public void AddSubMenu(ShellFolder folder, int position, ref IntPtr parentNativeMenuPtr)
{
if (GetNewContextMenu(folder))
{
iContextMenu.QueryContextMenu(
parentNativeMenuPtr,
(uint)position,
Interop.CMD_FIRST,
Interop.CMD_LAST,
CMF.NORMAL);
nativeMenuPtr = Interop.GetSubMenu(parentNativeMenuPtr, position);
if (Marshal.QueryInterface(iContextMenuPtr, ref Interop.IID_IContextMenu2,
out iContextMenu2Ptr) == NativeMethods.S_OK)
{
if (iContextMenu2Ptr != IntPtr.Zero)
{
try
{
iContextMenu2 =
(IContextMenu2)Marshal.GetTypedObjectForIUnknown(iContextMenu2Ptr, typeof(IContextMenu2));
}
catch (Exception e)
{
ShellLogger.Error($"ShellContextMenu: Error retrieving IContextMenu2 interface: {e.Message}");
}
}
}
if (Marshal.QueryInterface(iContextMenuPtr, ref Interop.IID_IContextMenu3,
out iContextMenu3Ptr) == NativeMethods.S_OK)
{
if (iContextMenu3Ptr != IntPtr.Zero)
{
try
{
iContextMenu3 =
(IContextMenu3)Marshal.GetTypedObjectForIUnknown(iContextMenu3Ptr, typeof(IContextMenu3));
}
catch (Exception e)
{
ShellLogger.Error($"ShellContextMenu: Error retrieving IContextMenu3 interface: {e.Message}");
}
}
}
}
}
public ShellFolderContextMenu(ShellFolder folder, FolderItemSelectAction folderItemSelected, ShellMenuCommandBuilder builder)
{
if (folder == null)
{
return;
}
lock (IconHelper.ComLock)
{
x = Cursor.Position.X;
y = Cursor.Position.Y;
this.folderItemSelected = folderItemSelected;
SetupContextMenu(folder, builder);
}
}
public ShellItemContextMenu(ShellItem[] files, ShellFolder parentFolder, IntPtr hwndOwner, ItemSelectAction itemSelected, bool isInteractive, bool canRename, ShellMenuCommandBuilder preBuilder, ShellMenuCommandBuilder postBuilder)
{
if (files == null || files.Length < 1)
{
return;
}
lock (IconHelper.ComLock)
{
x = Cursor.Position.X;
y = Cursor.Position.Y;
this.itemSelected = itemSelected;
SetupContextMenu(files, parentFolder, hwndOwner, isInteractive, canRename, preBuilder, postBuilder);
}
}
private void ConfigureMenuItems(ShellFolder folder, IntPtr contextMenu, ShellMenuCommandBuilder builder)
{
int numAdded = 0;
ShellNewMenus.Clear();
foreach (var command in builder.Commands)
{
if (command is ShellNewMenuCommand shellNewCommand)
{
shellNewCommand.AddSubMenu(folder, numAdded, ref contextMenu);
ShellNewMenus.Add(shellNewCommand);
}
else
{
Interop.AppendMenu(contextMenu, command.Flags, command.UID, command.Label);
}
numAdded++;
}
}
private void ShowMenu(ShellFolder folder, IntPtr contextMenu)
{
CreateHandle(new CreateParams());
if (EnvironmentHelper.IsWindows10DarkModeSupported)
{
NativeMethods.AllowDarkModeForWindow(Handle, true);
}
uint selected = Interop.TrackPopupMenuEx(
contextMenu,
TPM.RETURNCMD,
x,
y,
Handle,
IntPtr.Zero);
if (selected >= Interop.CMD_FIRST)
{
if (selected <= Interop.CMD_LAST)
{
// custom commands are greater than CMD_LAST, so this must be a sub menu item
foreach (var subMenu in ShellNewMenus)
{
if (subMenu.iContextMenu != null)
{
InvokeCommand(
subMenu.iContextMenu,
folder.IsFolder && folder.IsFileSystem ? folder.Path : null,
selected - Interop.CMD_FIRST,
new Point(x, y));
}
}
}
folderItemSelected?.Invoke(selected, folder.Path);
}
DestroyHandle();
}
private bool GetNewContextMenu(ShellFolder folder)
{
if (Interop.CoCreateInstance(
ref Interop.CLSID_NewMenu,
IntPtr.Zero,
CLSCTX.INPROC_SERVER,
ref Interop.IID_IContextMenu,
out iContextMenuPtr) == NativeMethods.S_OK)
{
iContextMenu = Marshal.GetTypedObjectForIUnknown(iContextMenuPtr, typeof(IContextMenu)) as IContextMenu;
if (Marshal.QueryInterface(
iContextMenuPtr,
ref Interop.IID_IShellExtInit,
out var iShellExtInitPtr) == NativeMethods.S_OK)
{
IShellExtInit iShellExtInit = Marshal.GetTypedObjectForIUnknown(
iShellExtInitPtr, typeof(IShellExtInit)) as IShellExtInit;
iShellExtInit?.Initialize(folder.AbsolutePidl, IntPtr.Zero, 0);
if (iShellExtInit != null)
{
Marshal.ReleaseComObject(iShellExtInit);
}
if (iShellExtInitPtr != IntPtr.Zero)
{
Marshal.Release(iShellExtInitPtr);
}
return(true);
}
}
return(false);
}
protected bool GetIContextMenu(ShellItem[] items, ShellFolder parentFolder, IntPtr hwndOwner, out IntPtr icontextMenuPtr, out IContextMenu iContextMenu)
