源代码：
#include <windows.h>
#include <stdio.h>
#include "stdlib.h"
#include "resource.h"
#include "winuser.h"
CONST RECT lpRect={1024,768,1024,768};
HINSTANCE hInst;
char szChar[20];
char passd[20];
static int Pstate=0;
bool Is_cut=0;
static HBITMAP map; //静态的 不是静态，map的值会被释放
static BITMAP bm;
//Bitmap memBmp; //内存位图
static HDC hdcMem;
static HDC hdc;
LRESULT CALLBACK WinSunProc(
HWND hwnd, // 窗口句柄
UINT uMsg, // 消息id
WPARAM wParam, // 附加信息
LPARAM lParam // 附加信息
);
int WINAPI WinMain(
HINSTANCE hInstance, // 应用程序实例
HINSTANCE hPrevInstance, //
LPSTR lpCmdLine, // 命令行参数
int nCmdShow // 显示模式
)
{
hInst=hInstance;
char text[256];
//定义窗口类
////////////////////////////////////////////////////////////////////////////////////////
WNDCLASS win;
win.style=/*WS_CAPTION|*/CS_VREDRAW ;//类型窗口的样式 风格 水平重画和垂直重画
win.lpfnWndProc=WinSunProc;//窗口过程函数（回调函数）函数指针
win.cbClsExtra=0; // 一般为0 附加内存空间
win.cbWndExtra=0; // 一般为0 窗口附加内存
win.hbrBackground=(HBRUSH)GetStockObject(0);//背景画刷句柄
win.hCursor=LoadCursor(NULL,IDC_CROSS); //光标句柄
win.hIcon=LoadIcon(NULL,IDI_ERROR); //窗口类的图标句柄
win.hInstance=hInstance; //包含窗口过程的实例句柄
win.lpszClassName="ClassName_zhy";//窗口类名
win.lpszMenuName=NULL ;
/////////////////////////////////////////////////////////////////////////////////////////////
//定义窗口类
RegisterClass(&win);//注册窗口类
HWND hwnd;
hwnd=CreateWindow("ClassName_zhy","zhy",WS_POPUP,//WS_POPUP 没窗体标题栏
NULL,NULL,600,400,NULL,NULL,hInstance,NULL); //创建窗口
ShowWindow(hwnd,SW_SHOWMAXIMIZED );//最大面积显示窗口（覆盖任务栏）
UpdateWindow(hwnd);//更新窗口
//半透明处理
//////////////////////////////////////////////////////////////////////////
SetWindowLong(hwnd,GWL_EXSTYLE,GetWindowLong(hwnd,GWL_EXSTYLE)^0x80000);
HINSTANCE hInst1 = LoadLibrary("User32.dll");
if(hInst1)
{
typedef BOOL (WINAPI *MYFUNC)(HWND,COLORREF,BYTE,DWORD);
MYFUNC fun = NULL;
//取得SetLayeredWindowAttributes函数指针
fun=(MYFUNC)GetProcAddress(hInst1, "SetLayeredWindowAttributes");
fun(hwnd,0,220,2);// 参数3 0～255（不透明）
FreeLibrary(hInst1);
}
//////////////////////////////////////////////////////////////////////////
MSG msg;
while(GetMessage(&msg,NULL,0,0))//接受所有的消息
{
if (Is_cut)
ClipCursor(&lpRect);
SetForegroundWindow(hwnd);
/* HWND close=(::GetForegroundWindow());
HWND focusWindow=::GetForegroundWindow();*/
if(!::IsWindow(hwnd))
{
::EnableWindow(hwnd,FALSE);
::EnableWindow(FindWindow("ClassName_zhy",NULL),false);
}
TranslateMessage(&msg);//解析消息
DispatchMessage(&msg); //派发消息
SetForegroundWindow(hwnd);
//SystemParametersInfo(SPI_SCREENSAVERRUNNING,1,NULL,0);
//SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SW_SHOWMAXIMIZED);
}
/////////////////////////////////////////////
return 0;
}
LRESULT CALLBACK WinSunProc( //回掉函数
HWND hwnd, // handle to window
UINT uMsg, // message identifier
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
static int n,m,k;
int x,y;
static int len=0;
