public static extern HWND CreateWindowExW(
DWORD dwExStyle,
[MarshalAs(UnmanagedType.LPWStr)] string lpClassName,
[MarshalAs(UnmanagedType.LPWStr)] string lpWindowName,
Win32WindowStyle dwStyle,
int x,
int y,
int nWidth,
int nHeight,
HWND hWndParent,
HMENU hMenu,
HINSTANCE hInstance,
LPVOID lpParam
);
public static MenuItemInfo[] GetMenuItems(HMENU hMenu)
{
if (hMenu.IsNull)
{
return(new MenuItemInfo[0]);
}
var SubMenus = new MenuItemInfo[GetMenuItemCount(hMenu)];
for (uint i = 0; i < SubMenus.Length; i++)
{
SubMenus[i] = new MenuItemInfo(hMenu, i);
}
return(SubMenus);
}
internal MenuItemInfo(HMENU hMenu, uint idx)
{
using var strmem = new SafeHGlobalHandle(512);
var mii = new MENUITEMINFO
{
cbSize = (uint)Marshal.SizeOf(typeof(MENUITEMINFO)),
fMask = MenuItemInfoMask.MIIM_ID | MenuItemInfoMask.MIIM_SUBMENU | MenuItemInfoMask.MIIM_FTYPE | MenuItemInfoMask.MIIM_STRING | MenuItemInfoMask.MIIM_STATE | MenuItemInfoMask.MIIM_BITMAP,
fType = MenuItemType.MFT_STRING,
dwTypeData = (IntPtr)strmem,
cch = strmem.Size / (uint)StringHelper.GetCharSize()
};
Win32Error.ThrowLastErrorIfFalse(GetMenuItemInfo(hMenu, idx, true, ref mii));
Id = mii.wID;
Text = mii.fType.IsFlagSet(MenuItemType.MFT_SEPARATOR) ? "-" : mii.fType.IsFlagSet(MenuItemType.MFT_STRING) ? strmem.ToString(-1, CharSet.Auto) : "";
Type = mii.fType;
State = mii.fState;
BitmapHandle = mii.hbmpItem;
SubMenus = GetMenuItems(mii.hSubMenu);
}
HRESULT IContextMenu.QueryContextMenu(HMENU hmenu, uint indexMenu, uint idCmdFirst, uint idCmdLast, CMF uFlags)
{
throw new NotImplementedException();
//if (!uFlags.IsFlagSet(CMF.CMF_DEFAULTONLY) && base.MenuItems.Count > 0)
//{
// var cmdId = idCmdFirst;
// var idx = indexMenu;
// using var str = new SafeCoTaskMemString(512, CharSet.Auto);
// var info = new MENUITEMINFO(0) { dwTypeData = (IntPtr)str };
// foreach (var menuItem in base.MenuItems.OfType<MenuItem>().Where(i => i.Visible))
// {
// info.cch = (uint)str.Capacity;
// info.fMask = (MenuItemInfoMask)0x1ffU;
// GetMenuItemInfo(Handle, (uint)menuItem.Index, true, ref info);
// info.wID = cmdId++;
// InsertMenuItem(hmenu, idx++, true, ref info);
// }
// return HRESULT.Make(false, HRESULT.FacilityCode.FACILITY_NULL, cmdId - idCmdFirst + 1);
//}
//return HRESULT.Make(false, HRESULT.FacilityCode.FACILITY_NULL, 0);
}
public HRESULT SetMenu(HMENU hmenu, HWND hwnd, [NativeTypeName("DWORD")] uint dwFlags)
{
return(((delegate * unmanaged <IShellMenu *, HMENU, HWND, uint, int>)(lpVtbl[7]))((IShellMenu *)Unsafe.AsPointer(ref this), hmenu, hwnd, dwFlags));
}
public HWND Create(HWND hwndParent, LPCTSTR strName, DWORD dwStyle, DWORD dwExStyle, int x, int y, int cx, int cy, HMENU hMenu)
{
if (GetSuperClassName() != null && !RegisterSuperclass())
{
return(IntPtr.Zero);
}
if (GetSuperClassName() == null && !RegisterWindowClass())
{
return(IntPtr.Zero);
}
m_hWnd = NativeMethods.CreateWindowEx(dwExStyle, GetWindowClassName(), strName, dwStyle, x, y, cx, cy, hwndParent, hMenu, DuiUIManager.GetInstance(), m_pointer);
