.NET(C#)实现桌面背景切换(控制台应用程序,windows服务版的未实现成功)
AdvancedBackgroundJimmy.Program.cs
using AdvancedBackground;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.ServiceProcess;
using System.Threading.Tasks;
using System.Timers; namespace AdvancedBackgroundJimmy
{
[System.Runtime.Remoting.Contexts.Synchronization]
static class Program
{ const int SPI_GETDESKWALLPAPER = 0x73;
const int MAX_PATH = ;
const int SPI_SETDESKWALLPAPER = 0x14;
const int SPIF_UPDATEINIFILE = 0x01;
const int SPIF_SENDININICHANGE = 0x02;
static string photoFileDirPath = @"g:/Photos/Camera/";
static DirectoryInfo photoDir = new DirectoryInfo(photoFileDirPath);
static FileInfo[] photoFileArr = photoDir.GetFiles();
static int PHOTO_PER_WAIT = ;
static string log_path = @"g:/TestLog/AdvancedBackgroundJimmy/log.txt";
static FileInfo logFileInfo = new FileInfo(log_path);
static string log = null; /// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
//ServiceBase[] servicesToRun = new ServiceBase[]
//{
// new AdvancedBackgroundServiceJimmy()
//};
//ServiceBase.Run(servicesToRun);
AutoPhoto();
} public static void AutoPhoto()
{
try
{
log = "进入AutoPhoto方法!" + System.Environment.NewLine;
File.AppendAllText(log_path, log);
FileInfo[] fileArr = photoFileArr;
for (int i = ; i < fileArr.Length; i++)
{
FileInfo photoFile = fileArr[i];
log = "当前图片路径:" + photoFile.FullName + System.Environment.NewLine;
File.AppendAllText(log_path, log);
SetWallpaper2(photoFile.FullName, WallpaperStyle.Centered);
//SHChangeNotify(HChangeNotifyEventID.SHCNE_ASSOCCHANGED, HChangeNotifyFlags.SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero);
if (i == fileArr.Length - )
{
i = -;
}
System.Threading.Thread.Sleep(PHOTO_PER_WAIT);
}
}
catch(Exception e)
{
log = e.Message + System.Environment.NewLine;
File.AppendAllText(log_path, log);
}
} const int WM_SETTINGCHANGE = 0x001A;
const int HWND_BROADCAST = 0xffff; static IntPtr result1; public enum SendMessageTimeoutFlags : uint
{
SMTO_NORMAL = 0x0000,
SMTO_BLOCK = 0x0001,
SMTO_ABORTIFHUNG = 0x0002,
SMTO_NOTIMEOUTIFNOTHUNG = 0x0008
} [DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni); [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
static extern int GetLastError(); public enum WallpaperStyle : int
{
Tiled,
Centered,
Stretched,
Fill,
Fit
} /// <summary>
/// 返回当前的系统壁纸路径
/// </summary>
/// <returns></returns>
public static string GetDesktopWallpaper()
{
string wallpaper = new string('\0', MAX_PATH);
try
{
int ret = SystemParametersInfo(SPI_GETDESKWALLPAPER, (int)wallpaper.Length, wallpaper, );
}
catch (Exception e)
{
log = e.Message + System.Environment.NewLine;
File.AppendAllText(log_path, log);
}
return wallpaper.Substring(, wallpaper.IndexOf('\0'));
} [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern IntPtr SendMessageTimeout(
IntPtr windowHandle,
uint Msg,
IntPtr wParam,
IntPtr lParam,
SendMessageTimeoutFlags flags,
uint timeout,
out IntPtr result
); /// 桌面刷新
/// </summary>
[DllImport("shell32.dll")]
public static extern void SHChangeNotify(HChangeNotifyEventID wEventId, HChangeNotifyFlags uFlags, IntPtr dwItem1, IntPtr dwItem2); public static void DeskRef()
{
SHChangeNotify(HChangeNotifyEventID.SHCNE_ASSOCCHANGED, HChangeNotifyFlags.SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero);
} #region
[Flags]
public enum HChangeNotifyFlags
{
SHCNF_DWORD = 0x0003,
SHCNF_IDLIST = 0x0000,
SHCNF_PATHA = 0x0001,
SHCNF_PATHW = 0x0005,
SHCNF_PRINTERA = 0x0002,
SHCNF_PRINTERW = 0x0006,
SHCNF_FLUSH = 0x1000,
SHCNF_FLUSHNOWAIT = 0x2000
}
#endregion #region enum HChangeNotifyEventID
[Flags]
public enum HChangeNotifyEventID
{
SHCNE_ALLEVENTS = 0x7FFFFFFF,
SHCNE_ASSOCCHANGED = 0x08000000,
SHCNE_ATTRIBUTES = 0x00000800,
SHCNE_CREATE = 0x00000002,
SHCNE_DELETE = 0x00000004,
SHCNE_DRIVEADD = 0x00000100,
SHCNE_DRIVEADDGUI = 0x00010000,
SHCNE_DRIVEREMOVED = 0x00000080,
SHCNE_EXTENDED_EVENT = 0x04000000,
SHCNE_FREESPACE = 0x00040000,
SHCNE_MEDIAINSERTED = 0x00000020,
SHCNE_MEDIAREMOVED = 0x00000040,
SHCNE_MKDIR = 0x00000008,
SHCNE_NETSHARE = 0x00000200,
SHCNE_NETUNSHARE = 0x00000400,
SHCNE_RENAMEFOLDER = 0x00020000,
SHCNE_RENAMEITEM = 0x00000001,
SHCNE_RMDIR = 0x00000010,
