/// <summary>
/// Runs the action inside a message loop and continues pumping messages
/// as long as any asynchronous operations have been registered
/// </summary>
public static void Run(Action asyncAction)
{
using (SynchronizationContextSwitcher.Capture())
{
Dispatcher dispatcher = Dispatcher.CurrentDispatcher;
DispatcherFrame frame = new DispatcherFrame(exitWhenRequested: true);
var message = new AsyncActionLaunchMessage(asyncAction, dispatcher, frame);
// queue up our first message before we run the loop
dispatcher.BeginInvoke(new Action(message.LaunchMessageImpl));
// run the actual WPF message loop
Dispatcher.PushFrame(frame);
// PushFrame() has returned. This must indicate that
// the operation count has fallen back to zero.
}
}
/// <summary>
/// Runs the action inside a message loop and continues pumping messages
/// as long as any asynchronous operations have been registered
/// </summary>
public static void Run(Action asyncAction)
{
using (InstallerAndRestorer.Install())
{
// InstallerAndRestorer ensures the WinForms context is installed
// capture that WinFormsContext
var winFormsContext = SynchronizationContext.Current;
// wrap the WinForms context in our own decorator context and install that
var asyncVoidContext = new AsyncVoidSyncContext(winFormsContext);
SynchronizationContext.SetSynchronizationContext(asyncVoidContext);
// queue up the first message before we start running the loop
var message = new AsyncActionLaunchMessage(asyncAction, asyncVoidContext);
asyncVoidContext.Post(message.LaunchMessageImpl, state: null);
// run the actual WinForms message loop
Application.Run();
}
}
