void ShutdownApplicationByException(Exception ex)
{
if (ex is EgsHostApplicationIsClosingException)
{
// NOTE: Assuming that this is the correct way to shutdown the application.
MessageBox.Show(Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_ApplicationWillExit, ApplicationCommonSettings.HostApplicationName, MessageBoxButton.OK);
if (hostAppComponents != null)
{
hostAppComponents.Dispose(); hostAppComponents = null;
}
}
else
{
// NOTE: This is not handled exceptions. At first it saves safer settings, and then it shows "we're sorry" window.
try
{
// NOTE: But in some cases, application is already shutdown, so this code itself can occur exceptions
var window = new NotHandledExceptionReportWindow();
window.Initialize(ex);
window.ShowDialog();
}
catch (Exception ex2)
{
if (ApplicationCommonSettings.IsDebugging)
{
Debugger.Break();
}
MessageBox.Show(ex2.Message);
}
}
DuplicatedProcessStartBlocking.ReleaseMutex();
}
public FaceDetectionCompletedEventExample1App()
: base()
{
Egs.BindableResources.Current.CultureChanged += delegate
{
ApplicationCommonSettings.HostApplicationName = "FaceDetectionCompletedEventExample1";
};
Egs.BindableResources.Current.ChangeCulture("");
if (DuplicatedProcessStartBlocking.TryGetMutexOnTheBeginningOfApplicationConstructor() == false)
{
var msg = string.Format(System.Globalization.CultureInfo.InvariantCulture, Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_Application0IsAlreadyRunning, ApplicationCommonSettings.HostApplicationName);
MessageBox.Show(msg, ApplicationCommonSettings.HostApplicationName);
Application.Current.Shutdown();
return;
}
ApplicationCommonSettings.IsDebugging = true;
Components = new EgsHostAppBaseComponents();
Components.InitializeOnceAtStartup();
Components.Device.Settings.FaceDetectionMethod.Value = Egs.PropertyTypes.FaceDetectionMethods.DefaultProcessOnEgsHostApplication;
Components.CameraViewWindow.KeyDown += (sender, e) =>
{
switch (e.Key)
{
case System.Windows.Input.Key.Escape:
Components.CameraViewWindow.Close();
break;
}
};
Components.Device.FaceDetectionOnHost.FaceDetectionCompleted += FaceDetectionOnHost_FaceDetectionCompleted;
Window = new FaceDetectionCompletedEventExample1MainWindow();
this.Exit += delegate
{
Window.Close();
if (Components != null)
{
Components.Dispose(); Components = null;
}
DuplicatedProcessStartBlocking.ReleaseMutex();
};
}
public void InitializeFaceDetection()
{
// NOTE: important
Device.Settings.FaceDetectionMethod.Value = Egs.PropertyTypes.FaceDetectionMethods.SdkUserProcess;
HandDetectionAreaDecision = new EgsDeviceFaceDetectionOnHost();
FaceDetectionExample = new FaceDetectionExampleModel();
FaceDetectionExample.FaceDetectionCompleted += FaceDetection_FaceDetectionCompleted;
Device.CameraViewImageSourceBitmapCapture.CameraViewImageSourceBitmapChanged += CameraViewImageSourceBitmapCapture_CameraViewImageSourceBitmapChanged;
this.Exit += delegate
{
// Exception happens if you do not detach these event handlers.
Device.CameraViewImageSourceBitmapCapture.CameraViewImageSourceBitmapChanged -= CameraViewImageSourceBitmapCapture_CameraViewImageSourceBitmapChanged;
FaceDetectionExample.FaceDetectionCompleted -= FaceDetection_FaceDetectionCompleted;
Device.EgsGestureHidReport.ReportUpdated -= EgsGestureHidReport_ReportUpdated;
HandDetectionAreaDecision.Dispose();
Device.Settings.IsToDrawBordersOnCameraViewImageByDevice.Value = false;
Device.Settings.IsToDetectFaces.Value = false;
Device.Settings.IsToDetectHands.Value = false;
Device.Settings.IsToFixHandDetectionRegions.Value = false;
Device.Settings.CameraViewImageSourceBitmapSize.Value = Egs.PropertyTypes.CameraViewImageSourceBitmapSizes.Size_384x240;
// Call this method before CursorView.Close().
