private bool RunValidation() { if (ValidateProperties == null) { return(true); } #if FAMISTUDIO_MACOS MacUtils.RemoveNSWindowAlwaysOnTop(MacUtils.NSWindowFromGdkWindow(GdkWindow.Handle)); #endif // Validation might display messages boxes, need to work around z-ordering issues. bool valid = ValidateProperties.Invoke(propertyPage); #if FAMISTUDIO_MACOS // This fixes some super weird focus issues. if (!valid) { Hide(); Show(); } MacUtils.SetNSWindowAlwayOnTop(MacUtils.NSWindowFromGdkWindow(GdkWindow.Handle)); #endif return(valid); }