#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hI, HINSTANCE hPI, PSTR szCL, int iCS) {
TCHAR szAppName[] = TEXT("Mais Sobre Ícones");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hI;
wndclass.hIcon = LoadIcon(hI, MAKEINTRESOURCE(IDI_ICON));
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH) WHITE_BRUSH;
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szAppName;
if(!RegisterClass(&wndclass)) {
MessageBox(NULL, TEXT("Windows NT"), szAppName, MB_ICONERROR);
return 0;
}
hwnd = CreateWindow(
szAppName, TITULO, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 640, 320,
NULL, NULL, hI, NULL
);
ShowWindow(hwnd, iCS);
UpdateWindow(hwnd);
while(GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
FreeConsole();
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
static HICON hIcon;
static int cxIcon, cyIcon, cxClient, cyClient;
HDC hdc;
HINSTANCE hI;
PAINTSTRUCT ps;
int x, y;
switch(msg) {
case WM_CREATE:
hI = ((LPCREATESTRUCT) lp)->hInstance;
hIcon = LoadIcon(hI, MAKEINTRESOURCE(IDI_ICON));
cxIcon = GetSystemMetrics(SM_CXICON);
cyIcon = GetSystemMetrics(SM_CYICON);
CreateWindow(
TEXT("static"), TEXTO, WS_VISIBLE | WS_CHILD,
0, 80, 440, 40,
hwnd, NULL, NULL, NULL
);
return 0;
case WM_SIZE:
cxClient = LOWORD(lp);
cyClient = HIWORD(lp);
return 0;
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
for(y=0; y<cyClient; y+=cyIcon)
for(x=0; x<cxClient; x+=cxIcon)
DrawIcon(hdc, x, y, hIcon);
EndPaint(hwnd, &ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, msg, wp, lp);
}
/******************* Arquivo: resource.h ************************/
#define IDI_ICON 101
#define TEXTO "Porque já o mistério da injustiça opera; somente há um que, agora, resiste até que do meio seja tirado;"
#define TITULO "cxIcon = GetSystemMetrics(SM_CXICON); cyIcon = GetSystemMetrics(SM_CYICON);"
/********************** Arquivo: resource.rc ***********************/
#include "resource.h"
#include "afxres.h"
IDI_ICON ICON "project1.ico"
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