Debug.Assert(m_hWnd != IntPtr.Zero);
return(m_hWnd);
}
public static extern int GetMenuItemCount(HMENU hmenu);
public HRESULT InsertMenuEntries(IUnknown *punk, HMENU hmenu, int nPos, int idFirst, int idLast, [NativeTypeName("DWORD")] uint dwFlags)
{
return(((delegate * unmanaged <ITravelLog *, IUnknown *, HMENU, int, int, int, uint, int>)(lpVtbl[10]))((ITravelLog *)Unsafe.AsPointer(ref this), punk, hmenu, nPos, idFirst, idLast, dwFlags));
}
public static HWND CreateWindowW([NativeTypeName("LPCWSTR")] ushort *lpClassName, [NativeTypeName("LPCWSTR")] ushort *lpWindowName, [NativeTypeName("DWORD")] uint dwStyle, int x, int y, int nWidth, int nHeight, HWND hWndParent, HMENU hMenu, HINSTANCE hInstance, [NativeTypeName("LPVOID")] void *lpParam) => CreateWindowExW(0, lpClassName, lpWindowName, dwStyle, x, y, nWidth, nHeight, hWndParent, hMenu, hInstance, lpParam);
public static extern bool EnableMenuItem(HMENU hMenu, uint uIDEnableItem, uint uEnable);
public HRESULT SetMenuSB(HMENU hmenuShared, [NativeTypeName("HOLEMENU")] HGLOBAL holemenuRes, HWND hwndActiveObject)
{
return(((delegate * unmanaged <IShellBrowser *, HMENU, HGLOBAL, HWND, int>)(lpVtbl[6]))((IShellBrowser *)Unsafe.AsPointer(ref this), hmenuShared, holemenuRes, hwndActiveObject));
}
public HRESULT RemoveMenusSB(HMENU hmenuShared)
{
return(((delegate * unmanaged <IShellBrowser *, HMENU, int>)(lpVtbl[7]))((IShellBrowser *)Unsafe.AsPointer(ref this), hmenuShared));
}
public HRESULT InsertMenusSB(HMENU hmenuShared, [NativeTypeName("LPOLEMENUGROUPWIDTHS")] OLEMENUGROUPWIDTHS *lpMenuWidths)
{
return(((delegate * unmanaged <IShellBrowser *, HMENU, OLEMENUGROUPWIDTHS *, int>)(lpVtbl[5]))((IShellBrowser *)Unsafe.AsPointer(ref this), hmenuShared, lpMenuWidths));
}
/// <summary>Gets the menu information set by calling IShellMenu::SetMenu.</summary> /// <param name="phmenu"> /// <para>Type: <c>HMENU*</c></para> /// <para> /// When this method returns, contains a pointer to an <c>HMENU</c> value that receives the hmenu value that you specified when /// you called IShellMenu::SetMenu. This value can be <c>NULL</c>. /// </para> /// </param> /// <param name="phwnd"> /// <para>Type: <c>HWND*</c></para> /// <para> /// When this method returns, contains a pointer to an <c>HWND</c> value that receives the hwnd value that you specified when /// you called IShellMenu::SetMenu. This value can be <c>NULL</c>. /// </para> /// </param> /// <param name="pdwFlags"> /// <para>Type: <c>DWORD*</c></para> /// <para> /// When this method returns, contains a pointer to a <c>DWORD</c> value that receives the dwFlags value that you specified when /// you called IShellMenu::SetMenu. This value can be <c>NULL</c>. /// </para> /// </param> /// <returns> /// <para>Type: <c>HRESULT</c></para> /// <para>If this method succeeds, it returns <c>S_OK</c>. Otherwise, it returns an <c>HRESULT</c> error code.</para> /// </returns> // https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-ishellmenu-getmenu HRESULT GetMenu( HMENU // *phmenu, HWND *phwnd, DWORD *pdwFlags ); void GetMenu(out HMENU phmenu, out HWND phwnd, out SMSET pdwFlags);
