StudioEgo's Thoughts, seasonⅡ

#include

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
HINSTANCE g_hInst;
LPSTR lpszClass="First";

int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
HWND hWnd;
MSG Message;
WNDCLASS WndClass;
g_hInst=hInstance;

WndClass.cbClsExtra=0;
WndClass.cbWndExtra=0;
WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
WndClass.hIcon=LoadIcon(NULL, IDI_APPLICATION);
WndClass.hInstance=hInstance;
WndClass.lpfnWndProc=(WNDPROC)WndProc;
WndClass.lpszClassName=lpszClass;
WndClass.lpszMenuName=NULL;
WndClass.style=CS_HREDRAW | CS_VREDRAW ;
RegisterClass(&WndClass);

hWnd=CreateWindow(lpszClass, "점뿌리는 프로그램", WS_OVERLAPPEDWINDOW ^ WS_MAXIMIZEBOX ^ WS_MINIMIZEBOX ^ WS_THICKFRAME, CW_USEDEFAULT, CW_USEDEFAULT, 500, 400, NULL, (HMENU)NULL, hInstance, NULL);
ShowWindow(hWnd, nCmdShow);

while(GetMessage(&Message, 0, 0, 0)) {
TranslateMessage(&Message);
DispatchMessage(&Message);
}
return Message.wParam;
}
void CALLBACK TimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime)
{
HDC hdc;
int i;
hdc = GetDC(hWnd);
for(i=0;i<100;i++)
SetPixel(hdc,rand()%500, rand()%400, RGB(rand()%256, rand()%256, rand()%256));
ReleaseDC(hWnd, hdc);
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam){
switch(iMessage) {

case WM_CREATE :
SetTimer(hWnd, 1, 100, (TIMERPROC)TimerProc);
return 0;

case WM_DESTROY :
KillTimer(hWnd, 1);
PostQuitMessage(0);
return 0;
}
return(DefWindowProc(hWnd, iMessage, wParam, lParam));
}