "context");
if (options == null)
{
AsyncHelpers.InvokeSyncOrAsyncMethodCall <WrappedDataServiceResponse>(continuation, async, () => context.SaveChanges(), c => context.BeginSaveChanges(c, null), r => context.EndSaveChanges(r), onCompletion);
}
else
{
var wrappedEnum = context.Scope.Wrap <WrappedEnum>(options.Value.ToProductEnum());
AsyncHelpers.InvokeSyncOrAsyncMethodCall <WrappedDataServiceResponse>(continuation, async, () => context.SaveChanges(wrappedEnum), c => context.BeginSaveChanges(wrappedEnum, c, null), r => context.EndSaveChanges(r), onCompletion);
}
}