EgsDevice.CloseDefaultEgsDevice();
foreach (var cursorView in CursorViews)
{
cursorView.Close();
}
DuplicatedProcessStartBlocking.ReleaseMutex();
};
}
public ZkooHostAppWithTutorialApplication()
: base()
{
// TODO: Check the correct way to catch all exceptions and show it "We're sorry" dialog. But the next way is still meaningless now, and sometimes this code can cause a problem that application cannot exit.
//AppDomain.CurrentDomain.UnhandledException += (sender, e) => { ShutdownApplicationByException((Exception)e.ExceptionObject); };
try
{
Egs.BindableResources.Current.CultureChanged += delegate
{
ApplicationCommonSettings.HostApplicationName = Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_Zkoo;
Egs.ZkooTutorial.BindableResources.Current.ChangeCulture(Egs.EgsDeviceControlCore.Properties.Resources.Culture.Name);
};
Egs.BindableResources.Current.ChangeCulture(ApplicationCommonSettings.DefaultCultureInfoName);
if (DuplicatedProcessStartBlocking.TryGetMutexOnTheBeginningOfApplicationConstructor() == false)
{
var msg = string.Format(System.Globalization.CultureInfo.InvariantCulture, Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_Application0IsAlreadyRunning, ApplicationCommonSettings.HostApplicationName);
MessageBox.Show(msg, ApplicationCommonSettings.HostApplicationName);
if (Application.Current != null)
{
Application.Current.Shutdown();
}
return;
}
hostAppComponents = new EgsHostAppBaseComponents();
hostAppComponents.InitializeOnceAtStartup();
hostAppComponents.HasResetSettings += delegate
{
// You can modify the application default settings here.
hostAppComponents.Device.Settings.FaceDetectionMethod.Value = Egs.PropertyTypes.FaceDetectionMethods.DefaultProcessOnEgsHostApplication;
hostAppComponents.IsToStartTutorialWhenHostApplicationStart = true;
};
if (SettingsSerialization.LoadSettingsJsonFile(hostAppComponents) == false)
{
hostAppComponents.Reset();
}
hostAppComponents.CameraViewWindow.Closed += delegate { hostAppComponents.Dispose(); };
hostAppComponents.Disposing += delegate
{
// NOTE: Save settings before Dispose(). Target event is not Disposed but Disposing.
if (hostAppComponents.CanSaveSettingsJsonFileSafely)
{
SettingsSerialization.SaveSettingsJsonFile(hostAppComponents);
}
if (navigator != null)
{
// detach static event
Microsoft.Win32.SystemEvents.DisplaySettingsChanged -= SystemEvents_DisplaySettingsChanged;
}
// NOTE: IMPORTANT!
if (navigator != null)
{
navigator.Close(); navigator = null;
}
zkooTutorialModel = null;
};
base.Exit += delegate
{
if (hostAppComponents != null)
{
hostAppComponents.Dispose(); hostAppComponents = null;
}
DuplicatedProcessStartBlocking.ReleaseMutex();
};
hostAppComponents.CheckIfDeviceFirmwareIsLatestOrNotAndExitApplicationIfFailed();
// NOTE: If users exit the application by the button on Camera View while "Firmware Update" dialog, exception occurs.
// MUSTDO: We will fix this.
if (hostAppComponents.SettingsWindow == null)
{
return;
}
// NOTE: Codes about "Tutorial" application.
// TODO: Tutorial application should be independent from this host application, so I wrote it as an event handler.
var hasZkooTutorialLaunched = false;
var zkooTutorialLaunchAction = new Action(() =>
{
if (hasZkooTutorialLaunched == false)
{
zkooTutorialModel = new ZkooTutorialModel(hostAppComponents);
navigator = new MainNavigationWindow();
// attach static event
Microsoft.Win32.SystemEvents.DisplaySettingsChanged += SystemEvents_DisplaySettingsChanged;
// NOTE: TODO: When exceptions occur in Initialize, we have to distinguish whether from Settings files or from source code.
