private static CollumnInfo[] GetCollumnInfo(ShellFolder2 sf2)
{
List <CollumnInfo> retVal = new List <CollumnInfo>();
uint i = 1;
while (i < 500)
{
ShellDll.SHCOLSTATEF state;
int hr = sf2.GetDefaultColumnState(i, out state);
if (hr == -2147316575) //COMException, Out of Bounds
{
break;
}
PropertyKey propKey;
hr = sf2.MapColumnToSCID(i, out propKey);
if (hr == -2147316575) //COMException, Out of Bounds
{
break;
}
retVal.Add(new CollumnInfo()
{
ColumnIndex = i, Flags = state, PropertyKey = propKey
});
i++;
}
return(retVal.ToArray());
}
public static void InvokeCommand(DirectoryInfoEx parent, IntPtr[] pidls, uint cmd, Point ptInvoke)
{
IntPtr icontextMenuPtr;
IContextMenu iContextMenu;
//0.15: Fixed ShellFolder not freed.
using (ShellFolder2 parentShellFolder = parent.ShellFolder)
if (GetIContextMenu(parentShellFolder, pidls, out icontextMenuPtr, out iContextMenu))
{
try
{
InvokeCommand(
iContextMenu,
cmd,
parent.FullName,
ptInvoke);
}
catch (Exception) { }
finally
{
if (iContextMenu != null)
{
Marshal.ReleaseComObject(iContextMenu);
}
if (icontextMenuPtr != IntPtr.Zero)
{
Marshal.Release(icontextMenuPtr);
}
}
}
}
//#region IStream/IStorage
//public static bool GetIStream(ShellItem item, out IntPtr streamPtr, out IStream stream)
//{
// if (item.ParentItem.ShellFolder.BindToStorage(
// item.PIDLRel.Ptr,
// IntPtr.Zero,
// ref ShellAPI.IID_IStream,
// out streamPtr) == ShellAPI.S_OK)
// {
// stream = (IStream)Marshal.GetTypedObjectForIUnknown(streamPtr, typeof(IStream));
// return true;
// }
// else
// {
// stream = null;
// streamPtr = IntPtr.Zero;
// return false;
// }
//}
//public static bool GetIStorage(ShellItem item, out IntPtr storagePtr, out IStorage storage)
//{
// if (item.ParentItem.ShellFolder.BindToStorage(
// item.PIDLRel.Ptr,
// IntPtr.Zero,
// ref ShellAPI.IID_IStorage,
// out storagePtr) == ShellAPI.S_OK)
// {
// storage = (IStorage)Marshal.GetTypedObjectForIUnknown(storagePtr, typeof(IStorage));
// return true;
// }
// else
// {
// storage = null;
// storagePtr = IntPtr.Zero;
// return false;
// }
//}
//#endregion
#region Drag/Drop
/// <summary>
/// This method will use the GetUIObjectOf method of IShellFolder to obtain the IDataObject of a
/// ShellItem.
/// </summary>
/// <param name="item">The item for which to obtain the IDataObject</param>
/// <param name="dataObjectPtr">A pointer to the returned IDataObject</param>
/// <returns>the IDataObject the ShellItem</returns>
public static IntPtr GetIDataObject(FileSystemInfoEx[] items)
{
DirectoryInfoEx parent = items[0].Parent != null ? items[0].Parent : DirectoryInfoEx.DesktopDirectory;
IntPtr[] pidls = new IntPtr[items.Length];
for (int i = 0; i < items.Length; i++)
{
pidls[i] = items[i].PIDLRel.Ptr;
}
IntPtr dataObjectPtr;
//0.15: Fixed ShellFolder not freed.
