pxt-calliope/clients/winuploader/Microbit.Uploader/KnownFolders.cs

33 lines
1.1 KiB
C#
Raw Normal View History

using System;
using System.Diagnostics.CodeAnalysis;
using System.Management;
using System.Runtime.InteropServices;
using System.Security;
namespace Microsoft.MicroBit
{
/// <summary>
/// Class containing methods to retrieve specific file system paths.
/// </summary>
internal static class KnownFoldersNativeMethods
{
[SecurityCritical]
[SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate")]
public static string GetDownloadPath()
{
IntPtr outPath;
int result = SHGetKnownFolderPath(new Guid("{374DE290-123F-4565-9164-39C4925E467B}"), 0x00004000, new IntPtr(0), out outPath);
if (result >= 0)
return Marshal.PtrToStringUni(outPath);
else return null;
}
[SuppressMessage("Microsoft.Security", "CA5122:PInvokesShouldNotBeSafeCriticalFxCopRule")]
[DllImport("Shell32.dll")]
[SecurityCritical]
private static extern int SHGetKnownFolderPath(
[MarshalAs(UnmanagedType.LPStruct)]Guid rfid, uint dwFlags, IntPtr hToken,
out IntPtr ppszPath);
}
}