[PATCH 7/7] comctl32: Implement OBJID_QUERYCLASSNAMEIDX for treeview controls.

[Esme Povirk]

From: Esme Povirk

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

diff --git a/dlls/comctl32/tests/treeview.c b/dlls/comctl32/tests/treeview.c
index 5b53a32f51b..196b1cda520 100644
--- a/dlls/comctl32/tests/treeview.c
+++ b/dlls/comctl32/tests/treeview.c
@@ -501,9 +501,13 @@ static void test_fillroot(void)
 {
     TVITEMA tvi;
     HWND hTree;
+    DWORD objid;

hTree = create_treeview_control(0);

+    objid = SendMessageA(hTree, WM_GETOBJECT, 0, OBJID_QUERYCLASSNAMEIDX);
+    ok(objid == 0x10019, "Unexpected objid %lu.\n", objid);
+
     flush_sequences(sequences, NUM_MSG_SEQUENCES);

fill_tree(hTree);
diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c
index 073f62c66a2..22396c83f4b 100644
--- a/dlls/comctl32/treeview.c
+++ b/dlls/comctl32/treeview.c
@@ -5862,6 +5862,11 @@ TREEVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
     case WM_GETFONT:
    return TREEVIEW_GetFont(infoPtr);

+    case WM_GETOBJECT:
+        if ((LONG)lParam == OBJID_QUERYCLASSNAMEIDX)
+            return 0x10019;
+        goto def;
+
     case WM_HSCROLL:
    return TREEVIEW_HScroll(infoPtr, wParam);