/// <summary>
/// Return all folders in a Library
/// <remarks>This method requires a write access to the library to be able to reflect a folder move or delete change</remarks>
/// </summary>
/// <returns>A list of folders</returns>
public IList <string> GetFolders()
{
IShellItemArray itemArray;
Guid shellItemArrayGuid = new Guid(Microsoft.SDK.Samples.VistaBridge.Interop.IIDGuid.IShellItemArray);
try
{
_shellLibrary.GetFolders(Windows7.DesktopIntegration.Interop.SafeNativeMethods.LIBRARYFOLDERFILTER.LFF_ALLITEMS, ref shellItemArrayGuid, out itemArray);
}
catch
{
return(new List <string>());
}
uint count;
itemArray.GetCount(out count);
List <string> result = new List <string>((int)count);
for (uint i = 0; i < count; ++i)
{
string filePath;
IShellItem shellItem;
itemArray.GetItemAt(i, out shellItem);
try
{
IShellItem resolvedShellItem;
Guid shellItemGuid = new Guid(Microsoft.SDK.Samples.VistaBridge.Interop.IIDGuid.IShellItem);
_shellLibrary.ResolveFolder(shellItem, 1000, ref shellItemGuid, out resolvedShellItem);
resolvedShellItem.GetDisplayName(Microsoft.SDK.Samples.VistaBridge.Interop.SafeNativeMethods.SIGDN.SIGDN_FILESYSPATH, out filePath);
Marshal.ReleaseComObject(resolvedShellItem);
}
catch
{
//If we can't resolve the folder, we will return the original shell item
shellItem.GetDisplayName(Microsoft.SDK.Samples.VistaBridge.Interop.SafeNativeMethods.SIGDN.SIGDN_FILESYSPATH, out filePath);
}
Marshal.ReleaseComObject(shellItem);
result.Add(filePath);
}
Marshal.ReleaseComObject(itemArray);
return(result);
}