/// <summary>Appends a static menu to the menu band.</summary> /// <param name="hmenu"> /// <para>Type: <c>HMENU</c></para> /// <para>The handle of the static menu that is to be appended. This value can be <c>NULL</c>.</para> /// </param> /// <param name="hwnd"> /// <para>Type: <c>HWND</c></para> /// <para>The <c>HWND</c> of the owner window. This value can be <c>NULL</c>.</para> /// </param> /// <param name="dwFlags"> /// <para>Type: <c>DWORD</c></para> /// <para>Flags that specify how the menu operates.</para> /// <para>SMSET_BOTTOM</para> /// <para>Attach the menu to the bottom of the parent menu.</para> /// <para>SMSET_TOP</para> /// <para>Attach the menu to the top of the parent menu.</para> /// <para>SMSET_DONTOWN</para> /// <para>The menu band does not own the menu named in hwnd, so should that menu eventually be replaced, it should not be destroyed.</para> /// </param> // https://docs.microsoft.com/en-us/windows/win32/api/shobjidl_core/nf-shobjidl_core-ishellmenu-setmenu HRESULT SetMenu( HMENU // hmenu, HWND hwnd, DWORD dwFlags ); void SetMenu([In, Optional] HMENU hmenu, [In, Optional] HWND hwnd, SMSET dwFlags);
public HRESULT RemoveMenus(HMENU hmenuShared)
{
return(((delegate * unmanaged <IOleInPlaceFrame *, HMENU, int>)(lpVtbl[11]))((IOleInPlaceFrame *)Unsafe.AsPointer(ref this), hmenuShared));
}
private static ContextMenuPackage[] FetchContextMenuCore(Shell32.IContextMenu Context, HMENU Menu)
{
int MenuItemNum = User32.GetMenuItemCount(Menu);
List <ContextMenuPackage> MenuItems = new List <ContextMenuPackage>(MenuItemNum);
for (uint i = 0; i < MenuItemNum; i++)
{
IntPtr DataHandle = Marshal.AllocHGlobal(BufferSize);
try
{
User32.MENUITEMINFO Info = new User32.MENUITEMINFO
{
cbSize = Convert.ToUInt32(Marshal.SizeOf(typeof(User32.MENUITEMINFO))),
fMask = User32.MenuItemInfoMask.MIIM_ID | User32.MenuItemInfoMask.MIIM_SUBMENU | User32.MenuItemInfoMask.MIIM_FTYPE | User32.MenuItemInfoMask.MIIM_STRING | User32.MenuItemInfoMask.MIIM_STATE | User32.MenuItemInfoMask.MIIM_BITMAP,
dwTypeData = DataHandle,
cch = BufferSize
};
if (User32.GetMenuItemInfo(Menu, i, true, ref Info))
{
if (Info.fType.IsFlagSet(User32.MenuItemType.MFT_STRING) && !Info.fState.IsFlagSet(User32.MenuItemState.MFS_DISABLED))
{
IntPtr VerbHandle = Marshal.AllocHGlobal(BufferSize);
try
{
string Verb = Context.GetCommandString(new IntPtr(Info.wID), Shell32.GCS.GCS_VERBW, IntPtr.Zero, VerbHandle, Convert.ToUInt32(BufferSize)).Succeeded ? Marshal.PtrToStringUni(VerbHandle) : string.Empty;
if (!VerbFilterHashSet.Contains(Verb.ToLower()))
{
try
{
string Name = Marshal.PtrToStringUni(DataHandle);
if (!string.IsNullOrEmpty(Name) && !NameFilterHashSet.Contains(Name))
{
ContextMenuPackage Package = new ContextMenuPackage
{
Name = Regex.Replace(Name, @"\(&\S*\)|&", string.Empty),
Id = Convert.ToInt32(Info.wID),
Verb = Verb
};
if (Info.hbmpItem != HBITMAP.NULL && ((IntPtr)Info.hbmpItem).ToInt64() != -1)
