public WebViewCompatible()
: base()
{
if (WebViewControlHost.IsSupported && WebViewControlHost.CanCreateWebViewControlHost().Result)
{
_implementation = new WebViewCompatibilityAdapter();
}
else
{
_implementation = new WebBrowserCompatibilityAdapter();
}
_implementation.Initialize();
AddChild(_implementation.View);
_implementation.View.BeginInit();
_implementation.View.EndInit();
var binder = new Binding()
{
Source = _implementation,
Path = new PropertyPath(nameof(Source)),
Mode = BindingMode.TwoWay
};
BindingOperations.SetBinding(this, SourceProperty, binder);
}
internal WebView(WebViewControlHost webViewControl)
: this()
{
_webViewControl = webViewControl ?? throw new ArgumentNullException(nameof(webViewControl));
Process = _webViewControl.Process;
EnsureInitialized();
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="System.Windows.Forms.Control" /> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing"><see langword="true" /> to release both managed and unmanaged resources; <see langword="false" /> to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
try
{
if (disposing)
{
Close();
_webViewControl?.Dispose();
_webViewControl = null;
Process = null;
}
}
finally
{
base.Dispose(disposing);
}
}
/// <summary>
/// Closes this control.
/// </summary>
public void Close()
{
var webViewControlAlreadyClosed = _webViewControlClosed;
_webViewControlClosed = true;
// Unsubscribe all events:
UnsubscribeEvents();
if (!webViewControlAlreadyClosed)
{
_webViewControl?.Close();
_webViewControl?.Dispose();
}
_webViewControl = null;
Process = null;
}
/// <summary>
/// Updates the location and size of <see cref="WebView"/>.
/// </summary>
/// <param name="host">A <see cref="WebViewControlHost"/> instance</param>
/// <param name="bounds">A <see cref="Rectangle"/> containing numerical values that represent the location and size of the control.</param>
/// <seealso cref="WebViewControlHost.UpdateBounds"/>
/// <exception cref="ArgumentNullException"><paramref name="host"/> is <see langword="null"/>.</exception>
/// <remarks><paramref name="bounds" /> is translated into a <seealso cref="Windows.Foundation.Rect(double, double, double, double)"/>.</remarks>
internal static void UpdateBounds(this WebViewControlHost host, Rectangle bounds)
{
Windows.Foundation.Rect CreateBounds()
{
return(new Windows.Foundation.Rect(
bounds.X,
bounds.Y,
bounds.Width,
bounds.Height));
}
if (host is null)
{
throw new ArgumentNullException(nameof(host));
}
host.UpdateBounds(CreateBounds());
}
internal WebView(WebViewControlHost webViewControl)
: this()
{
_webViewControl = webViewControl ?? throw new ArgumentNullException(nameof(webViewControl));
_process = webViewControl.Process;
}
