TreeNode InsertNode(TreeNode parent, ShellItem folder, string displayName)
{
ShellItem parentFolder = (ShellItem)parent.Tag;
IntPtr folderRelPidl = Shell32.ILFindLastID(folder.Pidl);
TreeNode result = null;
foreach (TreeNode child in parent.Nodes)
{
ShellItem childFolder = (ShellItem)child.Tag;
IntPtr childRelPidl = Shell32.ILFindLastID(childFolder.Pidl);
short compare = parentFolder.GetIShellFolder().CompareIDs(0,
folderRelPidl, childRelPidl);
if (compare < 0)
{
result = parent.Nodes.Insert(child.Index, displayName);
break;
}
}
if (result == null)
{
result = parent.Nodes.Add(displayName);
}
return(result);
}
/// <summary>
/// Selects all items in the <see cref="ShellView"/>.
/// </summary>
public void SelectAll()
{
foreach (ShellItem item in ShellItem)
{
m_ComInterface.SelectItem(Shell32.ILFindLastID(item.Pidl), SVSI.SVSI_SELECT);
}
}
/// <summary>
/// This method uses the GetUIObjectOf method of IShellFolder to obtain the IDropTarget of a
/// CShItem.
/// </summary>
/// <param name="item">The item for which to obtain the IDropTarget</param>
/// <param name="dropTarget">The IDropTarget interface of the input Folder</param>
/// <returns>true if successful in obtaining the IDropTarget Interface.</returns>
/// <remarks>The original FileBrowser version of this returned the IntPtr which points to
/// the interface. This is not needed since GetTypedObjectForIUnknown manages that IntPtr.
/// For all purposes, the CShItem.GetDropTargetOf routine is more efficient and provides
/// the same interface.</remarks>
public static bool GetIDropTarget(ShellItem item, ref FlShell.Interop.IDropTarget dropTarget)
{
IntPtr dropTargetPtr = IntPtr.Zero;
ShellItem parent = item.Parent;
if (parent == null)
{
parent = item;
}
IShellFolder folder;
if (item == ShellItem.Desktop)
{
folder = item.GetIShellFolder();
}
else
{
folder = item.Parent.GetIShellFolder();
}
IntPtr relpidl = Shell32.ILFindLastID(item.Pidl);
if (parent.GetIShellFolder().GetUIObjectOf(IntPtr.Zero, 1, new IntPtr[] { relpidl }, Ole32.IID_IDropTarget, 0, out dropTargetPtr) == 0)
{
dropTarget = (FlShell.Interop.IDropTarget)Marshal.GetTypedObjectForIUnknown(dropTargetPtr, typeof(FlShell.Interop.IDropTarget));
return(true);
}
else
{
dropTarget = null;
dropTargetPtr = IntPtr.Zero;
return(false);
}
}
HResult IShellBrowser.BrowseObject(IntPtr pidl, SBSP wFlags)
{
IntPtr result = IntPtr.Zero;
if ((wFlags & SBSP.SBSP_RELATIVE) != 0)
{
ShellItem child = new ShellItem(m_ShellView.CurrentFolder, pidl);
}
else if ((wFlags & SBSP.SBSP_PARENT) != 0)
{
m_ShellView.NavigateParent();
}
else if ((wFlags & SBSP.SBSP_NAVIGATEBACK) != 0)
{
m_ShellView.NavigateBack();
}
else if ((wFlags & SBSP.SBSP_NAVIGATEFORWARD) != 0)
{
m_ShellView.NavigateForward();
}
else if ((wFlags & SBSP.SBSP_SAMEBROWSER) != 0)
{
ShellItem child = new ShellItem(pidl);
m_ShellView.Navigate(child);
//child.Dispose();
}
else
{
m_ShellView.Navigate(new ShellItem(ShellItem.Desktop, Shell32.ILFindLastID(pidl)));
}
return(HResult.S_OK);
}
public IntPtr GetDisplayName(SIGDN sigdnName)
{
if (sigdnName == SIGDN.FILESYSPATH)
{
StringBuilder result = new StringBuilder(512);
if (!Shell32.SHGetPathFromIDList(m_Pidl, result))
{
throw new ArgumentException();
}
return(Marshal.StringToHGlobalUni(result.ToString()));
}
else
{
IShellFolder parentFolder = GetParent().GetIShellFolder();