{
using (Bitmap OriginBitmap = Info.hbmpItem.ToBitmap())
{
BitmapData OriginData = OriginBitmap.LockBits(new Rectangle(0, 0, OriginBitmap.Width, OriginBitmap.Height), ImageLockMode.ReadOnly, OriginBitmap.PixelFormat);
try
{
using (Bitmap ArgbBitmap = new Bitmap(OriginBitmap.Width, OriginBitmap.Height, OriginData.Stride, PixelFormat.Format32bppArgb, OriginData.Scan0))
using (MemoryStream Stream = new MemoryStream())
{
ArgbBitmap.Save(Stream, ImageFormat.Png);
Package.IconData = Stream.ToArray();
}
}
finally
{
OriginBitmap.UnlockBits(OriginData);
}
}
}
else
{
Package.IconData = Array.Empty <byte>();
}
if (Info.hSubMenu != HMENU.NULL)
{
Package.SubMenus = FetchContextMenuCore(Context, Info.hSubMenu);
}
else
{
Package.SubMenus = Array.Empty <ContextMenuPackage>();
}
MenuItems.Add(Package);
}
}
catch
{
continue;
}
}
}
finally
{
Marshal.FreeHGlobal(VerbHandle);
}
}
}
}
finally
{
Marshal.FreeHGlobal(DataHandle);
}
}
return(MenuItems.ToArray());
}
public static extern bool DestroyMenu(HMENU hmenu);
public static extern bool ModifyMenu(HMENU hmenu, uint uPosition, uint uFlags, UIntPtr uIDNewItem, string lpNewItem);
public static extern bool GetMenuInfo(HMENU hmenu, [In, Out] ref MENUINFO mi);
public static extern bool SetMenu(HWND hwnd, HMENU hmenu);
public static extern HMENU GetSubMenu(HMENU hmenu, int nPos);
public HRESULT InsertMenus(HMENU hmenuShared, [NativeTypeName("LPOLEMENUGROUPWIDTHS")] OLEMENUGROUPWIDTHS *lpMenuWidths)
{
return(((delegate * unmanaged <IOleInPlaceFrame *, HMENU, OLEMENUGROUPWIDTHS *, int>)(lpVtbl[9]))((IOleInPlaceFrame *)Unsafe.AsPointer(ref this), hmenuShared, lpMenuWidths));
}
public static extern bool RemoveMenu(HMENU hmenu, uint uPosition, uint uFlags);
private static extern HWND CreateWindowEx(
DWORD dwExStyle, LPCTSTR lpClassName, LPCTSTR lpWindowName,
DWORD dwStyle, Int32 x, Int32 y, Int32 nWidth, Int32 nHeight,
HWND hWndParent, HMENU hMenu, HINSTANCE hInstance, LPVOID lpParam);
public static extern bool SetMenuInfo(HMENU hmenu, [In] ref MENUINFO mi);
public static extern HWND CreateWindowEx(
DWORD dwExStyle, LPCTSTR lpClassName, LPCTSTR lpWindowName,
DWORD dwStyle, Int32 x, Int32 y, Int32 nWidth, Int32 nHeight,
HWND hWndParent, HMENU hMenu, HINSTANCE hInstance, [MarshalAs(UnmanagedType.AsAny)] object pvParam);
private static void EnumMenuItems(
Shell32.IContextMenu cMenu,
HMENU hMenu,
List <Win32ContextMenuItem> menuItemsResult,
Func <string, bool> itemFilter = null)
{
var itemCount = User32.GetMenuItemCount(hMenu);
var mii = new User32.MENUITEMINFO();
mii.cbSize = (uint)Marshal.SizeOf(mii);
mii.fMask = User32.MenuItemInfoMask.MIIM_BITMAP
| User32.MenuItemInfoMask.MIIM_FTYPE
| User32.MenuItemInfoMask.MIIM_STRING
| User32.MenuItemInfoMask.MIIM_ID
| User32.MenuItemInfoMask.MIIM_SUBMENU;
for (uint ii = 0; ii < itemCount; ii++)
{
var menuItem = new ContextMenuItem();
var container = new SafeCoTaskMemString(512);
mii.dwTypeData = (IntPtr)container;
