protected virtual void Dispose(bool isdisposing)
{
// No longer reference event listeners:
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
LoadingStateChanged = null;
Rendering = null;
// No longer reference handlers:
this.SetHandlersToNull();
if (isdisposing)
{
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
PresentationSource.RemoveSourceChangedHandler(this, PresentationSourceChangedHandler);
// Release internal event listeners:
Loaded -= OnLoaded;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
// Release internal event listeners for Drag Drop events:
DragEnter -= OnDragEnter;
DragOver -= OnDragOver;
DragLeave -= OnDragLeave;
Drop -= OnDrop;
IsVisibleChanged -= OnIsVisibleChanged;
if (tooltipTimer != null)
{
tooltipTimer.Tick -= OnTooltipTimerTick;
}
if (CleanupElement != null)
{
CleanupElement.Unloaded -= OnCleanupElementUnloaded;
}
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
UiThreadRunAsync(() => WebBrowser = null);
}
Cef.RemoveDisposable(this);
RemoveSourceHook();
managedCefBrowserAdapter = null;
}
private void Dispose(bool disposing)
{
ClearHandlers();
ClearEventListeners();
Cef.RemoveDisposable(this);
if (!disposing)
{
return;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
protected virtual void Dispose(bool isdisposing)
{
Loaded -= OnLoaded;
Unloaded -= OnUnloaded;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
IsVisibleChanged -= OnIsVisibleChanged;
Cef.RemoveDisposable(this);
RemoveSourceHook();
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
UiThreadRunAsync(() => WebBrowser = null);
managedCefBrowserAdapter = null;
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
}
private void InternalDispose(bool disposing)
{
if (disposing)
{
Interlocked.Exchange(ref browserInitialized, 0);
CanExecuteJavascriptInMainFrame = false;
// Don't maintain a reference to event listeners anylonger:
AddressChanged = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
IsBrowserInitializedChanged = null;
LoadError = null;
LoadingStateChanged = null;
StatusMessage = null;
TitleChanged = null;
JavascriptMessageReceived = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
// We also leave FocusHandler and override with a NoFocusHandler implementation as
// it so we can block taking Focus (we're dispoing afterall). Issue #3715
FreeHandlersExceptLifeSpanAndFocus();
FocusHandler = new NoFocusHandler();
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
//Dispose of BrowserSettings if we created it, if user created then they're responsible
if (browserSettings != null && browserSettings.AutoDispose)
{
browserSettings.Dispose();
}
browserSettings = null;
parkingControl?.Dispose();
parkingControl = null;
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
private void InternalDispose(bool disposing)
{
if (disposing)
{
CanExecuteJavascriptInMainFrame = false;
IsBrowserInitialized = false;
// Don't maintain a reference to event listeners anylonger:
AddressChanged = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
IsBrowserInitializedChanged = null;
LoadError = null;
LoadingStateChanged = null;
StatusMessage = null;
TitleChanged = null;
JavascriptMessageReceived = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNullExceptLifeSpan();
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
//Dispose of BrowserSettings if we created it, if user created then they're responsible
if (browserSettings.FrameworkCreated)
{
browserSettings.Dispose();
}
browserSettings = null;
parkingControl?.Dispose();
parkingControl = null;
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
protected virtual void Dispose(bool disposing)
{
// Don't reference handlers any longer:
ResourceHandlerFactory = null;
JsDialogHandler = null;
DialogHandler = null;
DownloadHandler = null;
KeyboardHandler = null;
LifeSpanHandler = null;
MenuHandler = null;
FocusHandler = null;
RequestHandler = null;
DragHandler = null;
GeolocationHandler = null;
// Don't reference event listeners any longer:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
ConsoleMessage = null;
BrowserInitialized = null;
StatusMessage = null;
NavStateChanged = null;
AddressChanged = null;
IsLoadingChanged = null;
Cef.RemoveDisposable(this);
if (disposing)
{
IsBrowserInitialized = false;
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
}
protected override void Dispose(bool disposing)
{
// Don't utilize any of the handlers anymore:
DialogHandler = null;
JsDialogHandler = null;
KeyboardHandler = null;
RequestHandler = null;
DownloadHandler = null;
LifeSpanHandler = null;
MenuHandler = null;
DragHandler = null;
GeolocationHandler = null;
FocusHandler = null;
ResourceHandlerFactory = null;
Cef.RemoveDisposable(this);
if (disposing)
{
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
NavStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
IsLoadingChanged = null;
}
base.Dispose(disposing);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources for the <see cref="ChromiumWebBrowser"/>
/// </summary>
/// <param name="disposing"><see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
// Attempt to move the disposeSignaled state from 0 to 1. If successful, we can be assured that
// this thread is the first thread to do so, and can safely dispose of the object.
if (Interlocked.CompareExchange(ref disposeSignaled, 1, 0) != 0)
{
return;
}
if (disposing)
{
CanExecuteJavascriptInMainFrame = false;
Interlocked.Exchange(ref browserInitialized, 0);
// Don't reference event listeners any longer:
AddressChanged = null;
BrowserInitialized = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
LoadError = null;
LoadingStateChanged = null;
Paint = null;
AfterPaint = null;
StatusMessage = null;
TitleChanged = null;
JavascriptMessageReceived = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
// We also leave FocusHandler and override with a NoFocusHandler implementation as
// it so we can block taking Focus (we're dispoing afterall). Issue #3715
FreeHandlersExceptLifeSpanAndFocus();
FocusHandler = new NoFocusHandler();
browser = null;
BrowserCore = null;
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
protected override void Dispose(bool disposing)
{
Cef.RemoveDisposable(this);
if (disposing)
{
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
}
base.Dispose(disposing);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources for the <see cref="ChromiumWebBrowser"/>
/// </summary>
/// <param name="disposing"><see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
// Attempt to move the disposeSignaled state from 0 to 1. If successful, we can be assured that
// this thread is the first thread to do so, and can safely dispose of the object.
