#include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
HINSTANCE hInst;
/* The 'main' function of Win32 GUI programs: this is where execution starts */
int WINAPI WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
static TCHAR szClassName[] = TEXT("HelloWin"); /*窗口类名*/
HWND hwnd; /*窗口句柄*/
MSG msg; /*消息*/
WNDCLASS wndclass; /*窗口类*/
hInst = hInstance;
/***********第一步：注册窗口类*************/
/*为窗口类各个字段赋值*/
wndclass.style = CS_HREDRAW | CS_VREDRAW; /*窗口风格*/
wndclass.lpfnWndProc = WndProc; /*窗口过程*/
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance; /*当前窗口句柄*/
wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); /*窗口图标*/
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);/*鼠标样式*/
wndclass.hbrBackground= (HBRUSH)GetStockObject(WHITE_BRUSH);/*窗口背景画刷*/
wndclass.lpszMenuName = NULL; /*窗口菜单*/
wndclass.lpszClassName= szClassName; /*窗口类名*/
/*注册窗口*/
RegisterClass(&wndclass);
/*************第二步：创建窗口(并让窗口显示出来)***************/
hwnd = CreateWindow(
szClassName, /*窗口名字*/
TEXT("Welcome"), /*窗口标题*/
WS_OVERLAPPEDWINDOW, /*窗口风格*/
CW_USEDEFAULT, /*初始化x轴的位置*/
CW_USEDEFAULT, /*初始化y轴的位置*/
640, /*窗口宽度*/
480, /*窗口高度*/
NULL, /*父窗口句柄*/
NULL, /*窗口菜单句柄*/
hInstance, /*当前窗口句柄*/
NULL /*不使用该值*/
);
if(hwnd == NULL)
{
MessageBox(NULL, "创建窗口出错！", "Error", MB_OK);
return -1;
}
/*显示窗口*/
ShowWindow(hwnd, nCmdShow);
/*更新（绘制）窗口*/
UpdateWindow(hwnd);
/*************第三步：消息循环*************/
while(GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg); /*翻译消息*/
DispatchMessage(&msg); /*分派消息*/
}
return msg.wParam; /*当GetMessage程序返回FALSE是程序结束*/
}
/*************第四步：窗口过程*****************/
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
HDC hdc;
PAINTSTRUCT ps;
static HFONT hFont; //声明一个逻辑字体句柄
static HWND hBtn; // 声明一个按钮控件
switch(message)
{
case WM_CREATE:
{
//创建逻辑字体
hFont = CreateFont(
-20/*高度*/, -10/*宽度*/,0,0,400/*一般设值为400*/,
FALSE/*不带斜体*/, FALSE/*不带下划线*/,FALSE/*不带删除线*/,
DEFAULT_CHARSET, //使用默认字符集
OUT_CHARACTER_PRECIS, CLIP_CHARACTER_PRECIS,
DEFAULT_QUALITY, //默认输出质量
FF_DONTCARE, //不指定字体族
TEXT("微软雅黑") //字体名
);
//创建按钮控件
hBtn = CreateWindow(
TEXT("Button"), //按钮控件类名
TEXT("这是按钮"),
WS_CHILD | WS_VISIBLE | BS_FLAT/*扁平样式*/,
30/*X坐标*/,20/*Y坐标*/, 150/*宽度*/,50/*高度*/,
hWnd,
(HMENU)2/*控件唯一标识符*/,
hInst,
NULL
);
//设置按钮字体
SendMessage(
hBtn, //欲设置字体的按钮句柄
WM_SETFONT, //消息名（消息类型）
(WPARAM)hFont, //字体句柄
NULL
);
break;
}
case WM_PAINT:
{
hdc = BeginPaint(hWnd, &ps);
//Ellipse(hdc, 0, 100, 200, 200);
EndPaint(hWnd, &ps);
break;
}
/*窗口销毁消息*/
case WM_DESTROY:
{
/*处理WM_DESTROY消息时删除之前我们创建的一切GDI对象*/
DeleteObject(hFont); //删除创建的字体
PostQuitMessage(0);
break;
}
default:
{
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
return 0;
}