mii.cch = (uint)container.Capacity - 1; // https://devblogs.microsoft.com/oldnewthing/20040928-00/?p=37723
var retval = User32.GetMenuItemInfo(hMenu, ii, true, ref mii);
if (!retval)
{
container.Dispose();
continue;
}
menuItem.Type = (MenuItemType)mii.fType;
menuItem.ID = (int)(mii.wID - 1); // wID - idCmdFirst
if (menuItem.Type == MenuItemType.MFT_STRING)
{
Debug.WriteLine("Item {0} ({1}): {2}", ii, mii.wID, mii.dwTypeData);
menuItem.Label = mii.dwTypeData;
menuItem.CommandString = GetCommandString(cMenu, mii.wID - 1);
if (itemFilter != null && (itemFilter(menuItem.CommandString) || itemFilter(menuItem.Label)))
{
// Skip items implemented in UWP
container.Dispose();
continue;
}
if (mii.hbmpItem != HBITMAP.NULL && !Enum.IsDefined(typeof(HBITMAP_HMENU), ((IntPtr)mii.hbmpItem).ToInt64()))
{
var bitmap = GetBitmapFromHBitmap(mii.hbmpItem);
if (bitmap != null)
{
menuItem.Icon = bitmap;
}
}
if (mii.hSubMenu != HMENU.NULL)
{
Debug.WriteLine("Item {0}: has submenu", ii);
var subItems = new List <Win32ContextMenuItem>();
try
{
(cMenu as Shell32.IContextMenu2)?.HandleMenuMsg((uint)User32.WindowMessage.WM_INITMENUPOPUP, (IntPtr)mii.hSubMenu, new IntPtr(ii));
}
catch (NotImplementedException)
{
// Only for dynamic/owner drawn? (open with, etc)
}
EnumMenuItems(cMenu, mii.hSubMenu, subItems, itemFilter);
menuItem.SubItems = subItems;
Debug.WriteLine("Item {0}: done submenu", ii);
}
}
else
{
Debug.WriteLine("Item {0}: {1}", ii, mii.fType.ToString());
}
container.Dispose();
menuItemsResult.Add(menuItem);
}
}
private static ContextMenuPackage[] FetchContextMenuCore(Shell32.IContextMenu Context, HMENU Menu, string[] RelatedPath, bool IncludeExtensionItem)
{
int MenuItemNum = User32.GetMenuItemCount(Menu);
List <ContextMenuPackage> MenuItems = new List <ContextMenuPackage>(MenuItemNum);
for (uint i = 0; i < MenuItemNum; i++)
{
IntPtr DataHandle = Marshal.AllocCoTaskMem(BufferSize);
try
{
User32.MENUITEMINFO Info = new User32.MENUITEMINFO
{
cbSize = Convert.ToUInt32(Marshal.SizeOf(typeof(User32.MENUITEMINFO))),
fMask = User32.MenuItemInfoMask.MIIM_ID | User32.MenuItemInfoMask.MIIM_SUBMENU | User32.MenuItemInfoMask.MIIM_FTYPE | User32.MenuItemInfoMask.MIIM_STRING | User32.MenuItemInfoMask.MIIM_STATE | User32.MenuItemInfoMask.MIIM_BITMAP,
dwTypeData = DataHandle,
cch = CchMax
};
if (User32.GetMenuItemInfo(Menu, i, true, ref Info))
{
if (Info.fType.IsFlagSet(User32.MenuItemType.MFT_STRING) && !Info.fState.IsFlagSet(User32.MenuItemState.MFS_DISABLED))
{
IntPtr VerbWHandle = IntPtr.Zero;
IntPtr VerbAHandle = IntPtr.Zero;
string Verb = null;
try
{
VerbWHandle = Marshal.AllocCoTaskMem(BufferSize);
if (Context.GetCommandString(new IntPtr(Info.wID), Shell32.GCS.GCS_VERBW, IntPtr.Zero, VerbWHandle, CchMax).Succeeded)
{
Verb = Marshal.PtrToStringUni(VerbWHandle);
}
if (string.IsNullOrEmpty(Verb))
{
VerbAHandle = Marshal.AllocCoTaskMem(BufferSize);
if (Context.GetCommandString(new IntPtr(Info.wID), Shell32.GCS.GCS_VERBA, IntPtr.Zero, VerbAHandle, CchMax).Succeeded)
{
Verb = Marshal.PtrToStringAnsi(VerbAHandle);
}
