public ShellNode(ShellBrowser browser, IntPtr pidl, IntPtr shellFolderPtr)
{
this.Browser = browser;
this.shellFolderPtr = shellFolderPtr;
this.shellFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(shellFolderPtr, typeof(IShellFolder));
this.SubFiles = new ShellItemCollection(this);
this.SubFolders = new ShellItemCollection(this);
PIDLRel = new Pidl(pidl, false);
Text = "Desktop";
Path = "Desktop";
SetAttributesDesktop(this);
ShFileInfo info = new ShFileInfo();
Shell32.SHGetFileInfo(PIDLRel.Ptr, 0, ref info, Marshal.SizeOf(info), SHGFI.Pidl | SHGFI.TypeName | SHGFI.SysIconIndex);
Type = info.TypeName;
ShellImageList.SetIconIndex(this, info.IconIndex, false);
ShellImageList.SetIconIndex(this, info.IconIndex, true);
SortFlag = 1;
}
public Pidl(Pidl pidl, bool clone)
{
if (clone)
{
this.Ptr = ILClone(pidl.Ptr);
}
else
{
this.Ptr = pidl.Ptr;
}
}
public ShellNode(ShellBrowser browser, ShellNode parentItem, IntPtr pidl)
{
this.Browser = browser;
this.ParentItem = parentItem;
PIDLRel = new Pidl(pidl, false);
SetText(this);
SetPath(this);
SetAttributesFile(this);
SetInfo(this);
SortFlag = MakeSortFlag(this);
}
public ShellNode(ShellBrowser browser, ShellNode parentItem, IntPtr pidl, IntPtr shellFolderPtr)
{
this.Browser = browser;
this.ParentItem = parentItem;
this.shellFolderPtr = shellFolderPtr;
this.shellFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(shellFolderPtr, typeof(IShellFolder));
SubFiles = new ShellItemCollection(this);
SubFolders = new ShellItemCollection(this);
PIDLRel = new Pidl(pidl, false);
SetText(this);
SetPath(this);
SetAttributesFolder(this);
SetInfo(this);
SortFlag = MakeSortFlag(this);
}
public ShellNode GetShellItem(Pidl pidlFull)
{
ShellNode current = DesktopItem;
if (pidlFull.Ptr == IntPtr.Zero)
{
return current;
}
foreach (IntPtr pidlRel in pidlFull)
{
int index;
if ((index = current.IndexOf(pidlRel)) > -1)
{
current = current[index];
}
else
{
current = null;
break;
}
}
return current;
}
public void Update(IntPtr newPidlFull, ShellItemUpdateType changeType)
{
Browser.UpdateCondition.ContinueUpdate = false;
lock (Browser)
{
#region Change Pidl and ShellFolder
if (newPidlFull != IntPtr.Zero)
{
IntPtr tempPidl = Pidl.ILClone(Pidl.ILFindLastID(newPidlFull)), newPidlRel, newShellFolderPtr;
Shell32.SHGetRealIDL(ParentItem.ShellFolder, tempPidl, out newPidlRel);
if (IsFolder && ParentItem.ShellFolder.BindToObject(newPidlRel, IntPtr.Zero, ref ShellGuids.IShellFolder, out newShellFolderPtr) == 0)
{
Marshal.ReleaseComObject(shellFolder);
Marshal.Release(shellFolderPtr);
PIDLRel.Free();
shellFolderPtr = newShellFolderPtr;
shellFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(shellFolderPtr, typeof(IShellFolder));
PIDLRel = new Pidl(newPidlRel, false);
foreach (ShellNode child in SubFolders)
{
UpdateShellFolders(child);
}
}
else
{
PIDLRel.Free();
PIDLRel = new Pidl(newPidlRel, false);
}
Marshal.FreeCoTaskMem(tempPidl);
Marshal.FreeCoTaskMem(newPidlFull);
}
#endregion
#region Make Other Changes
switch (changeType)
{
case ShellItemUpdateType.Renamed:
SetText(this);
SetPath(this);
break;
case ShellItemUpdateType.Updated:
if (IsFolder)
{
SetAttributesFolder(this);
}
else
{
SetAttributesFile(this);
}
break;
case ShellItemUpdateType.MediaChange:
SetInfo(this);
Clear(true, true);
break;
case ShellItemUpdateType.IconChange:
SetInfo(this);
break;
}
#endregion
}
Browser.OnShellItemUpdate(ParentItem, new ShellItemUpdateEventArgs(this, this, changeType));
}
protected override void WndProc(ref Message m)
{
if (m.Msg == (int)WM.ShNotify)
{
SHNOTIFYSTRUCT shNotify = (SHNOTIFYSTRUCT)Marshal.PtrToStructure(m.WParam, typeof(SHNOTIFYSTRUCT));
//Console.Out.WriteLine("Event: {0}", (SHCNE)m.LParam);
//if (shNotify.dwItem1 != IntPtr.Zero)
//PIDL.Write(shNotify.dwItem1);
//if (shNotify.dwItem2 != IntPtr.Zero)
//PIDL.Write(shNotify.dwItem2);
switch ((SHCNE)m.LParam)
{
#region File Changes
case SHCNE.Create:
#region Create Item
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child, relative;