IntPtr childPidl = Shell32.ILFindLastID(m_Pidl);
StringBuilder builder = new StringBuilder(512);
STRRET strret = new STRRET();
parentFolder.GetDisplayNameOf(childPidl,
(SHGNO)((int)sigdnName & 0xffff), out strret);
ShlWapi.StrRetToBuf(ref strret, childPidl, builder,
(uint)builder.Capacity);
return(Marshal.StringToHGlobalUni(builder.ToString()));
}
}
public IExtractIconPWFlags GetShield()
{
IExtractIcon iextract = null;
IShellFolder ishellfolder = null;
StringBuilder str = null;
IntPtr result;
try {
var guid = new Guid("000214fa-0000-0000-c000-000000000046");
uint res = 0;
ishellfolder = this.Parent.GetIShellFolder();
var pidls = new IntPtr[1];
pidls[0] = Shell32.ILFindLastID(this.PIDL);
ishellfolder.GetUIObjectOf(IntPtr.Zero, 1, pidls, ref guid, res, out result);
iextract = (IExtractIcon)Marshal.GetTypedObjectForIUnknown(result, typeof(IExtractIcon));
str = new StringBuilder(512);
var index = -1;
IExtractIconPWFlags flags;
iextract.GetIconLocation(IExtractIconUFlags.GIL_CHECKSHIELD, str, 512, out index, out flags);
pidls = null;
return(flags);
} catch {
return(0);
}
}
public static IntPtr GetIDataObject(ShellItem[] items)
{
ShellItem parent;
if (items[0].Parent != null)
{
parent = items[0].Parent;
}
else
{
parent = items[0];
}
IntPtr[] pidls = new IntPtr[items.Length];
int i = 0;
do
{
pidls[i] = Shell32.ILFindLastID(items[i].Pidl);
i += 1;
}while (i < items.Length);
IntPtr dataObjectPtr = IntPtr.Zero;
if (parent.GetIShellFolder().GetUIObjectOf(IntPtr.Zero, (uint)(pidls.Length), pidls, Ole32.IID_IDataObject, 0, out dataObjectPtr) == (int)HResult.S_OK)
{
return(dataObjectPtr);
}
else
{
return(IntPtr.Zero);
}
}
public HResult GetAttributes(SFGAO sfgaoMask, out SFGAO psfgaoAttribs)
{
IShellFolder parentFolder = GetParent().GetIShellFolder();
SFGAO result = sfgaoMask;
parentFolder.GetAttributesOf(1, new IntPtr[] { Shell32.ILFindLastID(Pidl) }, ref result);
psfgaoAttribs = result & sfgaoMask;
return(HResult.S_OK);
}
public SFGAO GetAttributes(SFGAO sfgaoMask)
{
var parentFolder = GetParent().GetIShellFolder();
var result = sfgaoMask;
parentFolder.GetAttributesOf(1,
new[] { Shell32.ILFindLastID(Pidl) },
ref result);
return(result & sfgaoMask);
}
public int Compare(IShellItem psi, SICHINT hint)
{
var other = (ShellItemImpl)psi;
var myParent = GetParent();
var theirParent = other.GetParent();
if (Shell32.ILIsEqual(myParent.Pidl, theirParent.Pidl))
{
return(myParent.GetIShellFolder().CompareIDs((SHCIDS)hint,
Shell32.ILFindLastID(Pidl),
Shell32.ILFindLastID(other.Pidl)));
}
return(1);
}
public IExtractIconPWFlags GetIconType()
{
if (this.Extension == ".exe" || this.Extension == ".com" || this.Extension == ".bat" || this.Extension == ".msi")
{
return(IExtractIconPWFlags.GIL_PERINSTANCE);
}
if (this.Parent == null)
{
return(0);
}
if (this.IsFolder)
{
IExtractIcon iextract = null;
IShellFolder ishellfolder = null;
StringBuilder str = null;
IntPtr result;
try {
var guid = new Guid("000214fa-0000-0000-c000-000000000046");
uint res = 0;
ishellfolder = this.Parent.GetIShellFolder();
var pidls = new IntPtr[1] {
Shell32.ILFindLastID(this.PIDL)
};
ishellfolder.GetUIObjectOf(IntPtr.Zero, 1, pidls, ref guid, res, out result);
if (result == IntPtr.Zero)
{
pidls = null;
return(IExtractIconPWFlags.GIL_PERCLASS);
}
iextract = (IExtractIcon)Marshal.GetTypedObjectForIUnknown(result, typeof(IExtractIcon));