switch(uMsg)
{
case WM_SYSKEYDOWN:
case WM_CREATE:
k=0;
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP1);
break;
case WM_KEYDOWN:
//switch(wParam)
//{
//case VK_ESCAPE:
// DestroyWindow(hwnd);
// break;
//case VK_LWIN:
// return 1;
//case VK_SPACE:
//break;
//}
break;
case WM_CHAR: //接受按键消息
char str[2];
if (!Pstate)
{
if (strlen(szChar)>5)
return 1;
sprintf(str,"%c",wParam);
if (str[0]==13)
{
if (strlen(szChar)==0)
{
MessageBox(hwnd,"密码不可以为空！","新会以冷－锁屏",MB_OK);
return 1;
}
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP2);
Is_cut=true;
Pstate=1;
SetTimer(hwnd,1,2200,0);
}
if (str[0]==8|str[0]==27)
{
strcpy(szChar,"");
::InvalidateRect(hwnd,NULL,true);
break;
}
if (str[0]<123&&str[0]>47)
{
strcat(szChar,str);
::InvalidateRect(hwnd,NULL,true);
}
}else{
if (strlen(passd)>5)
return 1;
char str[2];
sprintf(str,"%c",wParam);
strcat(passd,str);
if (str[0]==szChar[len])
{
len++;
if (len==(strlen(szChar)))
{
DestroyWindow(hwnd);
}
}else{
len=0;
strcpy(passd,"");
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP5);
Pstate=2;
}
}
::InvalidateRect(hwnd,NULL,true);
break;
case WM_TIMER:
if (!k)
{
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP2);
}
k=1;
m++;
if (m>9)
{
if (n%3==0)
{
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP2);
}
if (n%3==1)
{
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP3);
}
if (n%3==2)
{
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP4);
}
n++;
m=0;
}
::InvalidateRect(hwnd,NULL,true);
break;
case WM_RBUTTONDOWN://接受鼠标右健消息
case WM_LBUTTONDOWN: //得到当鼠标左键按下时的鼠标位置
/* 699 306
717 322
612 348
694 370*/
x = LOWORD(lParam);
y = HIWORD(lParam);
/* char info[20];
sprintf(info,"%d,%d",x,y);
MessageBox(hwnd,info,"鼠标左键",MB_OK);*/
//点关闭
if (x>699&&x<717&&y>306&&y<322)
{
DestroyWindow(hwnd);
}
//确定按钮
if (x>612&&x<694&&y>348&&y<370)
{
if (strlen(szChar)==0)
{
MessageBox(hwnd,"密码不可以为空！","窗口标题",MB_OK);
return 1;
}
map=LoadBitmap(hInst,(LPCSTR)IDB_BITMAP2);
Is_cut=true;
Pstate=1;
SetTimer(hwnd,1,1200,0);
}
::InvalidateRect(hwnd,NULL,true);
break;
case WM_PAINT://接受绘制消息
PAINTSTRUCT ps;
hdc=BeginPaint(hwnd,&ps);
hdcMem =::CreateCompatibleDC(hdc);
::SelectObject(hdcMem,map);
if (!m)
{
BitBlt(hdc,300,300,500,300,hdcMem,0,0,SRCCOPY);
}
if (Pstate==0)
{
BitBlt(hdc,300,300,500,300,hdcMem,0,0,SRCCOPY);
TextOut(hdc,416,352,"*********",strlen(szChar));
//TextOut(hdc,416,382,"请牢记密码，想要恢复时只要正确的连续输入密码即可！",strlen("请牢记密码，想要恢复时只要正确的连续输入密码即可！"));
}
if (Pstate==1|k==1)
{
BitBlt(hdc,0,0,1024,768,hdcMem,0,0,SRCCOPY);
}
DeleteDC(hdcMem);
EndPaint(hwnd,&ps);
break;
case WM_CLOSE://接受关闭消息
//if(IDYES==MessageBox(hwnd,"是否真的结束？","窗口标题",MB_YESNO))
//{
// //DestroyWindow(hwnd);
//}
break;
case WM_DESTROY://接受销毁窗口消息
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd,uMsg,wParam,lParam);
}
return 0;
}
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