public static uint RegisterShellNotify(IntPtr handle, ShellAPI.SHChangeNotifyEntry entry)
{
return ShellAPI.SHChangeNotifyRegister(
handle,
ShellAPI.SHCNRF.InterruptLevel | ShellAPI.SHCNRF.ShellLevel,
ShellAPI.SHCNE.ALLEVENTS | ShellAPI.SHCNE.INTERRUPT,
ShellAPI.WM.SH_NOTIFY,
1,
new ShellAPI.SHChangeNotifyEntry[] { entry });
}
public DirectoryInfoEx(ShellAPI.CSIDL csidl)
{
PIDL pidlLookup = CSIDLtoPIDL(csidl);
try
{
init(pidlLookup);
checkProperties();
}
finally
{
if (pidlLookup != null) pidlLookup.Free();
pidlLookup = null;
}
}
public int QueryContinueDrag(bool fEscapePressed, ShellAPI.MK grfKeyState)
{
int retVal = ShellAPI.S_OK;
if (fEscapePressed)
retVal = ShellAPI.DRAGDROP_S_CANCEL;
else
{
if ((startButton & MouseButtons.Left) != 0 && (grfKeyState & ShellAPI.MK.LBUTTON) == 0)
retVal = ShellAPI.DRAGDROP_S_DROP;
else if ((startButton & MouseButtons.Right) != 0 && (grfKeyState & ShellAPI.MK.RBUTTON) == 0)
retVal = ShellAPI.DRAGDROP_S_DROP;
else
retVal = ShellAPI.S_OK;
}
if (retVal == ShellAPI.DRAGDROP_S_DROP)
if (BeforeDrop != null)
BeforeDrop(this, new EventArgs());
return retVal;
}
public int DragOver(ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
bool reset = false;
#region Get DropItem
Point point = br.FolderView.PointToClient(new Point(pt.x, pt.y));
TreeViewHitTestInfo hitTest = br.FolderView.HitTest(point);
if(!TreeNode.Equals(dropNode, hitTest.Node))
{
if(dropTarget != null)
dropTarget.DragLeave();
ReleaseCom();
dropNode = hitTest.Node;
br.FolderView.SelectedNode = dropNode;
if(dropNode == null)
{
pdwEffect = DragDropEffects.None;
if(dropHelper != null)
dropHelper.DragOver(ref pt, pdwEffect);
return ShellAPI.S_OK;
}
else
{
ShellItem item = (ShellItem)dropNode.Tag;
parentDropItem = item;
ShellHelper.GetIDropTarget(item, out dropTargetPtr, out dropTarget);
reset = true;
}
}
else if(dropNode == null)
{
if(dropTarget != null)
dropTarget.DragLeave();
ReleaseCom();
dropNode = null;
br.SelectedNode = null;
pdwEffect = DragDropEffects.None;
if(dropHelper != null)
dropHelper.DragOver(ref pt, pdwEffect);
return ShellAPI.S_OK;
}
#endregion
if(dropTarget != null)
{
if(reset)
dropTarget.DragEnter(dropDataObject, grfKeyState, pt, ref pdwEffect);
else
dropTarget.DragOver(grfKeyState, pt, ref pdwEffect);
}
else
pdwEffect = DragDropEffects.None;
if(dropHelper != null)
dropHelper.DragOver(ref pt, pdwEffect);
return ShellAPI.S_OK;
}
public int DragDrop(IntPtr pDataObj, ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
OnDrop(new DropEventArgs(mouseButtons, br.FolderView));
if(!((mouseButtons & ShellAPI.MK.RBUTTON) != 0 ||
grfKeyState == ShellAPI.MK.CONTROL ||
grfKeyState == ShellAPI.MK.ALT ||
grfKeyState == (ShellAPI.MK.CONTROL | ShellAPI.MK.SHIFT)) && ShellItem.Equals(parentDragItem, parentDropItem))
{
ResetDrop();
ReleaseCom();
pdwEffect = DragDropEffects.None;
if(dropHelper != null)
dropHelper.DragLeave();
return ShellAPI.S_OK;
}
ResetDrop();
if(dropTarget != null)
{
dropTarget.DragDrop(pDataObj, grfKeyState, pt, ref pdwEffect);
ReleaseCom();
dropDataObject = IntPtr.Zero;
}
if(dropHelper != null)
dropHelper.Drop(pDataObj, ref pt, pdwEffect);
return ShellAPI.S_OK;
}
public int OpenStream(string pwcsName, IntPtr reserved1, ShellAPI.STGM grfMode, int reserved2, out IntPtr ppstm)
{
