Open With - Remove Microsoft Store Menu Item 1.0.0

mods/remove-ms-store-open-with.wh.cpp

@@ -0,0 +1,104 @@
+// ==WindhawkMod==
+// @id              remove-ms-store-open-with
+// @name            Open With - Remove Microsoft Store Menu Item
+// @description     Removes the "Search with Microsoft Store" menu item from the "Open with" submenu
+// @version         1.0.0
+// @author          aubymori
+// @github          https://github.com/aubymori
+// @include         *
+// @compilerOptions -lshell32
+// ==/WindhawkMod==
+
+// ==WindhawkModReadme==
+/*
+# Open With - Remove Microsoft Store Menu Item
+
+This mod removes the "Search with Microsoft Store" item from the "Open with"
+submenu in File Explorer. The item is unremovable by normal means (MUI/registry
+editing).
+
+**Before**:
+
+![Before](https://raw.githubusercontent.com/aubymori/images/main/remove-ms-store-open-with-before.png)
+
+**After**:
+
+![After](https://raw.githubusercontent.com/aubymori/images/main/remove-ms-store-open-with-after.png)
+*/
+// ==/WindhawkModReadme==
+
+#include <processthreadsapi.h>
+#include <psapi.h>
+
+HMODULE   g_hShell32 = nullptr;
+ULONGLONG g_shell32Size = 0;
+// Same buffer size as in shell32
+WCHAR     g_szMsStore[80] = { 0 };
+
+using InsertMenuItemW_t = decltype(&InsertMenuItemW);
+InsertMenuItemW_t InsertMenuItemW_orig = nullptr;
+BOOL WINAPI InsertMenuItemW_hook(
+    HMENU            hmenu,
+    UINT             item,
+    BOOL             fByPosition,
+    LPCMENUITEMINFOW lpmi
+)
+{
+    // Ensure that we're only modifying menu items added from shell32
+    void *retaddr = __builtin_return_address(0);
+    if (((ULONGLONG)retaddr >= (ULONGLONG)g_hShell32) && ((ULONGLONG)retaddr < ((ULONGLONG)g_hShell32 + g_shell32Size)))
+    {
+        if (lpmi->fMask & MIIM_STRING && lpmi->dwTypeData && 0 == wcscmp(lpmi->dwTypeData, g_szMsStore))
+        {
+            return TRUE;
+        }
+    }
+    return InsertMenuItemW_orig(
+        hmenu,
+        item,
+        fByPosition,
+        lpmi
+    );
+}
+
+BOOL Wh_ModInit(void)
+{
+    g_hShell32 = LoadLibraryW(L"shell32.dll");
+    if (!g_hShell32)
+    {
+        Wh_Log(L"Failed to load shell32.dll");
+        return FALSE;
+    }
+
+    MODULEINFO miShell32 = { 0 };
+    if (!GetModuleInformation(
+        GetCurrentProcess(),
+        g_hShell32,
+        &miShell32,
+        sizeof(MODULEINFO)
+    ))
+    {
+        Wh_Log(L"Failed to get size of shell32.dll");
+        return FALSE;
+    }
+    g_shell32Size = miShell32.SizeOfImage;
+
+    LoadStringW(g_hShell32, 0x1506, g_szMsStore, 80);
+    if (!*g_szMsStore)
+    {
+        Wh_Log(L"Failed to load Microsoft Store string");
+        return FALSE;
+    }
+
+    if (!Wh_SetFunctionHook(
+        (void *)InsertMenuItemW,
+        (void *)InsertMenuItemW_hook,
+        (void **)&InsertMenuItemW_orig
+    ))
+    {
+        Wh_Log(L"Failed to hook InsertMenuItemW");
+        return FALSE;
+    }
+
+    return TRUE;
+}