Casio PA-2400W manual Sample Program, Hwnd, = Null

5.5Sample Program

This sample program is created with the method of “Multiple-Thread Mode” under development environment of Visual C++ 5.0 plus and Windows CE SDK/DDK.

It introduces the IOBOX1.C program and its reference sources, and shows a list of environment variables.

// windows ce iobox sample file

#include <windows.h> #include <commctrl.h> #include "iobox1.h"

VOID ioProc( void);

TCHAR szAppName[ ] = TEXT("Hello Windows CE");

TCHAR szTitle[ ] = TEXT("PA-2400 I/O BOX TEST");

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

HINSTANCE	hInst = NULL;
HWND	hWndCB = NULL;

HANDLE hWnd;

HANDLE h;

const int WINDOW_WIDTH = 480; const int WINDOW_HEIGHT = 214;

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, int nCmdShow )

{

// HWNDhWnd;

MSGmsg;

WNDCLASS wc;

wc.style	= 0L;
wc.lpfnWndProc	= (WNDPROC) WndProc;
wc.cbClsExtra	= 0;
wc.cbWndExtra	= 0;
wc.hInstance	= hInstance;
wc.hIcon	= NULL;
wc.hCursor	= NULL;
wc.hbrBackground	= (HBRUSH) GetStockObject(WHITE_BRUSH);
wc.lpszMenuName	= NULL;
wc.lpszClassName	= szAppName;
RegisterClass(&wc);

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