Programming Windows TCP Sockets in C++ for the Beginner[^] An Introduction to Socket Programming[^] Sockets Programming[^] Introduction to Socket Programming[^] Does helpful?;)

Debugging the code, you can find problem yourself. As we are not aware of code you are using. Prasad MS MVP -  VC++

Re draw it in WM_ACTIVATE

I'd strong objection using word [urgent], though you find word [help please] polite, most of the time used by either commanding sense or begging sense, and doesnt seen as appropriate word. My observation is that such posts are ignored even if its trivial as this one. Prasad Notifier using ATL | Operator new[],delete[][^]

I have minimize(-) button and close(x) button in caption bar. Here i have overidden those default button and created new one. Clicking on minimize,close button my application working fine. Even doing well on system menu also. when i click on task bar button it is not minimizing.

What application type and can you be mre specific about your program WhiteSky

1. MSG has a hwnd 2. GetFocus() return the CWnd with focus and check this out and "do stuff" Greetings from Germany

If you have handle to those buttons, you can always use EnableWindow. Prasad Notifier using ATL | Operator new[],delete[][^]