str = new StringBuilder(512);
var index = -1;
IExtractIconPWFlags flags;
iextract.GetIconLocation(IExtractIconUFlags.GIL_ASYNC, str, 512, out index, out flags);
return(flags);
} catch (Exception) {
return(0);
}
}
else
{
return(IExtractIconPWFlags.GIL_PERCLASS);
}
}
public int Compare(IShellItem psi, SICHINT hint)
{
ShellItemImpl other = (ShellItemImpl)psi;
ShellItemImpl myParent = GetParent();
ShellItemImpl theirParent = other.GetParent();
if (Shell32.ILIsEqual(myParent.m_Pidl, theirParent.m_Pidl))
{
return(myParent.GetIShellFolder().CompareIDs((SHCIDS)hint,
Shell32.ILFindLastID(m_Pidl),
Shell32.ILFindLastID(other.m_Pidl)));
}
else
{
return(1);
}
}
void Initialize(IListItemEx[] items)
{
this._Items = items;
IntPtr[] pidls = new IntPtr[items.Length];
IListItemEx parent = null;
for (int n = 0; n < items.Length; ++n)
{
pidls[n] = Shell32.ILFindLastID(items[n].PIDL);
if (parent == null)
{
if (items[n].ParsingName.Equals(ShellItem.Desktop.ParsingName))
{
parent = FileSystemListItem.ToFileSystemItem(IntPtr.Zero, ShellItem.Desktop.Pidl);
}
else
{
parent = items[n].Parent;
}
}
else if (!items[n].Parent.Equals(parent))
{
throw new Exception("All shell items must have the same parent");
}
}
if (items.Length == 0)
{
var desktop = KnownFolders.Desktop as ShellItem;
var ishellViewPtr = desktop.GetIShellFolder().CreateViewObject(IntPtr.Zero, typeof(IShellView).GUID);
var view = Marshal.GetObjectForIUnknown(ishellViewPtr) as IShellView;
view.GetItemObject(SVGIO.SVGIO_BACKGROUND, typeof(IContextMenu).GUID, out _Result);
Marshal.ReleaseComObject(view);
}
else
{
parent.GetIShellFolder().GetUIObjectOf(IntPtr.Zero, (uint)pidls.Length, pidls, typeof(IContextMenu).GUID, 0, out _Result);
}
m_ComInterface = (IContextMenu)Marshal.GetTypedObjectForIUnknown(_Result, typeof(IContextMenu));
m_ComInterface2 = m_ComInterface as IContextMenu2;
m_ComInterface3 = m_ComInterface as IContextMenu3;
m_MessageWindow = new MessageWindow(this);
}
void Initialize(ShellItem[] items)
{
IntPtr[] pidls = new IntPtr[items.Length];
ShellItem parent = null;
IntPtr result;
for (int n = 0; n < items.Length; ++n)
{
pidls[n] = Shell32.ILFindLastID(items[n].Pidl);
if (parent == null)
{
if (items[n] == ShellItem.Desktop)
{
parent = ShellItem.Desktop;
}
else
{
parent = items[n].Parent;
}
}
else
{
if (items[n].Parent != parent)
{
throw new Exception("All shell items must have the same parent");
}
}
}
parent.GetIShellFolder().GetUIObjectOf(IntPtr.Zero,
(uint)pidls.Length, pidls,
typeof(IContextMenu).GUID, 0, out result);
m_ComInterface = (IContextMenu)
Marshal.GetTypedObjectForIUnknown(result,
typeof(IContextMenu));
m_ComInterface2 = m_ComInterface as IContextMenu2;
m_ComInterface3 = m_ComInterface as IContextMenu3;
m_MessageWindow = new MessageWindow(this);
}
private void m_TreeView_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
{
TreeNode node = e.Node;
if (node.Parent == null)
{
return;
}
ShellItem parentFolder = (ShellItem)node.Parent.Tag;
ShellItem item = (ShellItem)node.Tag;
string NewName = e.Label;
IntPtr newPidl = IntPtr.Zero;
if (NewName != null)
{
try
{
uint res = parentFolder.GetIShellFolder().SetNameOf(m_TreeView.Handle, Shell32.ILFindLastID(item.Pidl), NewName, SHGDN.NORMAL, out newPidl);
}
catch (COMException ex)
{
// Ignore the exception raised when the user cancels
// a delete operation.
