howto use mingw graphical library

[javadvjj]

how can i use mingw graphical libraries like png.h and etc.
please reply me by code.or introduce me a good refernce about this topic.

[Athar]

I'm not aware of any "mingw graphical libraries". If you want to use libpng, you should google for "libpng tutorial/example".
However, it might be preferable to use a image manipulation library such as FreeImage, DevIL or ImageMagick.