private void UnadviseNotifySink()
{
Debug.Assert(_cookie != UnsafeNativeMethods.TF_INVALID_COOKIE, "Cookie is not set.");
UnsafeNativeMethods.ITfSource source = _ipp.Value as UnsafeNativeMethods.ITfSource;
source.UnadviseSink(_cookie);
_cookie = UnsafeNativeMethods.TF_INVALID_COOKIE;
}
/// <summary>
/// Unadvise the notify sink of the compartment update.
/// </summary>
internal void UnadviseNotifySink()
{
Debug.Assert(_cookie != UnsafeNativeMethods.TF_INVALID_COOKIE, "cookie is not set.");
UnsafeNativeMethods.ITfCompartment compartment = GetITfCompartment();
if (compartment == null)
{
return;
}
UnsafeNativeMethods.ITfSource source = compartment as UnsafeNativeMethods.ITfSource;
source.UnadviseSink(_cookie);
_cookie = UnsafeNativeMethods.TF_INVALID_COOKIE;
Marshal.ReleaseComObject(compartment);
Marshal.ReleaseComObject(source);
}
private object OnUnregisterTextStore(object arg)
{
if (this._threadManager == null || this._threadManager.Value == null)
{
return(null);
}
SecurityPermission securityPermission = new SecurityPermission(SecurityPermissionFlag.UnmanagedCode);
TextStore textStore = (TextStore)arg;
if (textStore.ThreadFocusCookie != -1)
{
UnsafeNativeMethods.ITfSource tfSource = this._threadManager.Value as UnsafeNativeMethods.ITfSource;
tfSource.UnadviseSink(textStore.ThreadFocusCookie);
textStore.ThreadFocusCookie = -1;
}
UnsafeNativeMethods.ITfContext tfContext;
textStore.DocumentManager.GetBase(out tfContext);
if (tfContext != null)
{
if (textStore.EditSinkCookie != -1)
{
UnsafeNativeMethods.ITfSource tfSource = tfContext as UnsafeNativeMethods.ITfSource;
tfSource.UnadviseSink(textStore.EditSinkCookie);
textStore.EditSinkCookie = -1;
}
Marshal.ReleaseComObject(tfContext);
}
securityPermission.Assert();
try
{
textStore.DocumentManager.Pop(UnsafeNativeMethods.PopFlags.TF_POPF_ALL);
}
finally
{
CodeAccessPermission.RevertAssert();
}
Marshal.ReleaseComObject(textStore.DocumentManager);
textStore.DocumentManager = null;
this._registeredtextstorecount--;
if (this._isDispatcherShutdownFinished && this._registeredtextstorecount == 0)
{
this.DeactivateThreadManager();
}
return(null);
}
internal static void StopTransitoryExtension(TextStore textstore)
{
UnsafeNativeMethods.ITfCompartmentMgr tfCompartmentMgr = textstore.DocumentManager as UnsafeNativeMethods.ITfCompartmentMgr;
if (textstore.TransitoryExtensionSinkCookie != -1)
{
UnsafeNativeMethods.ITfSource tfSource = textstore.DocumentManager as UnsafeNativeMethods.ITfSource;
if (tfSource != null)
{
tfSource.UnadviseSink(textstore.TransitoryExtensionSinkCookie);
}
textstore.TransitoryExtensionSinkCookie = -1;
}
Guid guid_COMPARTMENT_TRANSITORYEXTENSION = UnsafeNativeMethods.GUID_COMPARTMENT_TRANSITORYEXTENSION;
UnsafeNativeMethods.ITfCompartment tfCompartment;
tfCompartmentMgr.GetCompartment(ref guid_COMPARTMENT_TRANSITORYEXTENSION, out tfCompartment);
object obj = 0;
tfCompartment.SetValue(0, ref obj);
Marshal.ReleaseComObject(tfCompartment);
}