if (Interlocked.CompareExchange(ref disposeSignaled, 1, 0) != 0)
{
return;
}
if (disposing)
{
IsBrowserInitialized = false;
// Don't reference event listeners any longer:
AddressChanged = null;
BrowserInitialized = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
LoadError = null;
LoadingStateChanged = null;
Paint = null;
AfterPaint = null;
StatusMessage = null;
TitleChanged = null;
JavascriptMessageReceived = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNullExceptLifeSpan();
browser = null;
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
// Don't reference event listeners any longer:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
ConsoleMessage = null;
BrowserInitialized = null;
StatusMessage = null;
LoadingStateChanged = null;
AddressChanged = null;
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (Bitmap != null)
{
Bitmap.Dispose();
Bitmap = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
// Release reference to handlers, make sure this is done after we dispose managedCefBrowserAdapter
// otherwise the ILifeSpanHandler.DoClose will not be invoked. (More important in the WinForms version,
// we do it here for consistency)
this.SetHandlersToNull();
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control" /> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadingStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
}
// Release reference to handlers, make sure this is done after we dispose managedCefBrowserAdapter
// otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNull();
base.Dispose(disposing);
}
protected virtual void Dispose(bool disposing)
{
// Don't reference handlers any longer:
this.SetHandlersToNull();
// Don't reference event listeners any longer:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
ConsoleMessage = null;
BrowserInitialized = null;
StatusMessage = null;
LoadingStateChanged = null;
AddressChanged = null;
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control" /> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
// Don't utilize any of the handlers anymore:
this.SetHandlersToNull();
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadingStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
}
base.Dispose(disposing);
}
protected virtual void Dispose(bool isdisposing)
{
Cef.RemoveDisposable(this);
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
RemoveSourceHook();
DoInUi(() => WebBrowser = null);
managedCefBrowserAdapter = null;
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
}
protected override void Dispose(bool disposing)
{
FocusHandler = null;
ResourceHandler = null;
BrowserSettings.Dispose();
BrowserSettings = null;
Cef.RemoveDisposable(this);
if (disposing)
{
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
}
base.Dispose(disposing);
}
private void InternalDispose(bool disposing)
{
if (disposing)
{
IsBrowserInitialized = false;
// Don't maintain a reference to event listeners anylonger:
AddressChanged = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
IsBrowserInitializedChanged = null;
LoadError = null;
LoadingStateChanged = null;
StatusMessage = null;
TitleChanged = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNullExceptLifeSpan();
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
public void Dispose()
{
Cef.RemoveDisposable(this);
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
GC.SuppressFinalize(this);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources for the <see cref="ChromiumWebBrowser"/>
/// </summary>
/// <param name="disposing"><see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
// Attempt to move the disposeSignaled state from 0 to 1. If successful, we can be assured that
// this thread is the first thread to do so, and can safely dispose of the object.
if (Interlocked.CompareExchange(ref disposeSignaled, 1, 0) != 0)
{
return;
}
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't reference event listeners any longer:
AddressChanged = null;
BrowserInitialized = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
LoadError = null;
LoadingStateChanged = null;
Paint = null;
StatusMessage = null;
TitleChanged = null;
// Release reference to handlers, make sure this is done after we dispose managedCefBrowserAdapter
// otherwise the ILifeSpanHandler.DoClose will not be invoked. (More important in the WinForms version,
// we do it here for consistency)
this.SetHandlersToNull();
}
Cef.RemoveDisposable(this);
}
protected virtual void Dispose(bool isdisposing)
{
PresentationSource.RemoveSourceChangedHandler(this, PresentationSourceChangedHandler);
BrowserSettings.Dispose();
BrowserSettings = null;
ResourceHandler = null;
Loaded -= OnLoaded;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
// Drag Drop events
DragEnter -= OnDragEnter;
DragOver -= OnDragOver;
DragLeave -= OnDragLeave;
Drop -= OnDrop;
IsVisibleChanged -= OnIsVisibleChanged;
Cef.RemoveDisposable(this);
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
UiThreadRunAsync(() => WebBrowser = null);
managedCefBrowserAdapter = null;
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
}
private void RemoveFromListOfCefBrowsers()
{
Cef.RemoveDisposable(this);
}
protected virtual void Dispose(bool isdisposing)
{
//Check if alreadty disposed
if (Interlocked.Increment(ref disposeCount) == 1)
{
// No longer reference event listeners:
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
LoadingStateChanged = null;
Rendering = null;
// No longer reference handlers:
this.SetHandlersToNull();
if (isdisposing)
{
browser = null;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
PresentationSource.RemoveSourceChangedHandler(this, PresentationSourceChangedHandler);
// Release internal event listeners:
Loaded -= OnLoaded;
SizeChanged -= OnActualSizeChanged;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
// Release internal event listeners for Drag Drop events:
DragEnter -= OnDragEnter;
DragOver -= OnDragOver;
DragLeave -= OnDragLeave;
Drop -= OnDrop;
IsVisibleChanged -= OnIsVisibleChanged;
if (tooltipTimer != null)
{
tooltipTimer.Tick -= OnTooltipTimerTick;
}
if (CleanupElement != null)
{
CleanupElement.Unloaded -= OnCleanupElementUnloaded;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
browserInitialized = false;
UiThreadRunAsync(() =>
{
SetCurrentValue(IsBrowserInitializedProperty, false);
WebBrowser = null;
});
}
Cef.RemoveDisposable(this);
RemoveSourceHook();
}
}