shailendra

//Code listing for WMain.cpp include <windows.h></windows.h> extern LRESULT CALLBACK WindowF (HWND,UINT,WPARAM,LPARAM); char szWinName[] = "MyWin"; char szTitle[] = "Parabola Drawing"; int WINAPI WinMain (HINSTANCE hThisInst, HINSTANCE hPrevInst, LPSTR lpszArgs, int nWinMode) { //Defining window class HWND hwnd; MSG msg; WNDCLASSEX wcl; wcl.cbClsExtra = 0;//extra bytes wcl.cbSize = sizeof(WNDCLASSEX); //size of the struct wcl.cbWndExtra = 0;//extra bytes wcl.hbrBackground = (HBRUSH)GetStockObject(WHITEBRUSH);...