diff --git a/atom/browser/native_window_views.cc b/atom/browser/native_window_views.cc index 0a17b1787b52..af069191b83d 100644 --- a/atom/browser/native_window_views.cc +++ b/atom/browser/native_window_views.cc @@ -226,6 +226,13 @@ NativeWindowViews::NativeWindowViews(content::WebContents* web_contents, options.Get(switches::kUseContentSize, &use_content_size_) && use_content_size_) bounds = ContentBoundsToWindowBounds(bounds); + #if defined(OS_WIN) + else { + // set Window style so that we get a minimize and maximize animation when frameless + DWORD frame_style = WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_CAPTION; + ::SetWindowLong(GetAcceleratedWidget(), GWL_STYLE, frame_style); + } + #endif window_->UpdateWindowIcon(); window_->CenterWindow(bounds.size());