[EXPLORER] Support Unicode on Start Button InvokeCommand (reactos#7644)

Support Unicode on Start Button
context menu for international text
support.
JIRA issue: N/A
- Support Unicode in
  CStartMenuBtnCtxMenu::InvokeCommand
  method by using
  CMINVOKECOMMANDINFOEX structure.

base/shell/explorer/startctxmnu.cpp

@@ -193,27 +193,37 @@ class CStartMenuBtnCtxMenu :
         InvokeCommand(LPCMINVOKECOMMANDINFO lpici)
     {
         UINT uiCmdId = PtrToUlong(lpici->lpVerb);
-        if (!IsShellCmdId((UINT_PTR)lpici->lpVerb))
+        if (!IsShellCmdId(uiCmdId))
         {
-            CMINVOKECOMMANDINFO cmici = { 0 };
-            CHAR szDir[MAX_PATH];
+            CMINVOKECOMMANDINFOEX cmici = { sizeof(cmici) };
 
             /* Setup and invoke the shell command */
-            cmici.cbSize = sizeof(cmici);
             cmici.hwnd = m_Owner;
+            cmici.nShow = SW_NORMAL;
+            cmici.fMask = CMIC_MASK_UNICODE;
+            WCHAR szVerbW[MAX_PATH];
             if (IS_INTRESOURCE(lpici->lpVerb))
+            {
                 cmici.lpVerb = MAKEINTRESOURCEA(uiCmdId - INNERIDOFFSET);
+                cmici.lpVerbW = MAKEINTRESOURCEW(uiCmdId - INNERIDOFFSET);
+            }
             else
+            {
                 cmici.lpVerb = lpici->lpVerb;
-            cmici.nShow = SW_NORMAL;
+                SHAnsiToUnicode(lpici->lpVerb, szVerbW, _countof(szVerbW));
+                cmici.lpVerbW = szVerbW;
+            }
 
-            /* FIXME: Support Unicode!!! */
-            if (SHGetPathFromIDListA(m_FolderPidl, szDir))
+            CHAR szDirA[MAX_PATH];
+            WCHAR szDirW[MAX_PATH];
+            if (SHGetPathFromIDListW(m_FolderPidl, szDirW))
             {
-                cmici.lpDirectory = szDir;
+                SHUnicodeToAnsi(szDirW, szDirA, _countof(szDirA));
+                cmici.lpDirectory = szDirA;
+                cmici.lpDirectoryW = szDirW;
             }
 
-            return m_Inner->InvokeCommand(&cmici);
+            return m_Inner->InvokeCommand((LPCMINVOKECOMMANDINFO)&cmici);
         }
         m_TrayWnd->ExecContextMenuCmd(uiCmdId);
         return S_OK;