zkooTutorialModel.TutorialAppHeaderMenu.InitializeOnceAtStartup(navigator, zkooTutorialModel);
zkooTutorialModel.InitializeOnceAtStartup(hostAppComponents);
navigator.InitializeOnceAtStartup(zkooTutorialModel);
hasZkooTutorialLaunched = true;
}
navigator.StartTutorial();
});
hostAppComponents.SettingsWindow.SettingsUserControl.TutorialAppSettingsGroupBoxVisibility = Visibility.Visible;
hostAppComponents.StartTutorialCommand.PerformEventHandler += delegate
{
zkooTutorialLaunchAction.Invoke();
};
hostAppComponents.IsStartingDeviceFirmwareUpdate += delegate { if (navigator != null)
{
navigator.ExitTutorial();
}
};
hostAppComponents.IsStartingHostApplicationUpdate += delegate { if (navigator != null)
{
navigator.ExitTutorial();
}
};
if (ApplicationCommonSettings.IsInternalRelease || ApplicationCommonSettings.IsDebuggingInternal)
{
var exvisionInternalSettingsTabItem = new System.Windows.Controls.TabItem()
{
Header = "Exvision"
};
exvisionInternalSettingsTabItem.Content = new Egs.Views.ExvisionSettingsUserControl();
hostAppComponents.SettingsWindow.SettingsUserControl.SettingsTabControl.Items.Add(exvisionInternalSettingsTabItem);
}
if (hostAppComponents.IsToStartTutorialWhenHostApplicationStart)
{
zkooTutorialLaunchAction.Invoke();
}
}
catch (Exception ex)
{
ShutdownApplicationByException(ex);
}
}
public ZkooHostAppApplication()
: base()
{
hostAppComponents = null;
try
{
Egs.BindableResources.Current.CultureChanged += delegate
{
ApplicationCommonSettings.HostApplicationName = Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_GestureCamera;
};
Egs.BindableResources.Current.ChangeCulture(ApplicationCommonSettings.DefaultCultureInfoName);
if (DuplicatedProcessStartBlocking.TryGetMutexOnTheBeginningOfApplicationConstructor() == false)
{
var msg = string.Format(System.Globalization.CultureInfo.InvariantCulture, Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_Application0IsAlreadyRunning, ApplicationCommonSettings.HostApplicationName);
MessageBox.Show(msg, ApplicationCommonSettings.HostApplicationName);
if (Application.Current != null)
{
Application.Current.Shutdown();
}
return;
}
hostAppComponents = new EgsHostAppBaseComponents();
hostAppComponents.InitializeOnceAtStartup();
hostAppComponents.HasResetSettings += delegate
{
// You can modify the application default settings here.
hostAppComponents.Device.Settings.CursorSpeedAndPrecisionMode.Value = Egs.PropertyTypes.CursorSpeedAndPrecisionModes.Standard;
hostAppComponents.Device.Settings.FaceDetectionMethod.Value = Egs.PropertyTypes.FaceDetectionMethods.DefaultProcessOnEgsHostApplication;
};
if (SettingsSerialization.LoadSettingsJsonFile(hostAppComponents) == false)
{
hostAppComponents.Reset();
}
hostAppComponents.CameraViewWindow.Closed += delegate { hostAppComponents.Dispose(); };
hostAppComponents.Disposing += delegate
{
// NOTE: Save settings before Dispose(). Target event is not Disposed but Disposing.
if (hostAppComponents.CanSaveSettingsJsonFileSafely)
{
SettingsSerialization.SaveSettingsJsonFile(hostAppComponents);
}
};
base.Exit += delegate
{
if (hostAppComponents != null)
{
hostAppComponents.Dispose(); hostAppComponents = null;
}
DuplicatedProcessStartBlocking.ReleaseMutex();
};
hostAppComponents.CheckIfDeviceFirmwareIsLatestOrNotAndExitApplicationIfFailed();
// NOTE: If users exit the application by the button on Camera View while "Firmware Update" dialog, exception occurs.
// MUSTDO: We will fix this.
if (hostAppComponents.SettingsWindow == null)
{
return;
}
// TODO: The tutorial program will be separated into an independent application.
hostAppComponents.SettingsWindow.SettingsUserControl.TutorialAppSettingsGroupBoxVisibility = Visibility.Collapsed;
hostAppComponents.StartTutorialCommand.CanPerform = false;
}
catch (Exception ex)
{
ShutdownApplicationByException(ex);
}
}
public App()
: base()
{
Egs.BindableResources.Current.CultureChanged += delegate
{
ApplicationCommonSettings.HostApplicationName = Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_GestureCamera;
//ApplicationCommonSettings.HostApplicationName = "WpfApplication1";
};
// You can change the application CultureInfo to some cultures.