using (ShellFolder2 parentShellFolder = parent.ShellFolder)
if (parentShellFolder.GetUIObjectOf(
IntPtr.Zero,
(uint)pidls.Length,
pidls,
ref ShellAPI.IID_IDataObject,
IntPtr.Zero,
out dataObjectPtr) == ShellAPI.S_OK)
{
return(dataObjectPtr);
}
else
{
return(IntPtr.Zero);
}
}
public static object GetProperty(FileInfoEx file, PropertyKey propKey)
{
if (file.Exists)
{
using (ShellFolder2 sf2 = file.Parent.ShellFolder)
{
ShellDll.PropertyKey pkey = propKey;
return(GetProperty(sf2, file, ref pkey));
}
}
return(null);
}
public static bool GetIExtractImage(
FileInfoEx file,
out IntPtr iExtractImagePtr,
out IExtractImage iExtractImage)
{
using (ShellFolder2 sf2 = file.Parent.ShellFolder)
{
PIDL filePIDL = file.PIDLRel;
try
{
return(GetIExtractImage(sf2, filePIDL.Ptr, out iExtractImagePtr, out iExtractImage));
}
finally { filePIDL.Free(); }
}
}
public static void InvokeCommand(DirectoryInfoEx parent, FileSystemInfoEx[] entries, uint cmd, Point ptInvoke)
{
PIDL[] pidls = IOTools.GetPIDL(entries, true);
IntPtr[] ptrs = IOTools.GetPIDLPtr(pidls);
using (ShellFolder2 parentShellFolder = parent.ShellFolder)
{
try
{
InvokeCommand(parent, ptrs, cmd, ptInvoke);
}
finally
{
IOTools.FreePIDL(pidls);
}
}
}
public static object GetProperty(ShellFolder2 sf2, FileInfoEx file, ref PropertyKey propKey)
{
PropertyKey pKey = propKey;
var output = file.RequestRelativePIDL(relPidl =>
{
object retVal = null;
if (relPidl != null)
{
int hr = sf2.GetDetailsEx(relPidl.Ptr, ref pKey, out retVal);
if (hr != ShellAPI.S_OK)
{
Marshal.ThrowExceptionForHR(hr);
}
}
return(retVal);
});
propKey = pKey;
return(output);
}
public static object GetProperty(ShellFolder2 sf2, FileInfoEx file, ref PropertyKey propKey)
{
PIDL pidlLookup = file.PIDLRel;
if (pidlLookup != null)
{
try
{
object retVal;
int hr = sf2.GetDetailsEx(pidlLookup.Ptr, ref propKey, out retVal);
if (hr != ShellAPI.S_OK)
{
Marshal.ThrowExceptionForHR(hr);
}
return(retVal);
}
finally
{
pidlLookup.Free();
}
}
return(null);
}
//#region IStream/IStorage
//public static bool GetIStream(ShellItem item, out IntPtr streamPtr, out IStream stream)
//{
// if (item.ParentItem.ShellFolder.BindToStorage(
// item.PIDLRel.Ptr,
// IntPtr.Zero,
// ref ShellAPI.IID_IStream,
// out streamPtr) == ShellAPI.S_OK)
// {
// stream = (IStream)Marshal.GetTypedObjectForIUnknown(streamPtr, typeof(IStream));
// return true;
// }
// else
// {
// stream = null;
// streamPtr = IntPtr.Zero;
// return false;
// }
//}
//public static bool GetIStorage(ShellItem item, out IntPtr storagePtr, out IStorage storage)
//{
// if (item.ParentItem.ShellFolder.BindToStorage(
// item.PIDLRel.Ptr,
// IntPtr.Zero,
// ref ShellAPI.IID_IStorage,
// out storagePtr) == ShellAPI.S_OK)
// {
// storage = (IStorage)Marshal.GetTypedObjectForIUnknown(storagePtr, typeof(IStorage));
// return true;
// }
// else
// {
// storage = null;
// storagePtr = IntPtr.Zero;
// return false;
// }
//}
//#endregion
#region Drag/Drop
/// <summary>
/// This method will use the GetUIObjectOf method of IShellFolder to obtain the IDataObject of a
/// ShellItem.
/// </summary>
/// <param name="item">The item for which to obtain the IDataObject</param>
/// <param name="dataObjectPtr">A pointer to the returned IDataObject</param>
/// <returns>the IDataObject the ShellItem</returns>
public static IntPtr GetIDataObject(FileSystemInfoEx[] items)
{
DirectoryInfoEx parent = items[0].Parent != null ? items[0].Parent : DirectoryInfoEx.DesktopDirectory;
IntPtr retVal = IntPtr.Zero;
items.RequestPIDL((pidls, ptrs) =>
{
IntPtr dataObjectPtr;
//0.15: Fixed ShellFolder not freed.
using (ShellFolder2 parentShellFolder = parent.ShellFolder)
if (parentShellFolder.GetUIObjectOf(
IntPtr.Zero,
(uint)ptrs.Length,
ptrs,
ref ShellAPI.IID_IDataObject,
IntPtr.Zero,
out dataObjectPtr) == ShellAPI.S_OK)
{
retVal = dataObjectPtr;
}
});
return(retVal);
}
public static CollumnInfo[] GetCollumnInfo(DirectoryInfoEx dir)
{
using (ShellFolder2 sf2 = dir.ShellFolder)
return(GetCollumnInfo(sf2));
}
public string Popup(FileSystemInfoEx[] items, Point pt)
{
if (items.Length > 0 && !_contextMenuVisible)
{
//0.15: Fixed ShellFolder not freed correctly.
try
{
using (ShellFolder2 parentShellFolder = items[0].Parent != null ?