}
}
catch (AccessViolationException AVE)
{
Verb = null;
LogTracer.Log(AVE, "Could not get verb from context menu item");
}
finally
{
if (VerbAHandle != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(VerbAHandle);
}
if (VerbWHandle != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(VerbWHandle);
}
}
Verb ??= string.Empty;
if (!VerbFilterHashSet.Contains(Verb.ToLower()))
{
try
{
string Name = Marshal.PtrToStringUni(DataHandle);
if (!string.IsNullOrEmpty(Name) && !NameFilterHashSet.Contains(Name))
{
ContextMenuPackage Package = new ContextMenuPackage
{
Name = Regex.Replace(Name, @"\(&\S*\)|&", string.Empty),
Id = Convert.ToInt32(Info.wID),
Verb = Verb,
IncludeExtensionItem = IncludeExtensionItem,
RelatedPath = RelatedPath
};
if (Info.hbmpItem != HBITMAP.NULL && ((IntPtr)Info.hbmpItem).ToInt64() != -1)
{
using (Bitmap OriginBitmap = Info.hbmpItem.ToBitmap())
{
BitmapData OriginData = OriginBitmap.LockBits(new Rectangle(0, 0, OriginBitmap.Width, OriginBitmap.Height), ImageLockMode.ReadOnly, OriginBitmap.PixelFormat);
try
{
using (Bitmap ArgbBitmap = new Bitmap(OriginBitmap.Width, OriginBitmap.Height, OriginData.Stride, PixelFormat.Format32bppArgb, OriginData.Scan0))
using (MemoryStream Stream = new MemoryStream())
{
ArgbBitmap.Save(Stream, ImageFormat.Png);
Package.IconData = Stream.ToArray();
}
}
finally
{
OriginBitmap.UnlockBits(OriginData);
}
}
}
else
{
Package.IconData = Array.Empty <byte>();
}
if (Info.hSubMenu != HMENU.NULL)
{
Package.SubMenus = FetchContextMenuCore(Context, Info.hSubMenu, RelatedPath, IncludeExtensionItem);
}
else
{
Package.SubMenus = Array.Empty <ContextMenuPackage>();
}
MenuItems.Add(Package);
}
}
catch
{
continue;
}
}
}
}
}
catch (Exception ex)
{
LogTracer.Log(ex, "Exception was threw when fetching the context menu item");
}
finally
{
Marshal.FreeCoTaskMem(DataHandle);
}
}
return(MenuItems.ToArray());
}
public HRESULT QueryContextMenu(HMENU hmenu, uint indexMenu, uint idCmdFirst, uint idCmdLast, uint uFlags)
{
return(((delegate * unmanaged <IContextMenu3 *, HMENU, uint, uint, uint, uint, int>)(lpVtbl[3]))((IContextMenu3 *)Unsafe.AsPointer(ref this), hmenu, indexMenu, idCmdFirst, idCmdLast, uFlags));
}
public static extern bool AppendMenu(HMENU hmenu, uint uFlags, UIntPtr uIDNewItem, string lpNewItem);
public MenuHandle(HMENU handle, bool ownsHandle = true)
{
HMENU = handle;
_ownsHandle = ownsHandle;
}
public static extern bool CheckMenuItem(HMENU hMenu, uint uIDEnableItem, uint uCheck);
public static extern HWND CreateWindowEx(uint dwExStyle, string stClassName, string stTitle, uint dwStyle, int x, int y, int w, int h, HWND hwndParent, HMENU hmenu, HINSTANCE hinst, [MarshalAs(UnmanagedType.AsAny)] object pvParam);
public HRESULT SetMenu(HMENU hmenuShared, [NativeTypeName("HOLEMENU")] HGLOBAL holemenu, HWND hwndActiveObject)
{
return(((delegate * unmanaged <IOleInPlaceFrame *, HMENU, HGLOBAL, HWND, int>)(lpVtbl[10]))((IOleInPlaceFrame *)Unsafe.AsPointer(ref this), hmenuShared, holemenu, hwndActiveObject));
}
