Disable rounded corners

Margen67 · Dec 16, 2024 · 5443271 · 5443271
1 parent 50334cb
commit 5443271
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/gui/WndMain.cpp b/src/gui/WndMain.cpp
@@ -56,6 +56,8 @@
 #undef GetSystemMetrics // Force remove DirectX 8's multimon.h defined function (redirect to xGetSystemMetrics).
 #include <WinUser.h> // For GetSystemMetrics
 
+#include <dwmapi.h>
+
 #include <io.h>
 #include <shlobj.h>
 
@@ -257,6 +259,10 @@ LRESULT CALLBACK WndMain::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lP
     {
         case WM_CREATE:
         {
+						// Remove rounded corners from the render window on Windows 11
+						const DWM_WINDOW_CORNER_PREFERENCE corner_preference = DWMWCP_DONOTROUND;
+						DwmSetWindowAttribute(hwnd, DWMWA_WINDOW_CORNER_PREFERENCE, &corner_preference,
+																	sizeof(corner_preference));
             // initialize menu
             {
                 HMENU hMenu = LoadMenu(m_hInstance, MAKEINTRESOURCE(IDR_MAINMENU));