Need help With Progress Bar

Hello Im using
Microsft Visual C++
I wanted to play a trick on my friends, and I needed to insert a
Progress Bar. I did And I need help making it load. When I run the dialog box, the progress bar doesn't load. Please help me thanks:p

Code:

---

#include <commctrl.h>
#pragma comment(lib, "comctl32.lib")
.....
int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
        InitCommonControls();
        // .....
}

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