// The next line lets it use OS culture
Egs.BindableResources.Current.ChangeCulture("");
//Egs.BindableResources.Current.ChangeCulture(ApplicationCommonSettings.DefaultCultureInfoName);
//Egs.BindableResources.Current.ChangeCulture("en");
//Egs.BindableResources.Current.ChangeCulture("ja");
//Egs.BindableResources.Current.ChangeCulture("zh-Hans");
if (DuplicatedProcessStartBlocking.TryGetMutexOnTheBeginningOfApplicationConstructor() == false)
{
// Currently, the ZkooHostApp is not service, so only one instance can run.
var msg = string.Format(System.Globalization.CultureInfo.InvariantCulture, Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_Application0IsAlreadyRunning, ApplicationCommonSettings.HostApplicationName);
MessageBox.Show(msg, ApplicationCommonSettings.HostApplicationName);
Application.Current.Shutdown();
return;
}
// The next line shows "Developer" tab on SettingsWindow.
ApplicationCommonSettings.IsDebugging = true;
// This object has all Views and Models
var hostAppComponents = new EgsHostAppBaseComponents();
// A lot of classes in "Egs" namespace have "InitializeOnceAtStartup..." methods. Please call them.
hostAppComponents.InitializeOnceAtStartup();
hostAppComponents.HasResetSettings += delegate
{
// You can modify the application default settings here.
hostAppComponents.Device.Settings.CursorSpeedAndPrecisionMode.Value = Egs.PropertyTypes.CursorSpeedAndPrecisionModes.Standard;
};
hostAppComponents.CameraViewWindow.KeyDown += (sender, e) =>
{
switch (e.Key)
{
case System.Windows.Input.Key.Escape:
// NOTE: The specification changed.
// When you use EgsHostAppBaseComponents, it disposes itself when CameraViewWindow is closed.
// So you need not to attach "event handler which calls host.Dispose()" to "event CameraViewWindow.Closed".
hostAppComponents.CameraViewWindow.Close();
break;
}
};
this.Exit += delegate
{
if (hostAppComponents != null)
{
hostAppComponents.Dispose(); hostAppComponents = null;
}
DuplicatedProcessStartBlocking.ReleaseMutex();
};
}
public App()
: base()
{
Egs.BindableResources.Current.CultureChanged += delegate
{
ApplicationCommonSettings.HostApplicationName = Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_GestureCamera;
//ApplicationCommonSettings.HostApplicationName = "WpfApplication2";
};
// You can change the application CultureInfo to some cultures.
// The next line lets it use OS culture
Egs.BindableResources.Current.ChangeCulture("");
//Egs.BindableResources.Current.ChangeCulture(ApplicationCommonSettings.DefaultCultureInfoName);
//Egs.BindableResources.Current.ChangeCulture("en");
//Egs.BindableResources.Current.ChangeCulture("ja");
//Egs.BindableResources.Current.ChangeCulture("zh-Hans");
if (DuplicatedProcessStartBlocking.TryGetMutexOnTheBeginningOfApplicationConstructor() == false)
{
var msg = string.Format(System.Globalization.CultureInfo.InvariantCulture, Egs.EgsDeviceControlCore.Properties.Resources.CommonStrings_Application0IsAlreadyRunning, ApplicationCommonSettings.HostApplicationName);
MessageBox.Show(msg, ApplicationCommonSettings.HostApplicationName);
Application.Current.Shutdown();
return;
}
// Sorry, EgsHostSettings and EgsDevice.GetDefaultEgsDevice(EgsDeviceSettings) are no longer available.
// Device settings are saved on Host PC,
// and the host application transfers the device settings to connected device when it starts running or a device is connected.
// You can use EgsDevice object directly, without EgsHostAppBaseComponents or EgsHostOnUserControl.