return _iStorage.OpenStream(pwcsName, reserved1, grfMode, reserved2, out ppstm);
}
public int MoveElementTo(string pwcsName, IStorage pstgDest, string pwcsNewName, ShellAPI.STGMOVE grfFlags)
{
return _iStorage.MoveElementTo(pwcsName, pstgDest, pwcsName, grfFlags);
}
public int Commit(ShellAPI.STGC grfCommitFlags)
{
return _iStorage.Commit(grfCommitFlags);
}
public int SetElementTimes(string pwcsName, ShellAPI.FILETIME pctime, ShellAPI.FILETIME patime, ShellAPI.FILETIME pmtime)
{
return _iStorage.SetElementTimes(pwcsName, pctime, patime, pmtime);
}
public static DateTime FileTimeToDateTime(ShellAPI.FILETIME fileTime)
{
long ticks = (((long)fileTime.dwHighDateTime) << 32) + (long)fileTime.dwLowDateTime;
return DateTime.FromFileTimeUtc(ticks);
}
/// <summary>
/// return STATSTG info of a file.
/// </summary>
internal static bool getFileStat(IStorage parentStorage, string filename, out ShellAPI.STATSTG statstg)
{
IntPtr streamPtr = IntPtr.Zero;
IStream stream = null;
statstg = new ShellAPI.STATSTG();
try
{
if (parentStorage.OpenStream(
filename,
IntPtr.Zero,
ShellAPI.STGM.READ,
0,
out streamPtr) == ShellAPI.S_OK)
{
stream = (IStream)Marshal.GetTypedObjectForIUnknown(streamPtr, typeof(IStream));
stream.Stat(out statstg, ShellAPI.STATFLAG.DEFAULT);
return true;
}
}
finally
{
if (stream != null)
{
Marshal.ReleaseComObject(stream);
stream = null;
}
if (streamPtr != IntPtr.Zero)
{
Marshal.Release(streamPtr);
streamPtr = IntPtr.Zero;
}
}
return false;
}
public static bool IsZip(ShellAPI.SFGAO attribs)
{
return ((attribs & ShellAPI.SFGAO.FOLDER) != 0 && (attribs & ShellAPI.SFGAO.STREAM) != 0);
}
/// <summary>
/// Gets the path to the system special folder identified by the specified enumeration.
/// </summary>
public static string GetFolderPath(ShellAPI.CSIDL folder)
{
PIDL pidlLookup = CSIDLtoPIDL(folder);
try
{
return FileSystemInfoEx.PIDLToPath(pidlLookup);
}
finally { if (pidlLookup != null) pidlLookup.Free(); }
}
public static DragDropEffects CanDropClipboard(ShellItem item)
{
IntPtr dataObject;
ShellAPI.OleGetClipboard(out dataObject);
IntPtr targetPtr;
ShellDll.IDropTarget target;
DragDropEffects retVal = DragDropEffects.None;
if (GetIDropTarget(item, out targetPtr, out target))
{
#region Check Copy
DragDropEffects effects = DragDropEffects.Copy;
if (target.DragEnter(
dataObject,
ShellAPI.MK.CONTROL,
new ShellAPI.POINT(0, 0),
ref effects) == ShellAPI.S_OK)
{
if (effects == DragDropEffects.Copy)
{
retVal |= DragDropEffects.Copy;
}
target.DragLeave();
}
#endregion
#region Check Move
effects = DragDropEffects.Move;
if (target.DragEnter(
dataObject,
ShellAPI.MK.SHIFT,
new ShellAPI.POINT(0, 0),
ref effects) == ShellAPI.S_OK)
{
if (effects == DragDropEffects.Move)
{
retVal |= DragDropEffects.Move;
}
target.DragLeave();
}
#endregion
#region Check Lick
effects = DragDropEffects.Link;
if (target.DragEnter(
dataObject,
ShellAPI.MK.ALT,
new ShellAPI.POINT(0, 0),
ref effects) == ShellAPI.S_OK)
{
if (effects == DragDropEffects.Link)
{
retVal |= DragDropEffects.Link;
}
target.DragLeave();
}
#endregion
Marshal.ReleaseComObject(target);
Marshal.Release(targetPtr);
}
return(retVal);
}
protected override void WndProc(ref Message m)
{
if (m.Msg == (int)ShellAPI.WM.SH_NOTIFY)
{
ShellAPI.SHNOTIFYSTRUCT shNotify =
