commit 3c620b0c0394b754597f68fdd9da5de76156f3ce
author Bram Moolenaar <Bram@vim.org> Thu Feb 24 11:39:43 2022 +0000
committer Bram Moolenaar <Bram@vim.org> Thu Feb 24 11:39:43 2022 +0000
tree e344d9dda7a9af89646c4835fb2407421ed4b98b
parent dea5ab0fc5bb51105078d5349f987496b1aa8d6f

patch 8.2.4461: MS-Windows: garbage characters on stdout with VIMDLL

Problem:    MS-Windows: garbage characters on stdout with VIMDLL.
Solution:   Don't call gui_focus_change() when about to quit. (Ken Takata,
            closes #9840)

src/gui_w32.c

diff --git a/src/gui_w32.c b/src/gui_w32.c
index b5ddc5d..ec62671 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -2899,6 +2899,8 @@
     HWND hwnd,
     HWND hwndNewFocus)
 {
+    if (destroying)
+	return;
     gui_focus_change(FALSE);
     s_getting_focus = FALSE;
     (void)DefWindowProcW(hwnd, WM_KILLFOCUS, (WPARAM)hwndNewFocus, 0);