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#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <cstdio>
FILE* fp=NULL;
/* BOOL Cls_OnCreate(HWND hwnd, LPCREATESTRUCT lpCreateStruct) */
//#define HANDLE_WM_CREATE(hwnd, wParam, lParam, fn) ((fn)((hwnd), (LPCREATESTRUCT)(lParam)) ? 0L : (LRESULT)-1L)
//#define FORWARD_WM_CREATE(hwnd, lpCreateStruct, fn) (BOOL)(DWORD)(fn)((hwnd), WM_CREATE, 0L, (LPARAM)(LPCREATESTRUCT)(lpCreateStruct))
BOOL fnWndProc_OnCreate(HWND hWnd, LPCREATESTRUCT lpCreateStruct)
{
fprintf(fp," Entering fnWndProc_OnCreate()\n");
fprintf(fp," hWnd = %u\n",(unsigned)hWnd);
fprintf(fp," Leaving fnWndProc_OnCreate()\n\n");
return FALSE;
}
/* void Cls_OnSize(HWND hwnd, UINT state, int cx, int cy) */
// #define HANDLE_WM_SIZE(hwnd, wParam, lParam, fn) ((fn)((hwnd), (UINT)(wParam), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam)), 0L)
// #define FORWARD_WM_SIZE(hwnd, state, cx, cy, fn) (void)(fn)((hwnd), WM_SIZE, (WPARAM)(UINT)(state), MAKELPARAM((cx), (cy)))
void fnWndProc_OnSize(HWND hWnd, UINT state, int cx, int cy)
{
fprintf(fp," Entering fnWndProc_OnSize()\n");
fprintf(fp," Width = %d\tHeight = %d\n",cx,cy);
fprintf(fp," Leaving fnWndProc_OnSize()\n\n");
}
/* void Cls_OnPaint(HWND hwnd) */
// #define HANDLE_WM_PAINT(hwnd, wParam, lParam, fn) ((fn)(hwnd), 0L)
// #define FORWARD_WM_PAINT(hwnd, fn) (void)(fn)((hwnd), WM_PAINT, 0L, 0L)
void fnWndProc_OnPaint(HWND hWnd)
{
PAINTSTRUCT ps;
HDC hDC;
fprintf(fp," Entering fnWndProc_OnPaint()\n");
hDC=BeginPaint(hWnd,&ps);
fprintf(fp," Painting Window!\n");
fprintf(fp," ps.rcPaint.right = %d\n",(int)ps.rcPaint.right);
fprintf(fp," ps.rcPaint.bottom = %d\n",(int)ps.rcPaint.bottom);
EndPaint(hWnd,&ps);
fprintf(fp," Leaving fnWndProc_OnPaint()\n\n");
}
/* void Cls_OnClose(HWND hwnd) */
// #define HANDLE_WM_CLOSE(hwnd, wParam, lParam, fn) ((fn)(hwnd), 0L)
// #define FORWARD_WM_CLOSE(hwnd, fn) (void)(fn)((hwnd), WM_CLOSE, 0L, 0L)
void fnWndProc_OnClose(HWND hWnd)
{
fprintf(fp," Entering fnWndProc_OnClose()\n");
fprintf(fp," hWnd = %u\n",(unsigned)hWnd);
DestroyWindow(hWnd);
fprintf(fp," Leaving fnWndProc_OnClose()\n");
}
/* void Cls_OnDestroy(HWND hwnd) */
// #define HANDLE_WM_DESTROY(hwnd, wParam, lParam, fn) ((fn)(hwnd), 0L)
// #define FORWARD_WM_DESTROY(hwnd, fn) (void)(fn)((hwnd), WM_DESTROY, 0L, 0L)
void fnWndProc_OnDestroy(HWND hWnd)
{
fprintf(fp," Entering fnWndProc_OnDestroy()\n");
fprintf(fp," hWnd = %u\n",(unsigned)hWnd);
PostQuitMessage(0);
fprintf(fp," Leaving fnWndProc_OnDestroy()\n");
}
LRESULT CALLBACK fnWndProc(HWND hwnd, unsigned int msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
HANDLE_MSG(hwnd, WM_CREATE, fnWndProc_OnCreate);
HANDLE_MSG(hwnd, WM_SIZE, fnWndProc_OnSize);
HANDLE_MSG(hwnd, WM_PAINT, fnWndProc_OnPaint);
HANDLE_MSG(hwnd, WM_CLOSE, fnWndProc_OnClose);
HANDLE_MSG(hwnd, WM_DESTROY, fnWndProc_OnDestroy);
default:return (DefWindowProc(hwnd, msg, wParam, lParam));
}
}
int WINAPI WinMain(HINSTANCE hIns, HINSTANCE hPrevIns, LPSTR lpszArgument, int iShow)
{
TCHAR szClassName[]=_T("Debugging Windows Programs");
WNDCLASSEX wc;
MSG messages;
HWND hWnd;
wc.lpszClassName=szClassName; wc.lpfnWndProc=fnWndProc;
wc.cbSize=sizeof (WNDCLASSEX); wc.style=CS_DBLCLKS;
wc.hIcon=LoadIcon(NULL,IDI_APPLICATION); wc.hInstance=hIns;
wc.hIconSm=LoadIcon(NULL, IDI_APPLICATION); wc.hCursor=LoadCursor(NULL,IDC_ARROW);
wc.hbrBackground=(HBRUSH)COLOR_BTNSHADOW; wc.cbWndExtra=0;
wc.lpszMenuName=NULL; wc.cbClsExtra=0;
RegisterClassEx(&wc);
fp=fopen("Output.txt","w");
fprintf(fp,"Output.txt Opened In WinMain()\n");
hWnd=CreateWindowEx(0,szClassName,szClassName,WS_OVERLAPPEDWINDOW,75,75,320,305,HWND_DESKTOP,0,hIns,0);
ShowWindow(hWnd,iShow);
while(GetMessage(&messages,NULL,0,0))
{
TranslateMessage(&messages);
DispatchMessage(&messages);
}
fprintf(fp,"Output.txt Closed In WinMain()\n");
fclose(fp);
return messages.wParam;
}
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