items[0].Parent.ShellFolder :
DirectoryInfoEx.DesktopDirectory.ShellFolder)
try
{
_contextMenuVisible = true;
///Debug.WriteLine(items[0].Parent.FullName);
IntPtr ptrContextMenu = IntPtr.Zero;
IntPtr ptrContextMenu2 = IntPtr.Zero;
IntPtr PtrContextMenu3 = IntPtr.Zero;
IntPtr contextMenu = IntPtr.Zero;
List <IntPtr> menuPtrConstructed = new List <IntPtr>();
List <IntPtr> imgPtrConstructed = new List <IntPtr>();
PIDL[] pidls = IOTools.GetPIDL(items, true);
if (ContextMenuHelper.GetIContextMenu(parentShellFolder, IOTools.GetPIDLPtr(pidls),
out ptrContextMenu, out _iContextMenu))
{
try
{
queryMenuItemsEventArgs = new QueryMenuItemsEventArgs(items);
if (OnQueryMenuItems != null)
{
OnQueryMenuItems(this, queryMenuItemsEventArgs);
}
contextMenu = ShellAPI.CreatePopupMenu();
if (queryMenuItemsEventArgs.QueryContextMenu)
{
_iContextMenu.QueryContextMenu(contextMenu, 0, ShellAPI.CMD_FIRST,
ShellAPI.CMD_LAST, ShellAPI.CMF.EXPLORE | ShellAPI.CMF.CANRENAME |
((Control.ModifierKeys & Keys.Shift) != 0 ? ShellAPI.CMF.EXTENDEDVERBS : 0));
}
#region obsolute
//for (uint i = 0; i < queryMenuItemsEventArgs.ExtraMenuItems.Length; i++)
//{
// string caption = queryMenuItemsEventArgs.ExtraMenuItems[i];
// if (caption != "---")
// {
// ShellAPI.InsertMenu(contextMenu, i, ShellAPI.MFT.BYPOSITION,
// ShellAPI.CMD_LAST + i + 1, caption);
// if (queryMenuItemsEventArgs.DefaultItem == i)
// ShellAPI.SetMenuDefaultItem(contextMenu, i, true);
// }
// else ShellAPI.InsertMenu(contextMenu, i, ShellAPI.MFT.BYPOSITION |
// ShellAPI.MFT.SEPARATOR, 0, "-");
//}
#endregion
//0.11: Added ContextMenuWrapper OnQueryMenuItems event now support multilevel directory. (e.g. @"Tools\Add")
ContextMenuHelperEx.ConstructCustomMenu(contextMenu, queryMenuItemsEventArgs.ExtraMenuItems, out menuPtrConstructed, out imgPtrConstructed);
if (queryMenuItemsEventArgs.QueryContextMenu2)
{
try
{
Marshal.QueryInterface(ptrContextMenu, ref ShellAPI.IID_IContextMenu2,
out ptrContextMenu2);
_iContextMenu2 = (IContextMenu2)Marshal.GetTypedObjectForIUnknown(
ptrContextMenu2, typeof(IContextMenu2));
}
catch (Exception) { }
}
if (queryMenuItemsEventArgs.QueryContextMenu3)
{
try
{
Marshal.QueryInterface(ptrContextMenu, ref ShellAPI.IID_IContextMenu3,
out PtrContextMenu3);
_iContextMenu3 = (IContextMenu3)Marshal.GetTypedObjectForIUnknown(
PtrContextMenu3, typeof(IContextMenu3));
}
catch (Exception) { }
}
uint GMDI_USEDISABLED = 0x0001;
//uint GMDI_GOINTOPOPUPS = 0x0002;
uint intDefaultItem = (uint)ShellAPI.GetMenuDefaultItem(contextMenu, false, GMDI_USEDISABLED);
string strDefaultCommand = intDefaultItem >= ShellAPI.CMD_FIRST ?
ContextMenuHelper.GetCommandString(_iContextMenu, intDefaultItem - ShellAPI.CMD_FIRST, true) : null;
if (queryMenuItemsEventArgs.QueryContextMenu) //No need to Disable if query is not carried out in first place.
