[Winforms] Remove white border in fullscreen window

r0x0r · Sep 4, 2024 · ca10170 · ca10170
1 parent 26db906
commit ca10170
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/webview/platforms/winforms.py b/webview/platforms/winforms.py
@@ -472,6 +472,10 @@ def _toggle():
                         self.old_screen.Bounds.Height,
                         64,
                     )
+                    # disable window rounding
+                    DwmSetWindowAttribute(self.Handle.ToInt32(), 33, 1)
+                    # hide window border
+                    DwmSetWindowAttribute(self.Handle.ToInt32(), 34, 0xFFFFFFFE)
                 else:
                     self.WindowState = WinForms.FormWindowState.Normal
                     self.FormBorderStyle = self.old_style
@@ -485,6 +489,11 @@ def _toggle():
                         self.Location = self.old_location
                         self.Size = self.old_size
 
+                    # enable window rounding
+                    DwmSetWindowAttribute(self.Handle.ToInt32(), 33, 0)
+                    # show window border
+                    DwmSetWindowAttribute(self.Handle.ToInt32(), 34, 0xFFFFFFFF)
+
             if self.InvokeRequired:
                 self.Invoke(Func[Type](_toggle))
             else: