Hello vtkusers:<br>        I am using vtk in my Vc++ 6.0 application, because some library files in  my application using "#include <iostream.h>","#include <fstream>",et cetera  which conflict with vtk other include commands(for using iostream functions also),  so in compiling my application, there are many compiling errors such as :<br>                c:\program files\microsoft visual studio\vc98\include\ostream.h(143) : error C2872: 'ostream' : ambiguous symbol<br>                c:\program files\microsoft visual studio\vc98\include\ostream.h(113) : error C2872: 'ios' : ambiguous symbol<br>                c:\program files\microsoft visual studio\vc98\include\ostream.h(87) : error C2872: 'streambuf' : ambiguous symbol<br>                c:\program files\microsoft visual studio\vc98\include\ostream.h(94) : error C2872: 'streampos' : ambiguous symbol<br>                c:\program files\microsoft visual studio\vc98\include\ostream.h(95) : error C2872: 'streamoff' : ambiguous symbol<br>    How can solve this problem? Any suggestion will be most appreciated! Thank you in advance!<br>                                                                                                                                                   bjqin at SJTU in China<br>__________________________________________<br>IP卡、上网卡全线跳水价  http://shopping.263.net/category08.htm<br>古埃及订情饰物订做      http://shopping.263.net/category11.htm<br><br><br><br><br>