#include <windows.h>
#include <strsafe.h>
//#define LINEHEIGHT 15 去掉宏定义
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT("MyWindows");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = szAppName;
if (!RegisterClass(&wndclass))
{
MessageBox(NULL, TEXT("这个程序需要在 Windows NT 才能执行!"), szAppName, MB_ICONERROR);
return 0;
}
hwnd = CreateWindow(szAppName,
TEXT("鱼C工作室"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd, iCmdShow);
UpdateWindow(hwnd);
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
TCHAR szBuffer [128];//原有代码= TEXT("大家好,这是我的第一个窗口程序!");
int i;
size_t iTarget;
TEXTMETRIC tm;
static int cxChar, cyChar;//c是像素,x和y分别表示x轴和y轴,static是静态变量,作用是在WM_Create响应这消息时候能给这两个值设置好,在其他消息里面引用时不会消息不见
switch (message)
{
case WM_CREATE :
hdc = GetDC(hwnd);
GetTextMetrics(hdc, &tm);
cxChar = tm.tmAveCharWidth;
cxChar = tm.tmHeight + tm.tmExternalLeading;
ReleaseDC(hwnd, hdc);
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
/*原有代码 GetClientRect(hwnd, &rect);
DrawText(hdc, TEXT("大家好,这是我的第一个窗口程序!"), -1, &rect,
DT_SINGLELINE | DT_CENTER | DT_VCENTER);*/
for (i=0; i<10; i++)
{
StringCchPrintf (szBuffer,128,TEXT("%d: %s"),i + 1,TEXT("大家好,这是我的第一个窗口程序!"));
StringCchLength(szBuffer,128,&iTarget);
TextOut(hdc, cxChar, i*cyChar, szBuffer,iTarget);
}
EndPaint(hwnd, &ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd, message, wParam, lParam);
}