Delphi:Delphi在TSpeedButton中显示图标文件，用Delphi7打开，可以直接编译源文件，编译后运行EXE文件，可看到很多整齐排列的TSpeedButton，然后点击右下角的“加载”按钮，可看到每一个TSpeedButton中都加载了不同的图标，对TSpeedButton用法的理解会有好处。

-Delphi: Delphi Display icon files in TSpeedButton, use Delphi7 open, you can directly compile the source files, compile and run the EXE file, you can see a lot of neatly arranged TSpeedButton, then click on the bottom right corner of the "Load" button, you can see every TSpeedButton are loaded with different icons for TSpeedButton usage understanding would be beneficial.