Linguagem C - struct { int iStyle; TCHAR * szText; }

#include <windows.h> struct { int iStyle; TCHAR * szText; } button[] = { BS_PUSHBUTTON, TEXT ("PUSHBUTTON"), BS_DEFPUSHBUTTON, TEXT ("DEFPUSHBUTTON"), BS_CHECKBOX, TEXT ("CHECKBOX"), BS_AUTOCHECKBOX, TEXT ("AUTOCHECKBOX"), BS_RADIOBUTTON, TEXT ("RADIOBUTTON"), BS_3STATE, TEXT ("3STATE"), BS_AUTO3STATE, TEXT ("AUTO3STATE"), BS_GROUPBOX, TEXT ("GROUPBOX"), BS_AUTORADIOBUTTON, TEXT ("AUTORADIO"), BS_OWNERDRAW, TEXT ("OWNERDRAW") }; #define NUM (sizeof button / sizeof button[0]) LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); int WINAPI WinMain(HINSTANCE hI, HINSTANCE hPI, PSTR szCL, int iCS) { static TCHAR szAppName[] = TEXT("struct { int iStyle; TCHAR * szText; }"); HWND hwnd; MSG msg; WNDCLASS wndclass; wndclass.style = CS_VREDRAW | CS_HREDRAW; wndclass.lpfnWndProc = WndProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hInstance = hI; wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); wndclass.hbrBackground = (HBRUSH) COLORONCOLOR; wndclass.lpszMenuName = NULL; wndclass.lpszClassName = szAppName; if(!RegisterClass(&wndclass)) { MessageBox(NULL, TEXT("This program requires Windows NT"), szAppName, MB_ICONERROR); return 0; } hwnd = CreateWindow(szAppName, TEXT("struct { int iStyle; TCHAR * szText; }"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 520, 600, NULL, NULL, hI, NULL); ShowWindow(hwnd, iCS); UpdateWindow(hwnd); while(GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); } return msg.wParam; } LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { static HWND hwndButton[NUM]; static RECT rect; static TCHAR szTop[] = TEXT("message wParam lParam"), szUnd[] = TEXT("_______ ______ ______"), szFormat[] = TEXT("%-16s%04X-%04X %04X-%04X"), szBuffer[50]; static int cxChar, cyChar; HDC hdc; PAINTSTRUCT ps; int i; switch(msg) { case WM_CREATE: /**Window Message Create*/ cxChar = LOWORD(GetDialogBaseUnits()); cyChar = HIWORD(GetDialogBaseUnits()); for(i=0; i<NUM; i++) { hwndButton[i] = CreateWindow(TEXT("button"), button[i].szText, WS_CHILD | WS_VISIBLE | button[i].iStyle, cxChar, cyChar * (1+2*i), 20*cxChar, 7*cyChar/5, hwnd, (HMENU) i, ((LPCREATESTRUCT) lParam)->hInstance, NULL); } return 0; case WM_SIZE: rect.left = 24*cxChar; rect.top = 2*cyChar; rect.right = LOWORD(lParam); rect.bottom = HIWORD(lParam); return 0; case WM_PAINT: InvalidateRect(hwnd, &rect, TRUE); hdc = BeginPaint(hwnd, &ps); SelectObject(hdc, GetStockObject(SYSTEM_FIXED_FONT)); SetBkMode(hdc, TRANSPARENT); TextOut(hdc, 24 * cxChar, cyChar, szTop, lstrlen(szTop)); TextOut(hdc, 24 * cxChar, cyChar, szUnd, lstrlen(szUnd)); EndPaint (hwnd, &ps) ; return 0; case WM_DRAWITEM: case WM_COMMAND: ScrollWindow(hwnd, 0, -cyChar, &rect, &rect); hdc = GetDC(hwnd); SelectObject(hdc, GetStockObject(SYSTEM_FIXED_FONT)); TextOut(hdc, 24 * cxChar, cyChar * (rect.bottom / cyChar - 1), szBuffer, wsprintf(szBuffer, szFormat, msg == WM_DRAWITEM?TEXT("WM_DRAWITEM"): TEXT ("WM_COMMAND"), HIWORD(wParam), LOWORD(wParam), HIWORD(lParam), LOWORD (lParam))); ReleaseDC(hwnd, hdc); ValidateRect(hwnd, &rect); break ; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hwnd, msg, wParam, lParam); }