Category : Files from Magazines
Archive   : CUJ9301.ZIP
Filename : 1101036A

/* LISTING 1: A C++ class to encapsulate the MS Windows
WNDCLASS.
*/
#include "windows.h"

typedef int BOOL;
typedef WNDPROC MYWNDPROC;
typedef HINSTANCE MYHINSTANCE;
typedef HCURSOR MYHCURSOR;
typedef HBRUSH MYHBRUSH;

class MyWndClass
{
public:
MyWndClass (char *, MYWNDPROC, MYHINSTANCE, char *);
void SetCursor (MYHCURSOR hCursor)
{ wndclass.hCursor = hCursor; }
void SetBackground (MYHBRUSH hbrBackground)
{ wndclass.hbrBackground = hbrBackground; }
void SetMenu (char *szMenuName)
{ wndclass.lpszMenuName = szMenuName; }
BOOL RegisterClass (void)
{ return (::RegisterClass (&wndclass)); }

private:
// Default constructor is inaccessible.
MyWndClass (void);
WNDCLASS wndclass;
};

MyWndClass::MyWndClass (char *szAppName, MYWNDPROC
WndProc, MYHINSTANCE hInstance, char *szMenuName)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.hbrBackground =
GetStockObject (WHITE_BRUSH);
wndclass.lpszMenuName = szMenuName;
wndclass.lpszClassName = szAppName;
}