vc中的DLL是个好东东，如果你想在vb也运用它的话，有点难度，但是这个源代码会教你如何用vb调用vc中的D-vc the DLL is a good Dongdong, if you want to also use in vb, then it somewhat difficult, However, the source code will teach you how to use vb call vc the D