From b60f66cbbfa9197b6b5e6bf00ccc435211a5de90 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Mon, 25 May 2026 15:49:44 +0900
Subject: [PATCH] [SHELL32] CPrinterFolder: Support IQueryAssociations (#9060)

ShellExecute implementation requires
a valid IQueryAssociations interface.
https://learn.microsoft.com/en-us/windows/win32/shell/nse-implement
JIRA issue: CORE-20467
Enhance CPrinterFolder::GetUIObjectOf
for IQueryAssociations.
---
 dll/win32/shell32/folders/CPrinterFolder.cpp | 17 +++++++++++++++++
 dll/win32/shell32/folders/CPrinterFolder.h   |  5 +++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/dll/win32/shell32/folders/CPrinterFolder.cpp b/dll/win32/shell32/folders/CPrinterFolder.cpp
index 8d9553117f6..2b55d762868 100644
--- a/dll/win32/shell32/folders/CPrinterFolder.cpp
+++ b/dll/win32/shell32/folders/CPrinterFolder.cpp
@@ -323,6 +323,21 @@ HRESULT WINAPI CPrinterFolder::GetAttributesOf(UINT cidl, PCUITEMID_CHILD_ARRAY
     return hr;
 }
 
+HRESULT CPrinterFolder::_AssocCreate(REFIID riid, PVOID *ppvObj)
+{
+    IQueryAssociations *pAssoc;
+    HRESULT hr = ::AssocCreate(CLSID_QueryAssociations, IID_PPV_ARG(IQueryAssociations, &pAssoc));
+    if (FAILED_UNEXPECTEDLY(hr))
+        return hr;
+
+    hr = pAssoc->Init(ASSOCF_NONE, L"Printers", NULL, NULL);
+    if (SUCCEEDED(hr))
+        hr = pAssoc->QueryInterface(riid, ppvObj);
+
+    pAssoc->Release();
+    return hr;
+}
+
 /**************************************************************************
  *    CPrinterFolder::GetUIObjectOf
  *
@@ -351,6 +366,8 @@ HRESULT WINAPI CPrinterFolder::GetUIObjectOf(HWND hwndOwner, UINT cidl, PCUITEMI
 
     if ((IsEqualIID (riid, IID_IExtractIconA) || IsEqualIID(riid, IID_IExtractIconW)) && cidl == 1)
         hr = CPrintersExtractIconW_CreateInstane(apidl[0], riid, &pObj);
+    else if (IsEqualIID(riid, IID_IQueryAssociations))
+        hr = _AssocCreate(riid, &pObj);
     else
         hr = E_NOINTERFACE;
 
diff --git a/dll/win32/shell32/folders/CPrinterFolder.h b/dll/win32/shell32/folders/CPrinterFolder.h
index 57a2fda40cb..6f22ea74a5d 100644
--- a/dll/win32/shell32/folders/CPrinterFolder.h
+++ b/dll/win32/shell32/folders/CPrinterFolder.h
@@ -32,10 +32,11 @@ class CPrinterFolder :
 {
     private:
         CLSID *pclsid;
-
         LPITEMIDLIST pidlRoot;  /* absolute pidl */
-
         int dwAttributes;        /* attributes returned by GetAttributesOf FIXME: use it */
+
+        HRESULT _AssocCreate(REFIID riid, PVOID *ppvObj);
+
     public:
         CPrinterFolder();
         ~CPrinterFolder();