public bool IsRelativelyEqual(IDLWrapper idl2, IShellFolder relativeTo)
{
const int SHCIDS_CANONICALONLY = 0x10000000;
return(!ReferenceEquals(idl2, null) && (ReferenceEquals(this, idl2) ||
0 == (0xFFFF & relativeTo.CompareIDs((IntPtr)SHCIDS_CANONICALONLY, PIDL, idl2.PIDL))));
}
public static bool GetIDLHash(IntPtr pIDL, out int hash, out string key)
{
IShellFolder ppshf = null;
IntPtr lParam = (IntPtr)0x10000000;
try {
if (PInvoke.SHGetDesktopFolder(out ppshf) == 0)
{
foreach (string str in dicCacheIDLs.Keys)
{
IntPtr ptr2 = ShellMethods.CreateIDL(dicCacheIDLs[str]);
if (ptr2 != IntPtr.Zero)
{
if (ppshf.CompareIDs(lParam, pIDL, ptr2) == 0)
{
key = str;
PInvoke.CoTaskMemFree(ptr2);
if (int.TryParse(str.Substring(str.IndexOf("???") + 3), out hash))
{
return(true);
}
}
else
{
PInvoke.CoTaskMemFree(ptr2);
}
}
}
}
}
catch {
}
finally {
if (ppshf != null)
{
Marshal.ReleaseComObject(ppshf);
}
}
key = string.Empty;
hash = DateTime.Now.GetHashCode();
return(false);
}
public bool IsRelativelyEqual(IDLWrapper idl2, IShellFolder relativeTo)
{
const int SHCIDS_CANONICALONLY = 0x10000000;
return !ReferenceEquals(idl2, null) && (ReferenceEquals(this, idl2) ||
0 == (0xFFFF & relativeTo.CompareIDs((IntPtr)SHCIDS_CANONICALONLY, PIDL, idl2.PIDL)));
}
public int CompareIDs(IntPtr lParam, IntPtr pidl1, IntPtr pidl2)
{
checkDisposed();
return(_iShellFolder.CompareIDs(lParam, pidl1, pidl2));
}