comctl32/treeview: Send TVN_KEYDOWN in response of WM_KEYDOWN.

dlls/comctl32/tests/treeview.c

@@ -206,7 +206,7 @@ static const struct message parent_expand_seq[] = {
 };
 
 static const struct message parent_expand_kb_seq[] = {
-    { WM_NOTIFY, sent|id|optional, 0, 0, TVN_KEYDOWN },
+    { WM_NOTIFY, sent|id, 0, 0, TVN_KEYDOWN },
     { WM_NOTIFY, sent|id, 0, 0, TVN_ITEMEXPANDINGA },
     { WM_NOTIFY, sent|id, 0, 0, TVN_ITEMEXPANDEDA },
     { WM_CHANGEUISTATE, sent|optional },
@@ -221,7 +221,7 @@ static const struct message parent_collapse_2nd_kb_seq[] = {
 };
 
 static const struct message parent_expand_empty_kb_seq[] = {
-    { WM_NOTIFY, sent|id|optional, 0, 0, TVN_KEYDOWN },
+    { WM_NOTIFY, sent|id, 0, 0, TVN_KEYDOWN },
     { WM_CHANGEUISTATE, sent|optional },
     { 0 }
 };

dlls/comctl32/treeview.c

@@ -5201,11 +5201,15 @@ TREEVIEW_KeyDown(TREEVIEW_INFO *infoPtr, WPARAM wParam)
 {
     /* If it is non-NULL and different, it will be selected and visible. */
     TREEVIEW_ITEM *newSelection = NULL;
-
     TREEVIEW_ITEM *prevItem = infoPtr->selectedItem;
+    NMTVKEYDOWN nmkeydown;
 
     TRACE("%lx\n", wParam);
 
+    nmkeydown.wVKey = wParam;
+    nmkeydown.flags = 0;
+    TREEVIEW_SendRealNotify(infoPtr, TVN_KEYDOWN, &nmkeydown.hdr);
+
     if (prevItem == NULL)
 	return FALSE;