internal static List <Folder> GetRootFolders(MtpDevice device)
{
List <Folder> folders = new List <Folder>();
using (FolderHandle handle = GetFolderList(device.Handle))
{
for (IntPtr ptr = handle.DangerousGetHandle(); ptr != IntPtr.Zero;)
{
FolderStruct folder = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
folders.Add(new Folder(folder, device));
ptr = folder.sibling;
}
return(folders);
}
}
public Folder AddChild(string name)
{
if (string.IsNullOrEmpty(name))
throw new ArgumentNullException("name");
// First create the folder on the device and check for error
uint id = CreateFolder (device.Handle, name, FolderId);
FolderStruct f = new FolderStruct();
f.folder_id = id;
f.parent_id = FolderId;
f.name = name;
return new Folder(f, device);
}
public Folder AddChild(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
// First create the folder on the device and check for error
uint id = CreateFolder(device.Handle, name, FolderId);
FolderStruct f = new FolderStruct();
f.folder_id = id;
f.parent_id = FolderId;
f.name = name;
return(new Folder(f, device));
}
internal static List <Folder> GetRootFolders(MtpDevice device)
{
List <Folder> folders = new List <Folder>();
IntPtr root = GetFolderList(device.Handle);
try {
for (IntPtr ptr = root; ptr != IntPtr.Zero;)
{
FolderStruct folder = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
folders.Add(new Folder(folder, device));
ptr = folder.sibling;
}
} finally {
// Recursively destroy the folder tree
LIBMTP_destroy_folder_t(root);
}
return(folders);
}
public List <Folder> GetChildren()
{
IntPtr root = GetFolderList(device.Handle);
IntPtr ptr = Find(root, folderId);
FolderStruct f = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
ptr = f.child;
List <Folder> folders = new List <Folder>();
while (ptr != IntPtr.Zero)
{
FolderStruct folder = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
folders.Add(new Folder(folder, device));
ptr = folder.sibling;
}
LIBMTP_destroy_folder_t(root);
return(folders);
}
public List <Folder> GetChildren()
{
using (FolderHandle handle = GetFolderList(device.Handle))
{
// Find the pointer to the folderstruct representing this folder
IntPtr ptr = handle.DangerousGetHandle();
ptr = Find(ptr, folderId);
FolderStruct f = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
ptr = f.child;
List <Folder> folders = new List <Folder>();
while (ptr != IntPtr.Zero)
{
FolderStruct folder = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
folders.Add(new Folder(folder, device));
ptr = folder.sibling;
}
return(folders);
}
}
internal static Folder Find(MtpDevice device, uint folderId)
{
if (device == null)
{
throw new ArgumentNullException("device");
}
Folder folder = null;
IntPtr root = GetFolderList(device.Handle);
try {
IntPtr ptr = Find(root, folderId);
if (ptr != IntPtr.Zero)
{
FolderStruct folderStruct = (FolderStruct)Marshal.PtrToStructure(ptr, typeof(FolderStruct));
folder = new Folder(folderStruct, device);
}
} finally {
DestroyFolder(root);
}
return(folder);
}
internal Folder (FolderStruct folder, MtpDevice device)
: this (folder.folder_id, folder.parent_id, folder.name, device)
{
}
internal Folder(FolderStruct folder, MtpDevice device)
: this(folder.folder_id, folder.parent_id, folder.name, device)
{
}