VB图象框控件的扩展

Expansion of VB Image Block Controlware

为在程序中调入并显示ＧＩＦ格式２５６色图象，而ＶＢ下的图象控件只能显示ＢＭＰ格式文件，开发ＶＢＸ控件就这样被提了出来。通过简单地修改控件的属性，可以满足各种应用环境的需求，这就大大提高了软件的质量和效率。

In order to call or display image in 256 colors under GIF format in the program,image controlware under VB only displaying the file under BMP format,so the development of VBX controlware is proposed.Updating the attribute of controlaware simply,demands under various application environment can be achieved,thus the quality and effeciency of software will be greatly improved.