{
//0.11: Added queryMenuItemsEventArgs.GrayedItems / HiddenItems
ContextMenuHelperEx.DisableMenuItems(contextMenu, _iContextMenu,
queryMenuItemsEventArgs.GrayedItems, ContextMenuHelperEx.DisabledMethods.Gray);
ContextMenuHelperEx.DisableMenuItems(contextMenu, _iContextMenu,
queryMenuItemsEventArgs.HiddenItems, ContextMenuHelperEx.DisabledMethods.Remove);
}
//0.17: Added DefaultItem and DefaultCommand in BeforePopup
bool cont = true;
if (OnBeforePopup != null)
{
BeforePopupEventArgs args = new BeforePopupEventArgs
(contextMenu, _iContextMenu, intDefaultItem - ShellAPI.CMD_FIRST, strDefaultCommand);
OnBeforePopup(this, args);
cont = args.ContinuePopup;
}
if (cont)
{
//0.18 Fixed Context menu disappear in some case. (By cwharmon)
//http://www.codeproject.com/KB/files/DirectoryInfoEx.aspx#xx3475961xx
ShellAPI.SetForegroundWindow(this.Handle);
uint selected = ShellAPI.TrackPopupMenuEx(contextMenu, ShellAPI.TPM.RETURNCMD,
pt.X, pt.Y, this.Handle, IntPtr.Zero);
uint msg = 0;
ShellAPI.PostMessage(this.Handle, msg, IntPtr.Zero, IntPtr.Zero);
if (OnMouseHover != null)
{
OnMouseHover(this, new MouseHoverEventArgs("", "", 0));
}
if (selected >= ShellAPI.CMD_LAST)
{
return(removeCheckedSymbol(queryMenuItemsEventArgs.ExtraMenuItems[selected - ShellAPI.CMD_LAST]));
}
if (selected >= ShellAPI.CMD_FIRST)
{
string command = ContextMenuHelper.GetCommandString(_iContextMenu,
selected - ShellAPI.CMD_FIRST, true);
if (command == null)
{
return(null);
}
if (OnBeforeInvokeCommand != null)
{
InvokeCommandEventArgs args =
new InvokeCommandEventArgs(command, "", selected, items);
OnBeforeInvokeCommand(this, args);
if (!args.ContinueInvoke)
{
return(command);
}
}
if (command == "rename")
{
return("rename");
}
else
{
//if (items.Length == 1 && items[0] is DirectoryInfoEx)
ContextMenuHelper.InvokeCommand(_iContextMenu,
selected - ShellAPI.CMD_FIRST,
(items[0].Parent != null) ? items[0].Parent.FullName :
items[0].FullName, pt);
//else
//ContextMenuHelper.InvokeCommand(items[0].Parent,
// IOTools.GetPIDLPtr(items, true), selected - ShellAPI.CMD_FIRST,
// pt);
}
}
}
}
finally
{
IOTools.FreePIDL(pidls);
if (_iContextMenu != null)
{
Marshal.ReleaseComObject(_iContextMenu);
_iContextMenu = null;
}
if (_iContextMenu2 != null)
{
Marshal.ReleaseComObject(_iContextMenu2);
_iContextMenu2 = null;
}
if (_iContextMenu3 != null)
{
Marshal.ReleaseComObject(_iContextMenu3);
_iContextMenu3 = null;
}
foreach (IntPtr menuPtr in menuPtrConstructed)
{
ShellAPI.DestroyMenu(menuPtr);
}
menuPtrConstructed.Clear();
if (contextMenu != null)
{
ShellAPI.DestroyMenu(contextMenu);
}
if (ptrContextMenu != IntPtr.Zero)
{
Marshal.Release(ptrContextMenu);
}
if (ptrContextMenu2 != IntPtr.Zero)
{
Marshal.Release(ptrContextMenu2);
}
if (PtrContextMenu3 != IntPtr.Zero)
{
Marshal.Release(PtrContextMenu3);
}
}
}
}
finally
{
_contextMenuVisible = false;
}
}
catch { }
}
return(null);
}
private static CollumnInfo[] GetCollumnInfo(ShellFolder2 sf2)
{
List<CollumnInfo> retVal = new List<CollumnInfo>();
uint i = 1;
while (i < 500)
{
ShellDll.SHCOLSTATEF state;
int hr = sf2.GetDefaultColumnState(i, out state);
if (hr == -2147316575) //COMException, Out of Bounds
break;
PropertyKey propKey;
hr = sf2.MapColumnToSCID(i, out propKey);
if (hr == -2147316575) //COMException, Out of Bounds
break;
retVal.Add(new CollumnInfo() { ColumnIndex = i, Flags = state, PropertyKey = propKey });
i++;
}
return retVal.ToArray();
}
public static object GetProperty(ShellFolder2 sf2, FileInfoEx file, ref PropertyKey propKey)
{
PIDL pidlLookup = file.PIDLRel;
if (pidlLookup != null)
{
try
{
object retVal;
int hr = sf2.GetDetailsEx(pidlLookup.Ptr, ref propKey, out retVal);
if (hr != ShellAPI.S_OK)
Marshal.ThrowExceptionForHR(hr);
return retVal;
}
finally
{
pidlLookup.Free();
}
}
return null;
}