if (ex.ErrorCode != unchecked ((int)0x800704C7) &&
ex.ErrorCode != unchecked ((int)0x80270000))
{
throw;
}
e.CancelEdit = true;
}
}
}
public IExtractIconPWFlags GetIconType()
{
if (this.IsFolder)
{
IExtractIcon iextract = null;
IShellFolder ishellfolder = null;
StringBuilder str = null;
IntPtr result;
try {
var guid = new Guid("000214fa-0000-0000-c000-000000000046");
uint res = 0;
ishellfolder = this.Parent.GetIShellFolder();
var pidls = new IntPtr[1] {
Shell32.ILFindLastID(this.PIDL)
};
ishellfolder.GetUIObjectOf(IntPtr.Zero, 1, pidls, ref guid, res, out result);
if (result == IntPtr.Zero)
{
pidls = null;
return(IExtractIconPWFlags.GIL_PERCLASS);
}
iextract = (IExtractIcon)Marshal.GetTypedObjectForIUnknown(result, typeof(IExtractIcon));
str = new StringBuilder(512);
var index = -1;
IExtractIconPWFlags flags;
iextract.GetIconLocation(0, str, 512, out index, out flags);
Marshal.ReleaseComObject(ishellfolder);
Marshal.ReleaseComObject(iextract);
return(flags);
} catch (Exception) {
return(0);
}
}
else
{
var value = this.GetPropertyValue(SystemProperties.PerceivedType, typeof(PerceivedType))?.Value;
if (value != null)
{
var perceivedType = (PerceivedType)value;
if (perceivedType == PerceivedType.Application)
{
return(IExtractIconPWFlags.GIL_PERINSTANCE);
}
else
{
return(IExtractIconPWFlags.GIL_PERCLASS);
}
}
}
return(IExtractIconPWFlags.GIL_PERCLASS);
//if (this.Extension.ToLowerInvariant() == ".exe" || this.Extension.ToLowerInvariant() == ".com" || this.Extension.ToLowerInvariant() == ".bat" || this.Extension.ToLowerInvariant() == ".msi" || this.Extension.ToLowerInvariant() == ".jar") {
// return IExtractIconPWFlags.GIL_PERINSTANCE;
//}
////return IExtractIconPWFlags.GIL_PERCLASS;
//if (this.Parent == null) {
// return 0;
//}
////if (this.IsFolder) {
// IExtractIcon iextract = null;
// IShellFolder ishellfolder = null;
// StringBuilder str = null;
// IntPtr result;
// try {
// var guid = new Guid("000214fa-0000-0000-c000-000000000046");
// uint res = 0;
// ishellfolder = this.Parent.GetIShellFolder();
// var pidls = new IntPtr[1] { Shell32.ILFindLastID(this.PIDL) };
// ishellfolder.GetUIObjectOf(IntPtr.Zero, 1, pidls, ref guid, res, out result);
// if (result == IntPtr.Zero) {
// pidls = null;
// return IExtractIconPWFlags.GIL_PERCLASS;
// }
// iextract = (IExtractIcon)Marshal.GetTypedObjectForIUnknown(result, typeof(IExtractIcon));
// str = new StringBuilder(512);
// var index = -1;
// IExtractIconPWFlags flags;
// iextract.GetIconLocation(IExtractIconUFlags.GIL_ASYNC, str, 512, out index, out flags);
// return flags;
// } catch (Exception) {
// return 0;
// }
////} else {
//// return IExtractIconPWFlags.GIL_PERCLASS;
////}
}
/// <summary>
/// If this method returns true then the caller must call ReleaseMenu
/// </summary>
/// <param name="hwnd">The handle to the control to host the ContextMenu</param>
/// <param name="items">The items for which to show the ContextMenu. These items must be in the same folder.</param>
