diff options
Diffstat (limited to 'ui/views')
| -rw-r--r-- | ui/views/widget/native_widget_win.cc | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/ui/views/widget/native_widget_win.cc b/ui/views/widget/native_widget_win.cc index fbf3834..841177a 100644 --- a/ui/views/widget/native_widget_win.cc +++ b/ui/views/widget/native_widget_win.cc @@ -151,12 +151,14 @@ LRESULT CALLBACK MoveLoopMouseWatcher::KeyHook(int n_code, WPARAM w_param, LPARAM l_param) { if (n_code == HC_ACTION && w_param == VK_ESCAPE) { - int value = TRUE; - HRESULT result = DwmSetWindowAttribute( - instance_->host_->GetNativeView(), - DWMWA_TRANSITIONS_FORCEDISABLED, - &value, - sizeof(value)); + if (base::win::GetVersion() >= base::win::VERSION_VISTA) { + int value = TRUE; + HRESULT result = DwmSetWindowAttribute( + instance_->host_->GetNativeView(), + DWMWA_TRANSITIONS_FORCEDISABLED, + &value, + sizeof(value)); + } // Hide the window on escape, otherwise the window is visibly going to snap // back to the original location before we close it. // This behavior is specific to tab dragging, in that we generally wouldn't @@ -1127,9 +1129,11 @@ void NativeWidgetWin::EndMoveLoop() { } void NativeWidgetWin::SetVisibilityChangedAnimationsEnabled(bool value) { - int dwm_value = value ? FALSE : TRUE; - DwmSetWindowAttribute( - hwnd(), DWMWA_TRANSITIONS_FORCEDISABLED, &dwm_value, sizeof(dwm_value)); + if (base::win::GetVersion() >= base::win::VERSION_VISTA) { + int dwm_value = value ? FALSE : TRUE; + DwmSetWindowAttribute( + hwnd(), DWMWA_TRANSITIONS_FORCEDISABLED, &dwm_value, sizeof(dwm_value)); + } } //////////////////////////////////////////////////////////////////////////////// |