#include <Windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
PSTR szCmdLine,
int iCmdShow)
{
WNDCLASS wndclass;
TCHAR szAppName[] = TEXT("MyWindows");
wndclass.hInstance = hInstance;
wndclass.lpfnWndProc = WndProc;
wndclass.style = CS_VREDRAW | CS_HREDRAW;
wndclass.cbClsExtra = wndclass.cbWndExtra = 0;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hInstance = hInstance;
wndclass.lpszClassName = szAppName;
wndclass.lpszMenuName = NULL;
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
if (!RegisterClass(&wndclass))
{
MessageBox(NULL, TEXT("J"),szAppName,MB_OK | MB_ICONERROR);
return 0;
}
HWND hwnd;
hwnd = FindWindow(szAppName, TEXT("沙雕工作室"));
if (hwnd != NULL)
{
ShowWindow(hwnd,SW_SHOW);
return 0;
}
do
{
hwnd = CreateWindowEx(WS_EX_LEFT,
szAppName,
TEXT("沙雕工作室"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
} while (hwnd == NULL);
ShowWindow(hwnd, iCmdShow);
UpdateWindow(hwnd);
MSG msg;
while (GetMessage(&msg, hwnd, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch (message)
{
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
GetClientRect(hwnd, &rect);
DrawText(hdc, TEXT("Hello World!"), -1, &rect, DT_VCENTER | DT_CENTER | DT_SINGLELINE);
EndPaint(hwnd, &ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
exit(0);
return 0;
default:
return DefWindowProc(hwnd, message, wParam, lParam);
}
}