(ShellAPI.SHNOTIFYSTRUCT)Marshal.PtrToStructure(m.WParam, typeof(ShellAPI.SHNOTIFYSTRUCT));
//Console.Out.WriteLine("Event: {0}", (ShellAPI.SHCNE)m.LParam);
//if (shNotify.dwItem1 != IntPtr.Zero)
//PIDL.Write(shNotify.dwItem1);
//if (shNotify.dwItem2 != IntPtr.Zero)
//PIDL.Write(shNotify.dwItem2);
switch ((ShellAPI.SHCNE)m.LParam)
{
#region File Changes
case ShellAPI.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);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.FilesExpanded && !parentItem.SubFiles.Contains(child))
{
ShellAPI.SHGetRealIDL(
parentItem.ShellFolder,
child,
out relative);
parentItem.AddItem(new ShellItem(br, parentItem, relative));
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case ShellAPI.SHCNE.RENAMEITEM:
#region Rename Item
{
if (!PIDL.IsEmpty(shNotify.dwItem1) && !PIDL.IsEmpty(shNotify.dwItem2))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
item.Update(shNotify.dwItem2, ShellItemUpdateType.Renamed);
}
}
}
#endregion
break;
case ShellAPI.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);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.SubFiles.Contains(child))
{
parentItem.RemoveItem(parentItem.SubFiles[child]);
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case ShellAPI.SHCNE.UPDATEITEM:
#region Update Item
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
ShellItem item = br.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 ShellAPI.SHCNE.MKDIR:
case ShellAPI.SHCNE.DRIVEADD:
case ShellAPI.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);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.FoldersExpanded && !parentItem.SubFolders.Contains(child))
{
ShellAPI.SHGetRealIDL(
parentItem.ShellFolder,
child,
out relative);
IntPtr shellFolderPtr;
if (parentItem.ShellFolder.BindToObject(
relative,
IntPtr.Zero,
ref ShellAPI.IID_IShellFolder,
out shellFolderPtr) == ShellAPI.S_OK)
{
parentItem.AddItem(new ShellItem(br, parentItem, relative, shellFolderPtr));
}
else
{
Marshal.FreeCoTaskMem(relative);
}
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case ShellAPI.SHCNE.RENAMEFOLDER:
#region Rename Directory
{
if (!PIDL.IsEmpty(shNotify.dwItem1) && !PIDL.IsEmpty(shNotify.dwItem2))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, false));
if (item != null)
{
//Console.Out.WriteLine("Update: {0}", item);
item.Update(shNotify.dwItem2, ShellItemUpdateType.Renamed);
}
}
}
#endregion
break;
case ShellAPI.SHCNE.RMDIR:
case ShellAPI.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);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.SubFolders.Contains(child))
{
parentItem.RemoveItem(parentItem.SubFolders[child]);
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case ShellAPI.SHCNE.UPDATEDIR:
case ShellAPI.SHCNE.ATTRIBUTES:
#region Update Directory
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
item.Update(IntPtr.Zero, ShellItemUpdateType.Updated);
item.Update(IntPtr.Zero, ShellItemUpdateType.IconChange);
}
}
}
#endregion
break;
case ShellAPI.SHCNE.MEDIAINSERTED:
case ShellAPI.SHCNE.MEDIAREMOVED:
#region Media Change
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
item.Update(IntPtr.Zero, ShellItemUpdateType.MediaChange);
}
}
}
#endregion
break;
#endregion
#region Other Changes
case ShellAPI.SHCNE.ASSOCCHANGED:
#region Update Images
{
}
#endregion
