protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (_inner != null)
{
_inner?.Dispose();
_inner = null;
}
if (_baseIDocHostUIHandler != null && Marshal.IsComObject(_baseIDocHostUIHandler))
{
Marshal.ReleaseComObject(_baseIDocHostUIHandler);
_baseIDocHostUIHandler = null;
}
if (_unkInnerAggregated != IntPtr.Zero)
{
Marshal.Release(_unkInnerAggregated);
_unkInnerAggregated = IntPtr.Zero;
}
if (_unkOuter != IntPtr.Zero)
{
Marshal.Release(_unkOuter);
_unkOuter = IntPtr.Zero;
}
}
public DCWebBrowserSite(WebBrowser host) : base(host)
{
// get the CCW object for this
_unkOuter = Marshal.GetIUnknownForObject(this);
Marshal.AddRef(_unkOuter);
try
{
// aggregate the CCW object with the helper Inner object
_inner = new Inner(this);
_unkInnerAggregated = Marshal.CreateAggregatedObject(_unkOuter, _inner);
// obtain private WebBrowserSite COM interfaces
_baseIDocHostUIHandler = (UnsafeNativeMethods.IDocHostUIHandler)Marshal.GetTypedObjectForIUnknown(_unkInnerAggregated, typeof(UnsafeNativeMethods.IDocHostUIHandler));
}
finally
{
Marshal.Release(_unkOuter);
}
}