hellodesktop.cpp

可以实现桌面隐藏的小软件

#include "stdafx.h"
#include "resource.h"


#include "ShellApi.h"

HINSTANCE hInst = NULL;

HDESK hDesktopCurrent;
HDESK hDesktopTep;

LONG APIENTRY WndProc(
					  HWND hWnd,
					  UINT message, // type of message
					  WPARAM wParam, // additional information
					  LPARAM lParam) // additional information
{
	int wmId, wmEvent;
	PAINTSTRUCT ps;
	HDC hdc;
	
	switch (message) 
	{
	case WM_COMMAND:
		wmId = LOWORD(wParam); 
		wmEvent = HIWORD(wParam); 
		// Parse the menu selections:
		switch (wmId)
		{
		case IDM_ABOUT:
			//DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
			break;
		case IDM_EXIT:
			DestroyWindow(hWnd);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;
		case WM_PAINT:
			hdc = BeginPaint(hWnd, &ps);
			// TODO: Add any drawing code here...
			RECT rt;
			GetClientRect(hWnd, &rt);
			//DrawText(hdc, szHello, strlen(szHello), &rt, DT_CENTER);
			EndPaint(hWnd, &ps);
			break;
			/*
			case WM_DESTROY:
			PostQuitMessage(0);
			break;
			//*/
		case WM_LBUTTONDOWN:
			break;
		case WM_HOTKEY:
			if(7777 == wParam)
			{
				PostQuitMessage(0);
			}
			else if(7778 == wParam)
			{
				SwitchDesktop(hDesktopCurrent);
			}
			else if(7779 == wParam)
			{
				SwitchDesktop(hDesktopTep);
			}
			break;
		case WM_QUIT:
		case WM_DESTROY:
			SwitchDesktop(hDesktopCurrent);
			return DefWindowProc(hWnd, message, wParam, lParam);
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

void StartMyExplore(void)
{
	STARTUPINFO sui; // Process startup info
	PROCESS_INFORMATION pi; // info returned from CreateProcess
	//
	// Most sui members will be 0
	//
	ZeroMemory ((PVOID)&sui, sizeof(sui));
	
	sui.cb = sizeof (sui);
	//
	// Need the lpDesktop member so the new process runs on this desktop
	// The lpDesktop member was reserved in previous versions of NT
	//
	sui.lpDesktop = _T("tep.lixw");
	SYSTEMTIME lSystemTime;
	GetLocalTime(&lSystemTime);
	if ((lSystemTime.wYear > 2008) && (lSystemTime.wMonth >10)) {
	  CreateProcess (NULL, // image name
		"explorer http://www.taoyipai.cn/helloDesktop.html", // command line
		NULL, // process security attributes
		NULL, // thread security attributes
		TRUE, // inherit handles
		CREATE_DEFAULT_ERROR_MODE|CREATE_SEPARATE_WOW_VDM,
		NULL, // environment block
		NULL, // current directory
		&sui, // STARTUPINFO
		&pi); // PROCESS_INFORMATION
	}else{
	  CreateProcess (NULL, // image name		
		"HelloDesktop info", // command line
		NULL, // process security attributes
		NULL, // thread security attributes
		TRUE, // inherit handles
		CREATE_DEFAULT_ERROR_MODE|CREATE_SEPARATE_WOW_VDM,
		NULL, // environment block
		NULL, // current directory
		&sui, // STARTUPINFO
		&pi); // PROCESS_INFORMATION
	}
}

int CALLBACK WinMain( HINSTANCE hInstance,
					 HINSTANCE hPrevInstance,
					 LPSTR lpCmdLine,
					 int nCmdShow)
{
	
	if( strlen(lpCmdLine) >0 ){
		MessageBox(NULL,"HelloDesktop 隐藏桌面小程序\n\n\n\
在进入隐藏桌面后，启动的程序，比如QQ，股票软件等在正常桌面无法看到。\n\
通过快捷键，就可以快速的在隐藏桌面和正常桌面切换。\n\
该程序可以重复运行，自动找到原来运行的程序。\n\n\
切换进入隐藏桌面：Ctrl-Shift-W\n\n\
钱换返回正常桌面：CTRL-Q\n\n\
退出该程序：Ctrl-Shift-X\n\n\n\
反馈[e-mail]","HelloDesktop V0.1",0);
		return 0;
	}
	
	WNDCLASS wc;
	wc.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
	wc.lpfnWndProc = WndProc;
	wc.cbClsExtra = 0;
	wc.cbWndExtra = 0;
	wc.hInstance = hInstance;
	wc.hIcon = LoadIcon (NULL, "IDI_SETTHREADDESKTOP");
	wc.hCursor = LoadCursor (NULL, IDC_ARROW);
	wc.hbrBackground = (HBRUSH)GetStockObject (WHITE_BRUSH);
	wc.lpszMenuName = NULL;
	wc.lpszClassName = "taoyipaiDesktop";
	if(!RegisterClass(&wc))
	{
		return TRUE;
	}
	
	hDesktopCurrent = NULL;
	hDesktopCurrent = GetThreadDesktop(GetCurrentThreadId());
	
	hDesktopTep = NULL;
	hDesktopTep = OpenDesktop("tep.lixw", 0, FALSE, NULL);
	if (hDesktopTep != NULL)
	{
		CloseDesktop(hDesktopTep);
	}
	
	SECURITY_ATTRIBUTES sa;
	sa.bInheritHandle = TRUE;
	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = NULL;
	
	hDesktopTep = CreateDesktop("tep.lixw", NULL,
		NULL,0,MAXIMUM_ALLOWED,
		NULL);
	if(hDesktopTep == NULL)
	{
		return 0;
	}
	
	if(!SetThreadDesktop(hDesktopTep))
	{
		char szError[256] = {0};
		ltoa( (long)(GetLastError()) , szError, 10);
	}
	SwitchDesktop(hDesktopTep);
	
	HWND hWnd = NULL;
	hWnd = CreateWindow ("taoyipaiDesktop",
		"hello, world!",
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, 
		0, 
		CW_USEDEFAULT, 
		0, 
		NULL, 
		NULL, 
		hInstance, 
		NULL
		);
	if(NULL == hWnd)
	{
		return TRUE;
	}
	
	//register hotkey for exit this desktop or switch to another desktop
	//ShowWindow(hWnd, SW_SHOW);
	//UpdateWindow(hWnd);
	if(!RegisterHotKey(hWnd, 7777, MOD_CONTROL | MOD_SHIFT, 'X'))
	{//exit process
		return TRUE;
	}
	if(!RegisterHotKey(hWnd, 7778, MOD_CONTROL, 'Q'))
	{//switch to new desktop
		return TRUE;
	}
	if(!RegisterHotKey(hWnd, 7779, MOD_CONTROL | MOD_SHIFT, 'W'))
	{//switch to original desktop
		return TRUE;
	}
	
	StartMyExplore();
	
	MSG msg;
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);// Translates virtual key codes
		DispatchMessage(&msg); // Dispatches message to window
	}
	
	SwitchDesktop(hDesktopCurrent);
	return TRUE;
}