/// <param name="pt">The point where the ContextMenu should appear</param>
/// <param name="allowrename">Set if (the ContextMenu should contain the Rename command where appropriate</param>
/// <param name="cmi">The command information for the users selection</param>
/// <returns></returns>
/// <remarks></remarks>
public bool ShowMenu(IntPtr hwnd, ShellItem[] items, System.Drawing.Point pt, bool allowRename, ref CMInvokeCommandInfoEx cmi)
{
bool bShowMenu = false;
Debug.Assert(items.Length > 0);
IntPtr comContextMenu = User32.CreatePopupMenu();
IntPtr[] pidls = new System.IntPtr[items.Length];
int i;
IShellFolder folder = null;
if (items[0] == ShellItem.Desktop)
{
folder = items[0].GetIShellFolder();
}
else
{
folder = items[0].Parent.GetIShellFolder();
}
for (i = 0; i <= items.Length - 1; i++)
{
if (!items[i].CanRename)
{
allowRename = false;
}
pidls[i] = Shell32.ILFindLastID(items[i].Pidl);
}
int prgf = 0;
IntPtr pIcontext = IntPtr.Zero;
int HR = folder.GetUIObjectOf(IntPtr.Zero, (uint)pidls.Length, pidls, Shell32.IID_IContextMenu, (uint)prgf, out pIcontext);
if (HR != (int)HResult.S_OK)
{
#if DEBUG
Marshal.ThrowExceptionForHR(HR);
#endif
//GoTo FAIL;
}
winMenu = (IContextMenu)Marshal.GetObjectForIUnknown(pIcontext);
IntPtr p = IntPtr.Zero;
Marshal.QueryInterface(pIcontext, ref Shell32.IID_IContextMenu2, out p);
if (p != IntPtr.Zero)
{
winMenu2 = (IContextMenu2)Marshal.GetObjectForIUnknown(p);
}
Marshal.QueryInterface(pIcontext, ref Shell32.IID_IContextMenu3, out p);
if (p != IntPtr.Zero)
{
winMenu3 = (IContextMenu3)Marshal.GetObjectForIUnknown(p);
}
if (!pIcontext.Equals(IntPtr.Zero))
{
pIcontext = IntPtr.Zero;
}
//Check item count - should always be 0 but check just in case
uint startIndex = User32.GetMenuItemCount(comContextMenu);
//Fill the context menu
CMF flags = (CMF.NORMAL | CMF.EXPLORE);
if (allowRename)
{
flags = flags | CMF.CANRENAME;
}
if ((Control.ModifierKeys & Keys.Shift) == Keys.Shift)
{
flags = flags | CMF.EXTENDEDVERBS;
}
int idCount = (int)winMenu.QueryContextMenu(comContextMenu, startIndex, min, max, flags);
int cmd = User32.TrackPopupMenuEx(comContextMenu, TPM.TPM_RETURNCMD, pt.X, pt.Y, hwnd, IntPtr.Zero);
if (cmd >= min && cmd <= idCount)
{
cmi = new CMInvokeCommandInfoEx();
cmi.cbSize = Marshal.SizeOf(cmi);
cmi.lpVerb = (IntPtr)(cmd - min);
cmi.lpVerbW = (IntPtr)(cmd - min);
cmi.nShow = (int)SW.SHOWNORMAL;
cmi.fMask = (int)(CMIC.UNICODE | CMIC.PTINVOKE);
cmi.ptInvoke = new System.Drawing.Point(pt.X, pt.Y);
bShowMenu = true;
}
else
{
//FAIL:
if (winMenu != null)
{
Marshal.ReleaseComObject(winMenu);
winMenu = null;
}
bShowMenu = false;
}
if (winMenu2 != null)
{
Marshal.ReleaseComObject(winMenu2);
winMenu2 = null;
}
if (winMenu3 != null)
{
Marshal.ReleaseComObject(winMenu3);
winMenu3 = null;
}
if (!comContextMenu.Equals(IntPtr.Zero))
{
Marshal.Release(comContextMenu);
comContextMenu = IntPtr.Zero;
}
return(bShowMenu);
}