From bde474e0af2027506a0a3de981d03d93433de2b5 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 19 Jan 2026 10:01:30 +0100
Subject: Windows: error dragging window between differently scaled display -
 cont'd (#1127)

---
 src/Fl_win32.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index da7f70e4d..52b3af305 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -1275,7 +1275,7 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar
             sd->update_scaling_capability();
           } else if (ns != old_ns) {
             // jump window with Windows+Shift+L|R-arrow to other screen with other DPI
-            if (ns >= 0) window->screen_num(ns);
+            if (ns >= 0) Fl_Window_Driver::driver(window)->screen_num(ns);
             UINT flags = SWP_NOSENDCHANGING | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOCOPYBITS;
             SetWindowPos(hWnd, NULL, lParam_rect->left, lParam_rect->top,
                          lParam_rect->right - lParam_rect->left,
-- 
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