break;
case ShellAPI.SHCNE.NETSHARE:
case ShellAPI.SHCNE.NETUNSHARE:
break;
case ShellAPI.SHCNE.UPDATEIMAGE:
UpdateRecycleBin();
break;
#endregion
}
}
base.WndProc(ref m);
}
public int DragOver(ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
bool reset = false;
#region Get DropItem
Point point = br.FileView.PointToClient(new Point(pt.x, pt.y));
ListViewHitTestInfo hitTest = br.FileView.HitTest(point);
if (hitTest.Item != null &&
(br.FileView.View != View.Details || hitTest.SubItem == null || hitTest.Item.Name == hitTest.SubItem.Name) &&
(hitTest.Location == ListViewHitTestLocations.Image ||
hitTest.Location == ListViewHitTestLocations.Label ||
hitTest.Location == ListViewHitTestLocations.StateImage))
{
if (!hitTest.Item.Equals(dropListItem))
{
if (dropTarget != null)
dropTarget.DragLeave();
ReleaseCom();
if (dropListItem != null)
dropListItem.Selected = wasSelected;
dropListItem = hitTest.Item;
wasSelected = dropListItem.Selected;
dropListItem.Selected = true;
ShellItem item = (ShellItem)dropListItem.Tag;
parentDropItem = item;
ShellHelper.GetIDropTarget(item, out dropTargetPtr, out dropTarget);
reset = true;
}
}
else
{
if (dropListItem != null)
{
if (dropTarget != null)
dropTarget.DragLeave();
ReleaseCom();
dropListItem.Selected = wasSelected;
dropListItem = null;
parentDropItem = br.SelectedItem;
ShellHelper.GetIDropTarget(br.SelectedItem, out dropTargetPtr, out dropTarget);
reset = true;
}
}
#endregion
if (dropTarget != null)
{
if (reset)
dropTarget.DragEnter(dropDataObject, grfKeyState, pt, ref pdwEffect);
else
dropTarget.DragOver(grfKeyState, pt, ref pdwEffect);
}
else
pdwEffect = DragDropEffects.None;
if (dropHelper != null)
dropHelper.DragOver(ref pt, pdwEffect);
return ShellAPI.S_OK;
}
public static Environment.SpecialFolder CSIDLToShellFolder(ShellAPI.CSIDL csidl)
{
var enumerator = _shellFolderLookupDic.GetEnumerator();
while (enumerator.MoveNext())
if (enumerator.Current.Value.Equals(csidl))
return enumerator.Current.Key;
throw new ArgumentException("This CSIDL path not supported");
}
public static extern bool SetMenuItemInfo(
IntPtr hMenu,
uint uItem,
bool fByPos,
ref ShellAPI.MENUITEMINFO lpmii);
public int GetAttributesOf(uint cidl, IntPtr[] apidl, ref ShellAPI.SFGAO rgfInOut)
{
checkDisposed();
return _iShellFolder.GetAttributesOf(cidl, apidl, ref rgfInOut);
}
public int Stat(out ShellAPI.STATSTG pstatstg, ShellAPI.STATFLAG grfStatFlag)
{
return _iStorage.Stat(out pstatstg, grfStatFlag);
}
public int GetDisplayNameOf(IntPtr pidl, ShellAPI.SHGNO uFlags, IntPtr lpName)
{
checkDisposed();
return _iShellFolder.GetDisplayNameOf(pidl, uFlags, lpName);
}
public int CreateStream(string pwcsName, ShellAPI.STGM grfMode, int reserved1, int reserved2, out IntPtr ppstm)
{
return _iStorage.CreateStream(pwcsName, grfMode, reserved1, reserved2, out ppstm);
}
public int ParseDisplayName(IntPtr hwnd, IntPtr pbc, string pszDisplayName, ref uint pchEaten, out IntPtr ppidl, ref ShellAPI.SFGAO pdwAttributes)
{
checkDisposed();
return _iShellFolder.ParseDisplayName(hwnd, pbc, pszDisplayName, ref pchEaten, out ppidl, ref pdwAttributes);
}
public int OpenStorage(string pwcsName, IStorage pstgPriority, ShellAPI.STGM grfMode, IntPtr snbExclude, int reserved, out IntPtr ppstg)
{
