/// <summary>
/// 注册方法.在OnLaunched和OnActivated中注册
/// </summary>
/// <returns></returns>
public static ExceptionHandlingSynchronizationContext Register()
{
var syncContext = Current;
if (syncContext == null)
{
throw new InvalidOperationException("Ensure a synchronization context exists before calling this method.");
}
var customSynchronizationContext = syncContext as ExceptionHandlingSynchronizationContext;
if (customSynchronizationContext == null)
{
customSynchronizationContext = new ExceptionHandlingSynchronizationContext(syncContext);
SetSynchronizationContext(customSynchronizationContext);
}
return customSynchronizationContext;
}