public void Clear()
{
PROPVARIANT var = this;
PropVariantClear(ref var);
vt = (ushort)VarEnum.VT_EMPTY;
wReserved1 = wReserved2 = wReserved3 = 0;
p = IntPtr.Zero;
p2 = 0;
}
private static IShellLink CreateShellLink (string title, string path, string arguments, string icon_path, int icon_pos)
{
try {
IShellLink shell_link = (IShellLink) Activator.CreateInstance (Type.GetTypeFromCLSID (CLSID.ShellLink));
shell_link.SetPath (path);
if (!string.IsNullOrEmpty (arguments))
shell_link.SetArguments (arguments);
if (!string.IsNullOrEmpty (icon_path))
shell_link.SetIconLocation (icon_path, icon_pos);
IntPtr pps;
Guid ipsiid = CLSID.IPropertyStore;
Marshal.QueryInterface (Marshal.GetIUnknownForObject (shell_link), ref ipsiid, out pps);
IPropertyStore property_store = (IPropertyStore) Marshal.GetTypedObjectForIUnknown (pps, typeof (IPropertyStore));
PROPVARIANT propvar = new PROPVARIANT ();
propvar.SetString (title);
// PKEY_Title
PROPERTYKEY PKEY_Title = new PROPERTYKEY ();
PKEY_Title.fmtid = new Guid ("F29F85E0-4FF9-1068-AB91-08002B27B3D9");
PKEY_Title.pid = 2;
property_store.SetValue (ref PKEY_Title, ref propvar);
property_store.Commit ();
IntPtr psl;
Guid psliid = CLSID.IShellLinkW;
Marshal.QueryInterface (Marshal.GetIUnknownForObject (shell_link), ref psliid, out psl);
IShellLink link = (IShellLink) Marshal.GetTypedObjectForIUnknown (psl, typeof (IShellLink));
propvar.Clear ();
Marshal.ReleaseComObject (property_store);
property_store = null;
Marshal.ReleaseComObject (shell_link);
shell_link = null;
return link;
} catch (COMException e) {
Logger.Error ("Error createing shell link: {0}\n{1}", e.Message, e.StackTrace);
}
return null;
}
private extern static int PropVariantClear (ref PROPVARIANT pvar);
private extern static int PropVariantClear(ref PROPVARIANT pvar);