Pidl.SplitPidl(shNotify.dwItem1, out parent, out child);
Pidl parentPIDL = new Pidl(parent, false);
ShellNode parentItem = browser.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.FilesExpanded && !parentItem.SubFiles.Contains(child))
{
Shell32.SHGetRealIDL(parentItem.ShellFolder, child, out relative);
parentItem.AddItem(new ShellNode(browser, parentItem, relative));
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case SHCNE.RenameItem:
#region Rename Item
{
if (!Pidl.IsEmpty(shNotify.dwItem1) && !Pidl.IsEmpty(shNotify.dwItem2))
{
ShellNode item = browser.GetShellItem(new Pidl(shNotify.dwItem1, true));
if (item != null)
{
item.Update(shNotify.dwItem2, ShellItemUpdateType.Renamed);
}
}
}
#endregion
break;
case SHCNE.Delete:
#region Delete Item
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child;
Pidl.SplitPidl(shNotify.dwItem1, out parent, out child);
Pidl parentPIDL = new Pidl(parent, false);
ShellNode parentItem = browser.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.SubFiles.Contains(child))
{
parentItem.RemoveItem(parentItem.SubFiles[child]);
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case SHCNE.UpdateItem:
#region Update Item
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
ShellNode item = browser.GetShellItem(new Pidl(shNotify.dwItem1, true));
if (item != null)
{
Console.Out.WriteLine("Item: {0}", item);
item.Update(IntPtr.Zero, ShellItemUpdateType.Updated);
item.Update(IntPtr.Zero, ShellItemUpdateType.IconChange);
}
}
}
#endregion
break;
#endregion
#region Folder Changes
case SHCNE.MkDir:
case SHCNE.DriveAdd:
case SHCNE.DriveAddGui:
#region Make Directory
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child, relative;
Pidl.SplitPidl(shNotify.dwItem1, out parent, out child);
Pidl parentPIDL = new Pidl(parent, false);
ShellNode parentItem = browser.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.FoldersExpanded && !parentItem.SubFolders.Contains(child))
{
Shell32.SHGetRealIDL(parentItem.ShellFolder, child, out relative);
IntPtr shellFolderPtr;
if (parentItem.ShellFolder.BindToObject(relative, IntPtr.Zero, ref ShellGuids.IShellFolder, out shellFolderPtr) == 0)
{
parentItem.AddItem(new ShellNode(browser, parentItem, relative, shellFolderPtr));
}
else
{
Marshal.FreeCoTaskMem(relative);
}
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case SHCNE.RenameFolder:
#region Rename Directory
{
if (!Pidl.IsEmpty(shNotify.dwItem1) && !Pidl.IsEmpty(shNotify.dwItem2))
{
ShellNode item = browser.GetShellItem(new Pidl(shNotify.dwItem1, false));
if (item != null)
{
//Console.Out.WriteLine("Update: {0}", item);
item.Update(shNotify.dwItem2, ShellItemUpdateType.Renamed);
}
}
}
#endregion
break;
case SHCNE.RmDir:
case SHCNE.DriveRemoved:
#region Remove Directory
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child;
Pidl.SplitPidl(shNotify.dwItem1, out parent, out child);
Pidl parentPIDL = new Pidl(parent, false);
ShellNode parentItem = browser.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.SubFolders.Contains(child))
{
parentItem.RemoveItem(parentItem.SubFolders[child]);
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case SHCNE.UpdateDir:
case SHCNE.Attributes:
#region Update Directory
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
ShellNode item = browser.GetShellItem(new Pidl(shNotify.dwItem1, true));
if (item != null)
{
item.Update(IntPtr.Zero, ShellItemUpdateType.Updated);
item.Update(IntPtr.Zero, ShellItemUpdateType.IconChange);
}
}
}
#endregion
break;
case SHCNE.MediaInserted:
case SHCNE.MediaRemoved:
#region Media Change
{
if (!Pidl.IsEmpty(shNotify.dwItem1))
{
ShellNode item = browser.GetShellItem(new Pidl(shNotify.dwItem1, true));
if (item != null)
{
item.Update(IntPtr.Zero, ShellItemUpdateType.MediaChange);
}
}
}
#endregion
break;
#endregion
#region Other Changes
case SHCNE.AssocChanged:
#region Update Images
{
}
#endregion
break;
case SHCNE.NetShare:
case SHCNE.NetUnshare:
break;
case SHCNE.UpdateImage:
UpdateRecycleBin();
break;
#endregion
}
}
base.WndProc(ref m);
}
