private static string PinvokePath(Guid guid, KnownFolderFlag flags)
{
SHGetKnownFolderPath(guid, (uint)flags, IntPtr.Zero, out var pPath); // public documents
string path = Marshal.PtrToStringUni(pPath);
Marshal.FreeCoTaskMem(pPath);
return(path);
}
private static string pinvokePath(KnownFolderFlag flags)
{
IntPtr pPath;
SHGetKnownFolderPath(CommonDocumentsGuid, (uint)flags, IntPtr.Zero, out pPath); // public documents
string path = System.Runtime.InteropServices.Marshal.PtrToStringUni(pPath);
System.Runtime.InteropServices.Marshal.FreeCoTaskMem(pPath);
return(path);
}
public static void EnumerateKnownFolders()
{
KnownFolderFlag[] flags = new KnownFolderFlag[] {
KnownFolderFlag.None,
KnownFolderFlag.ALIAS_ONLY | KnownFolderFlag.DONT_VERFIY,
KnownFolderFlag.DEFAULT_PATH | KnownFolderFlag.NOT_PARENT_RELATIVE,
};
foreach (var flag in flags)
{
Console.WriteLine(string.Format("{0}; P/Invoke==>{1}", flag, pinvokePath(flag)));
}
Console.ReadLine();
}
public static void EnumerateKnownFolders()
{
KnownFolderFlag[] flags = new KnownFolderFlag[] {
KnownFolderFlag.KF_FLAG_DEFAULT,
KnownFolderFlag.KF_FLAG_ALIAS_ONLY | KnownFolderFlag.KF_FLAG_DONT_VERIFY,
KnownFolderFlag.KF_FLAG_DEFAULT_PATH | KnownFolderFlag.KF_FLAG_NOT_PARENT_RELATIVE,
};
foreach (var flag in flags)
{
Console.WriteLine(string.Format("{0}; P/Invoke==>{1}\n", flag, pinvokePath(CommonDocumentsGuid, flag)));
}
Console.ReadLine();
}
public static void EnumerateKnownFolders()
{
KnownFolderFlag[] flags = new KnownFolderFlag[]
{
KnownFolderFlag.None,
KnownFolderFlag.ALIAS_ONLY | KnownFolderFlag.DONT_VERFIY,
KnownFolderFlag.DEFAULT_PATH | KnownFolderFlag.NOT_PARENT_RELATIVE,
};
foreach (var flag in flags)
{
Console.WriteLine($@"{flag}; P/Invoke==>{PinvokePath(CommonDocumentsGuid, flag)}");
}
Console.ReadLine();
}
public static string GetKnownFolderPath(Guid guid, KnownFolderFlag flags)
{
uint result = SHGetKnownFolderPath(guid, (uint)flags, IntPtr.Zero, out IntPtr pPath);
try
{
if (result == S_OK)
{
string path = Marshal.PtrToStringUni(pPath);
return(path);
}
else
{
return(null);
}
}
finally
{
Marshal.FreeCoTaskMem(pPath);
}
}