Device = EgsDevice.GetDefaultEgsDevice();
Device.Settings.FaceDetectionMethod.Value = FaceDetectionMethods.DefaultProcessOnEgsDevice;
Device.Settings.IsToDetectFaces.Value = true;
Device.Settings.IsToDetectHands.Value = true;
// OnePersonBothHandsViewModel can receive information from EgsDevice on EgsGestureHidReport.ReportUpdated event etc.
// It interprets the information from EgsDevice for CursorForm and so on.
OnePersonBothHandsViewModel = new OnePersonBothHandsViewModel();
// A lot of classes in "Egs" namespace have "InitializeOnceAtStartup..." methods.
// Please call the initialization before they are used as arguments of some other objects, or before some event handlers are attached.
OnePersonBothHandsViewModel.InitializeOnceAtStartup(Device);
// CursorForm shows Gesture Cursor. It is available on Windows 7, 8, 8.1 (contains start screen) and 10.
CursorViews = new CursorForm[Device.TrackableHandsCountMaximum];
CursorViews[0] = new CursorForm();
CursorViews[1] = new CursorForm();
CursorViews[0].InitializeOnceAtStartup(OnePersonBothHandsViewModel.RightHand, ImageInformationSet.CreateDefaultRightCursorImageInformationSetList());
CursorViews[1].InitializeOnceAtStartup(OnePersonBothHandsViewModel.LeftHand, ImageInformationSet.CreateDefaultLeftCursorImageInformationSetList());
Device.EgsGestureHidReport.ReportUpdated += EgsGestureHidReport_ReportUpdated;
// Sorry, specification is changed. You need to make an object of CameraViewUserControlModel.
CameraViewUserControlModel = new CameraViewUserControlModel();
CameraViewWindowModel = new CameraViewWindowModel();
CameraViewWindow = new CameraViewWindow();
CameraViewUserControlModel.IsToDrawImageSet = true;
Device.Settings.IsToDrawBordersOnCameraViewImageByDevice.Value = false;
CameraViewUserControlModel.InitializeOnceAtStartup(Device);
CameraViewWindowModel.InitializeOnceAtStartup(Device);
CameraViewWindow.InitializeOnceAtStartup(CameraViewWindowModel, CameraViewUserControlModel);
CameraViewWindow.MainMenuItemsPanel.Columns = 2;
// Minimize button needs EgsHostAppBaseComponents, because there is no way to "Un"-minimize it except for tray icon in system notification area, currently.
// AppTrayIconAndMenuItemsComponent manages the tray icon, and change the visibility of Settings Window and Camera View.
CameraViewWindow.MinimizeButton.Visibility = Visibility.Collapsed;
// Settings button needs EgsHostAppBaseComponents, because only EgsHostAppBaseComponents has all information about host app,
// and SettingsWindow can change the settings of EgsHostAppBaseComponents.
CameraViewWindow.SettingsButton.Visibility = Visibility.Collapsed;
// EgsHostAppBaseComponents also attachs an event handler which calls EgsHostAppBaseComponents.Dispose() and closes the application.
CameraViewWindowModel.ExitCommand.PerformEventHandler += delegate
{
// In this example program, the next line means the application exit.
CameraViewWindow.Close();
};
var button = new System.Windows.Controls.Button()
{
Content = "Show Dialog"
};
button.Click += delegate { MessageBox.Show("Hello!"); };
CameraViewWindow.MainMenuItemsPanel.Children.Insert(0, button);
CameraViewWindow.KeyDown += (sender, e) =>
{
switch (e.Key)
{
case System.Windows.Input.Key.Escape:
// This application does not use EgsHostAppBaseComponents, so this just closes the window.
CameraViewWindow.Close();
break;
}
};
// But this event handler attach close cursors and device.
CameraViewWindow.Closed += delegate
{
Device.EgsGestureHidReport.ReportUpdated -= EgsGestureHidReport_ReportUpdated;
// When you get EgsDevice by EgsDevice.GetDefaultEgsDevice, you need to call EgsDevice.CloseDefaultEgsDevice().
Device.Settings.IsToDetectFaces.Value = false;
Device.Settings.IsToDetectHands.Value = false;
EgsDevice.CloseDefaultEgsDevice();
// And then, you need to close cursorViews.
foreach (var cursorView in CursorViews)
{
cursorView.Close();
}
};
this.Exit += delegate
{
DuplicatedProcessStartBlocking.ReleaseMutex();
};
}