public virtual void Release()
{
canvasHWND = IntPtr.Zero;
mainHWND = IntPtr.Zero;
if (m_pDWebBrowserEvents2 != null)
{
Marshal.ReleaseComObject(m_pDWebBrowserEvents2);
m_pDWebBrowserEvents2 = null;
}
if (m_pIWebBrowser2 != null)
{
Marshal.ReleaseComObject(m_pIWebBrowser2);
m_pIWebBrowser2 = null;
}
}
public SetSiteResults SetSiteWithStatus(object pUnkSite)
{
if (m_pIWebBrowser2 != null)
{
Release();
}
if (pUnkSite == null)
{
return(SetSiteResults.NoSite);
}
try
{
MySpace.MSFast.SysImpl.Win32.ComIterop.IServiceProvider pSp = pUnkSite as MySpace.MSFast.SysImpl.Win32.ComIterop.IServiceProvider;
if (pSp == null)
{
Release();
return(SetSiteResults.SiteIsNotServiceProvider);
}
IntPtr ipWb2 = IntPtr.Zero;
pSp.QueryService(ref IID_IWebBrowserApp, ref IID_IWebBrowser2, out ipWb2);
if (ipWb2 == IntPtr.Zero)
{
Marshal.Release(ipWb2);
Release();
return(SetSiteResults.SiteIsNotAWebBrowser);
}
m_pIWebBrowser2 = Marshal.GetObjectForIUnknown(ipWb2) as IWebBrowser2;
Marshal.Release(ipWb2);
if (m_pIWebBrowser2 == null)
{
Release();
return(SetSiteResults.SiteIsNotAWebBrowser);
}
string sHostName = m_pIWebBrowser2.FullName;
if (sHostName == null)
{
Release();
return(SetSiteResults.SiteHasNoName);
}
if (!(sHostName.ToUpper().EndsWith("IEXPLORE.EXE")))
{
Release();
return(SetSiteResults.SiteIsNotIExplorer);
}
m_pDWebBrowserEvents2 = m_pIWebBrowser2 as SHDocVw.DWebBrowserEvents2_Event;
this.mainHWND = (IntPtr)m_pIWebBrowser2.HWND;
if (m_pDWebBrowserEvents2 == null)
{
Release();
return(SetSiteResults.CantRegisterEventHandlers);
}
m_pDWebBrowserEvents2.BeforeNavigate2 += new SHDocVw.DWebBrowserEvents2_BeforeNavigate2EventHandler(this.OnBeforeNavigate);
m_pDWebBrowserEvents2.DocumentComplete += new SHDocVw.DWebBrowserEvents2_DocumentCompleteEventHandler(this.OnDocumentComplete);
m_pDWebBrowserEvents2.OnQuit += new SHDocVw.DWebBrowserEvents2_OnQuitEventHandler(this.OnQuit);
m_pDWebBrowserEvents2.NavigateComplete2 += new DWebBrowserEvents2_NavigateComplete2EventHandler(this.NavigateComplete2);
}
catch
{
Release();
return(SetSiteResults.UnknownException);
}
CheckPageReady();
return(SetSiteResults.Success);
}