[PATCH 4/7] comctl32: Implement OBJID_QUERYCLASSNAMEIDX for listviews.

[Esme Povirk]

From: Esme Povirk

---
 dlls/comctl32/listview.c       | 5 +++++
 dlls/comctl32/tests/listview.c | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c
index fd2abfd1928..b2856db471c 100644
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -11862,6 +11862,11 @@ LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
   case WM_GETFONT:
     return (LRESULT)infoPtr->hFont;

+  case WM_GETOBJECT:
+    if ((LONG)lParam == OBJID_QUERYCLASSNAMEIDX)
+      return 0x10013;
+    return DefWindowProcW(hwnd, uMsg, wParam, lParam);
+
   case WM_HSCROLL:
     return LISTVIEW_HScroll(infoPtr, (INT)LOWORD(wParam), 0);

diff --git a/dlls/comctl32/tests/listview.c b/dlls/comctl32/tests/listview.c
index 951def8fe0f..cea730a76c4 100644
--- a/dlls/comctl32/tests/listview.c
+++ b/dlls/comctl32/tests/listview.c
@@ -1086,6 +1086,7 @@ static void test_images(void)
     HIMAGELIST himl;
     HBITMAP hbmp;
     RECT r1, r2;
+    DWORD objid;
     static CHAR hello[] = "hello";

himl = pImageList_Create(40, 40, 0, 4, 4);
@@ -1101,6 +1102,9 @@ static void test_images(void)
                 10, 10, 100, 200, hwndparent, NULL, NULL, NULL);
     ok(hwnd != NULL, "failed to create listview window\n");

+    objid = SendMessageA(hwnd, WM_GETOBJECT, 0, OBJID_QUERYCLASSNAMEIDX);
+    ok(objid == 0x10013, "Unexpected objid %lu.\n", objid);
+
     r = SendMessageA(hwnd, LVM_SETEXTENDEDLISTVIEWSTYLE, 0,
                     LVS_EX_UNDERLINEHOT | LVS_EX_FLATSB | LVS_EX_ONECLICKACTIVATE);