{
if (items.Length < 1)
{
icontextMenuPtr = IntPtr.Zero;
iContextMenu = null;
return(false);
}
IntPtr[] pidls = new IntPtr[items.Length];
for (int i = 0; i < items.Length; i++)
{
pidls[i] = items[i].RelativePidl;
}
if (parentFolder.ShellFolderInterface.GetUIObjectOf(
hwndOwner,
(uint)pidls.Length,
pidls,
ref Interop.IID_IContextMenu,
IntPtr.Zero,
out icontextMenuPtr) == NativeMethods.S_OK)
{
iContextMenu =
(IContextMenu)Marshal.GetTypedObjectForIUnknown(
icontextMenuPtr, typeof(IContextMenu));
return(true);
}
icontextMenuPtr = IntPtr.Zero;
iContextMenu = null;
return(false);
}
private void SetupContextMenu(ShellFolder folder, ShellMenuCommandBuilder builder)
{
try
{
nativeMenuPtr = Interop.CreatePopupMenu();
ConfigureMenuItems(folder, nativeMenuPtr, builder);
ShowMenu(folder, nativeMenuPtr);
}
catch (Exception e)
{
ShellLogger.Error($"ShellContextMenu: Error building folder context menu: {e.Message}");
}
finally
{
FreeResources();
foreach (var subMenu in ShellNewMenus)
{
subMenu.FreeResources();
}
}
}
public ShellFile(ShellFolder parentFolder, IShellFolder parentShellFolder, IntPtr relativePidl, bool isAsync = false) : base(parentFolder.AbsolutePidl, parentShellFolder, relativePidl, isAsync)
{
_parentItem = parentFolder;
}
public ShellFile(ShellFolder parentFolder, string parsingName) : base(parsingName)
{
_parentItem = parentFolder;
}
private void SetupContextMenu(ShellItem[] files, ShellFolder parentFolder, IntPtr hwndOwner, bool isInteractive, bool canRename, ShellMenuCommandBuilder preBuilder, ShellMenuCommandBuilder postBuilder)
{
try
{
if (GetIContextMenu(files, parentFolder, hwndOwner, out iContextMenuPtr, out iContextMenu))
{
// get some properties about our file(s)
bool allFolders = ItemsAllFolders(files);
CMF flags = CMF.EXPLORE |
CMF.ITEMMENU |
((Control.ModifierKeys & Keys.Shift) != 0 ? CMF.EXTENDEDVERBS : 0);
if (canRename)
{
flags |= CMF.CANRENAME;
}
if (!isInteractive)
{
flags |= CMF.DEFAULTONLY;
}
nativeMenuPtr = Interop.CreatePopupMenu();
uint numPrepended = ConfigureMenuItems(allFolders, nativeMenuPtr, preBuilder);
iContextMenu.QueryContextMenu(
nativeMenuPtr,
numPrepended,
Interop.CMD_FIRST,
Interop.CMD_LAST,
flags);
ConfigureMenuItems(allFolders, nativeMenuPtr, postBuilder);
if (isInteractive)
{
if (Marshal.QueryInterface(iContextMenuPtr, ref Interop.IID_IContextMenu2,
out iContextMenu2Ptr) == NativeMethods.S_OK)
{
if (iContextMenu2Ptr != IntPtr.Zero)
{
try
{
iContextMenu2 =
(IContextMenu2)Marshal.GetTypedObjectForIUnknown(iContextMenu2Ptr, typeof(IContextMenu2));
}
catch (Exception e)
{
ShellLogger.Error($"ShellItemContextMenu: Error retrieving IContextMenu2 interface: {e.Message}");
}
}
}
if (Marshal.QueryInterface(iContextMenuPtr, ref Interop.IID_IContextMenu3,
out iContextMenu3Ptr) == NativeMethods.S_OK)
{
if (iContextMenu3Ptr != IntPtr.Zero)
{
try
{
iContextMenu3 =
(IContextMenu3)Marshal.GetTypedObjectForIUnknown(iContextMenu3Ptr, typeof(IContextMenu3));
}
catch (Exception e)
{
ShellLogger.Error($"ShellItemContextMenu: Error retrieving IContextMenu3 interface: {e.Message}");
}
}
}
ShowMenu(files, allFolders);
}
else
{
uint selected = Interop.GetMenuDefaultItem(nativeMenuPtr, 0, 0);
HandleMenuCommand(files, selected, allFolders);
}
}
else
{
ShellLogger.Error("ShellItemContextMenu: Error retrieving IContextMenu");
}
}
catch (Exception e)
{
ShellLogger.Error($"ShellItemContextMenu: Error building context menu: {e.Message}");
}
finally
{
FreeResources();
foreach (var subMenu in ShellNewMenus)
{
subMenu.FreeResources();
}
}
}
public ShellItemContextMenu(ShellItem[] files, ShellFolder parentFolder, IntPtr hwndOwner, ItemSelectAction itemSelected, bool isInteractive, ShellMenuCommandBuilder preBuilder, ShellMenuCommandBuilder postBuilder) : this(files, parentFolder, hwndOwner, itemSelected, isInteractive, true, preBuilder, postBuilder)
{
}
public ShellItemContextMenu(ShellItem[] files, ShellFolder parentFolder, IntPtr hwndOwner, ItemSelectAction itemSelected, bool isInteractive) : this(files, parentFolder, hwndOwner, itemSelected, isInteractive, new ShellMenuCommandBuilder(), new ShellMenuCommandBuilder())
{
}