public void OnClose( bool isFinilizing )
{
if ( Instance != IntPtr.Zero )
{
// We do not even need to care about WebCore.DestroyView,
// if we reached here from a finalizer. The WebCore keeps
// a reference of all created views. We would not reach
// here from a finalizer if the core is not dying too.
if ( !isFinilizing )
{
if ( hookAdded )
{
if ( hwndSource != null )
{
hwndSource.RemoveHook( HandleMessages );
hookAdded = false;
}
ComponentDispatcher.ThreadFilterMessage -= OnThreadFilterMessage;
}
this.ClearDelegates();
controlLayer = null;
toolTip = null;
this.Loaded -= OnLoaded;
this.Unloaded -= OnUnloaded;
this.IsEnabledChanged -= OnIsEnabledChanged;
WebCore.DestroyView( this );
GC.SuppressFinalize( this );
}
Instance = IntPtr.Zero;
}
}
/// <summary>
/// Creates and initializes an instance of <see cref="WebControl"/> and its underlying web view.
/// </summary>
public WebControl()
{
if ( this.IsSourceControl )
this.SetValue( WebControl.IsSourceControlPropertyKey, true );
controlLayer = new WebControlInvalidLayer( this );
this.IsEnabledChanged += OnIsEnabledChanged;
if ( DesignerProperties.GetIsInDesignMode( this ) )
return;
toolTip = new ToolTip();
selectionHelper = new SelectionHelper( this, OnWebSelectionChanged );
InitializeCore();
InitializeDelegates( this.Instance );
InitializeCommandBindings();
findRequestRandomizer = new Random();
this.Loaded += OnLoaded;
this.Unloaded += OnUnloaded;
needsResize = false;
flushAplha = true;
}