StarMeteor wrote: Would you help to provide some information regarding this? (Website/document/reference) Codeproject firewalls[^]

Hmm...do you have a sample of a png image that isn't working that you can send me to test? Mark Mark Salsbery Microsoft MVP - Visual C++ :java:

StarMeteor wrote: any reference source/material is welcome, thanks~ Look up WM_POWER, WM_POWERBROADCAST, WM_POWERCHANGE_NEEDACK in MSDN. Nibu thomas A Developer Programming tips[^]  My site[^]

Just export to search in UltraEdit for confirm issue ^^ Really thanks for your help ^^

Really thanks for your help ^^

Really suddenly forget delete array should use delete [] =.= foolish me X| thanks everyone~

you are right buddy i am showing how to start a one minute timer and stop it to help him/her to understand problem:) Alok Gupta visit me at http://alok.stormpages.com

Oh...I found that I forget to defind #define _WIN32_WINNT 0x400 at stdafx.h in order to use the API.... I can use it now! Thanks a lot~