return _iStorage.OpenStorage(pwcsName, pstgPriority, grfMode, snbExclude, reserved, out ppstg);
}
public int SetNameOf(IntPtr hwnd, IntPtr pidl, string pszName, ShellAPI.SHGNO uFlags, out IntPtr ppidlOut)
{
checkDisposed();
return _iShellFolder.SetNameOf(hwnd, pidl, pszName, uFlags, out ppidlOut);
}
public int QueryContinueDrag(bool fEscapePressed, ShellAPI.MK grfKeyState)
{
if (fEscapePressed)
return ShellAPI.DRAGDROP_S_CANCEL;
else
{
if ((startButton & MouseButtons.Left) != 0 && (grfKeyState & ShellAPI.MK.LBUTTON) == 0)
return ShellAPI.DRAGDROP_S_DROP;
else if ((startButton & MouseButtons.Right) != 0 && (grfKeyState & ShellAPI.MK.RBUTTON) == 0)
return ShellAPI.DRAGDROP_S_DROP;
else
return ShellAPI.S_OK;
}
}
public int EnumObjects(IntPtr hwnd, ShellAPI.SHCONTF grfFlags, out IntPtr enumIDList)
{
checkDisposed();
return _iShellFolder.EnumObjects(hwnd, grfFlags, out enumIDList);
}
public int DragEnter(IntPtr pDataObj, ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
mouseButtons = grfKeyState;
br.FolderView.Focus();
br.SelectionChange = false;
lastSelectedNode = br.FolderView.SelectedNode;
ReleaseCom();
dropDataObject = pDataObj;
#region Get DropItem
Point point = br.FolderView.PointToClient(new Point(pt.x, pt.y));
TreeViewHitTestInfo hitTest = br.FolderView.HitTest(point);
dropNode = hitTest.Node;
br.FolderView.SelectedNode = dropNode;
if(dropNode != null)
{
ShellItem item = (ShellItem)dropNode.Tag;
parentDropItem = item;
if(ShellHelper.GetIDropTarget(item, out dropTargetPtr, out dropTarget))
{
dropTarget.DragEnter(pDataObj, grfKeyState, pt, ref pdwEffect);
}
}
#endregion
if(dropHelper != null)
dropHelper.DragEnter(br.Handle, pDataObj, ref pt, pdwEffect);
return ShellAPI.S_OK;
}
public int DragEnter(IntPtr pDataObj, ShellAPI.MK grfKeyState, ShellAPI.POINT pt, ref DragDropEffects pdwEffect)
{
mouseButtons = grfKeyState;
startEffects = pdwEffect;
br.FileView.Focus();
br.SelectionChange = false;
ReleaseCom();
dropDataObject = pDataObj;
#region Get DropItem
Point point = br.FileView.PointToClient(new Point(pt.x, pt.y));
ListViewHitTestInfo hitTest = br.FileView.HitTest(point);
if (hitTest.Item != null &&
(br.FileView.View != View.Details || hitTest.SubItem == null || hitTest.Item.Name == hitTest.SubItem.Name) &&
(hitTest.Location == ListViewHitTestLocations.Image ||
hitTest.Location == ListViewHitTestLocations.Label ||
hitTest.Location == ListViewHitTestLocations.StateImage))
{
dropListItem = hitTest.Item;
wasSelected = dropListItem.Selected;
dropListItem.Selected = true;
ShellItem item = (ShellItem)dropListItem.Tag;
parentDropItem = item;
ShellHelper.GetIDropTarget(item, out dropTargetPtr, out dropTarget);
}
else
{
dropListItem = null;
parentDropItem = br.SelectedItem;
ShellHelper.GetIDropTarget(br.SelectedItem, out dropTargetPtr, out dropTarget);
}
#endregion
if (dropTarget != null)
dropTarget.DragEnter(pDataObj, grfKeyState, pt, ref pdwEffect);
if (dropHelper != null)
dropHelper.DragEnter(br.Handle, pDataObj, ref pt, pdwEffect);
return ShellAPI.S_OK;
}
public DropEventArgs(ShellAPI.MK mouseButtons, Control dragStartControl)
{
this.mouseButtons = mouseButtons;
this.dragStartControl = dragStartControl;
}
internal ShellChangeEventArgs(ShellAPI.SHCNE changes, PIDL pidl1, PIDL pidl2)
{
Changes = changes; PIDL1 = pidl1; PIDL2 = pidl2;
}
