internal void ConnectToView(IShellView psv)
{
DisconnectFromView();
HResult hr = psv.GetItemObject(
ShellViewGetItemObject.Background,
ref IID_IDispatch,
out viewDispatch);
if (hr == HResult.Ok)
{
hr = ExplorerBrowserNativeMethods.ConnectToConnectionPoint(
this,
ref IID_DShellFolderViewEvents,
true,
viewDispatch,
ref viewConnectionPointCookie,
ref nullPtr);
if (hr != HResult.Ok)
{
Marshal.ReleaseComObject(viewDispatch);
}
}
}
internal void ConnectToView(IShellView psv)
{
DisconnectFromView( );
HRESULT hr = psv.GetItemObject(
SVGIO.SVGIO_BACKGROUND,
ref IID_IDispatch,
out viewDispatch);
if (hr == HRESULT.S_OK)
{
hr = ExplorerBrowserNativeMethods.ConnectToConnectionPoint(
this,
ref IID_DShellFolderViewEvents,
true,
viewDispatch,
ref viewConnectionPointCookie,
ref nullPtr);
if (hr != HRESULT.S_OK)
{
Marshal.ReleaseComObject(viewDispatch);
}
}
}
internal void DisconnectFromView()
{
if (viewDispatch != null)
{
ExplorerBrowserNativeMethods.ConnectToConnectionPoint(
IntPtr.Zero,
ref IID_DShellFolderViewEvents,
false,
viewDispatch,
ref viewConnectionPointCookie,
ref nullPtr);
Marshal.ReleaseComObject(viewDispatch);
viewDispatch = null;
viewConnectionPointCookie = 0;
}
}
