include: Add header entries required for SHCreateDefaultContextMenu and CDefFolderMenu_Create2.

include/shlobj.h

@@ -1701,6 +1701,30 @@ static inline BOOL ILIsEmpty(LPCITEMIDLIST pidl)
     return !(pidl && pidl->mkid.cb);
 }
 
+#include <pshpack8.h>
+
+typedef struct {
+    HWND hwnd;
+    IContextMenuCB *pcmcb;
+    PCIDLIST_ABSOLUTE pidlFolder;
+    IShellFolder *psf;
+    UINT cidl;
+    PCUITEMID_CHILD_ARRAY apidl;
+    IUnknown *punkAssociationInfo;
+    UINT cKeys;
+    const HKEY *aKeys;
+} DEFCONTEXTMENU;
+
+#include <poppack.h>
+
+HRESULT WINAPI SHCreateDefaultContextMenu(const DEFCONTEXTMENU *pdcm, REFIID riid, void **ppv);
+
+typedef HRESULT (CALLBACK *LPFNDFMCALLBACK)(IShellFolder*,HWND,IDataObject*,UINT,WPARAM,LPARAM);
+
+HRESULT WINAPI CDefFolderMenu_Create2(LPCITEMIDLIST pidlFolder, HWND hwnd, UINT cidl,
+                                      LPCITEMIDLIST *apidl, IShellFolder *psf,
+                                      LPFNDFMCALLBACK lpfn, UINT nKeys, const HKEY *ahkeys,
+                                      IContextMenu **ppcm);
 
 #include <poppack.h>
 

include/shobjidl.idl

@@ -1586,6 +1586,23 @@ interface IContextMenu3 : IContextMenu2
 }
 
 
+[
+    object,
+    uuid(3409e930-5a39-11d1-83fa-00a0c90dc849),
+    pointer_default(unique),
+    local
+]
+interface IContextMenuCB : IUnknown
+{
+    HRESULT CallBack(
+        [in] IShellFolder *psf,
+        [in] HWND hwndOwner,
+        [in] IDataObject *pdtobj,
+        [in] UINT uMsg,
+        [in] WPARAM wParam,
+        [in] LPARAM lParam);
+}
+
 /*****************************************************************************
  * IShellExecuteHookA interface
  */