本程序展示了如何扩展Delphi的IDE中ToolsAPI的IOTAActionServices接口。IOTAActionServices执行基本的文件操作：打开，关闭，保存和重新加载一个文件。-This program shows how to extend the Delphi IDE, ToolsAPI the IOTAActionServices interface. IOTAActionServices perform basic file operations: open, close, save and re-load a file.