code: def on_props_activated(self, menu_item):
          '''显示选中的文件或者当前目录的属性'''
          tree_paths = self.iconview.get_selected_items()
          if not tree_paths:
              dialog = FolderPropertyDialog(self, self.app, self.parent.path)
              dialog.run()
              dialog.destroy()
          else:
              for tree_path in tree_paths:
                  pcs_file = self.get_pcs_file(tree_path)
                  dialog = PropertiesDialog(self.parent, self.app, pcs_file)
                  dialog.run()
                  dialog.destroy(f on_props_activated(self, menu_item):
          '''显示选中的文件或者当前目录的属性'''
          tree_paths = self.iconview.get_selected_items()
          if not tree_paths:
              dialog = FolderPropertyDialog(self, self.app, self.parent.path)
              dialog.run()
              dialog.destroy()
          else:
              for tree_path in tree_paths:
                  pcs_file = self.get_pcs_file(tree_path)
                  dialog = PropertiesDialog(self.parent, self.app, pcs_file)
                  dialog.run()
                  dialog.destroy()
docs: 显示选中的文件或者当前目录的属性