SHCNE_SERVERDISCONNECT = 0x00004000,
SHCNE_UPDATEDIR = 0x00001000,
SHCNE_UPDATEIMAGE = 0x00008000,
}
#endregion [DllImport("user32.dll")]
public static extern bool InvalidateRect(IntPtr hwnd, IntPtr lpRect, bool bErase); public static void SetWallpaper2(string path, WallpaperStyle style)
{
try
{
log = "进入SetWallpaper方法!" + System.Environment.NewLine;
File.AppendAllText(log_path, log);
log = "时间:" + DateTime.Now.ToString() + System.Environment.NewLine;
File.AppendAllText(log_path, log);
//System.Drawing.Image img = System.Drawing.Image.FromStream(s);
//string tempPath = Path.Combine(Path.GetTempPath(), "wallpaper.bmp");
//img.Save(tempPath, System.Drawing.Imaging.ImageFormat.Bmp);
RegistryKey key = Registry.CurrentUser.OpenSubKey(@"Control Panel\Desktop", true);
key.SetValue(@"Wallpaper", path);
if (style == WallpaperStyle.Stretched)
{
key.SetValue(@"WallpaperStyle", .ToString());
key.SetValue(@"TileWallpaper", .ToString());
}
else if (style == WallpaperStyle.Centered)
{
key.SetValue(@"WallpaperStyle", .ToString());
key.SetValue(@"TileWallpaper", .ToString());
}
else if (style == WallpaperStyle.Tiled)
{
key.SetValue(@"WallpaperStyle", .ToString());
key.SetValue(@"TileWallpaper", .ToString());
}
else if (style == WallpaperStyle.Fit) //Win 7 or later
{
key.SetValue(@"WallpaperStyle", .ToString());
key.SetValue(@"TileWallpaper", .ToString());
}
else if (style == WallpaperStyle.Fill) //Win 7 or later
{
key.SetValue(@"WallpaperStyle", .ToString());
key.SetValue(@"TileWallpaper", .ToString());
}
else
{ }
int ret = SystemParametersInfo(SPI_SETDESKWALLPAPER, , path, SPIF_UPDATEINIFILE | SPIF_SENDININICHANGE);
if (ret > )
{
log = "结果:" + ret + System.Environment.NewLine;
File.AppendAllText(log_path, log);
}
else
{
int errCode = GetLastError();
log = "错误码:" + errCode + System.Environment.NewLine;
File.AppendAllText(log_path, log);
}
key.Flush();
key.Close();
//通知所有打开的程序注册表以修改
//SendMessageTimeout(new IntPtr(HWND_BROADCAST), WM_SETTINGCHANGE, IntPtr.Zero, IntPtr.Zero, SendMessageTimeoutFlags.SMTO_NORMAL, 1000, out result1);
//DeskRef();
//InvalidateRect(IntPtr.Zero, IntPtr.Zero, true);
}
catch (Exception e)
{
log = e.Message + System.Environment.NewLine;
File.AppendAllText(log_path, log);
}
} }
}
ProjectInstaller.cs
using Microsoft.Win32;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration.Install;
using System.Linq;
using System.Management; namespace AdvancedBackgroundJimmy
{
[RunInstaller(true)]
public partial class ProjectInstaller : System.Configuration.Install.Installer
{ public ProjectInstaller()
{
InitializeComponent();
} protected override void OnCommitted(System.Collections.IDictionary savedState)
{
base.OnCommitted(savedState);
//将服务更改为允许桌面交互模式
ConnectionOptions coOptions = new ConnectionOptions();
coOptions.Impersonation = ImpersonationLevel.Impersonate;
ManagementScope mgmtScope = new System.Management.ManagementScope(@"root\CIMV2", coOptions);
mgmtScope.Connect();
ManagementObject wmiService;
wmiService = new ManagementObject("Win32_Service.Name='" + this.serviceInstaller1.ServiceName + "'");
ManagementBaseObject InParam = wmiService.GetMethodParameters("Change");
InParam["DesktopInteract"] = true;
ManagementBaseObject OutParam = wmiService.InvokeMethod("Change", InParam, null);
} }
}
AdvancedBackgroundServiceJimmy.cs
using AdvancedBackground;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.ServiceProcess;
using System.Text;
using System.Threading;
using System.Windows.Forms; namespace AdvancedBackgroundJimmy
{
partial class AdvancedBackgroundServiceJimmy : ServiceBase
{ static String log_path = @"g:/TestLog/AdvancedBackgroundJimmy/log.txt";
static FileInfo logFileInfo = new FileInfo(log_path);
static String log = null;
static Thread thread = null; [DllImport("user32.dll")]
static extern int GetDesktopWindow(); [DllImport("user32.dll")]
static extern IntPtr GetProcessWindowStation(); [DllImport("kernel32.dll")]
static extern IntPtr GetCurrentThreadId(); [DllImport("user32.dll")]
static extern IntPtr GetThreadDesktop(IntPtr dwThread); [DllImport("user32.dll")]
static extern IntPtr OpenWindowStation(string a, bool b, int c); [DllImport("user32.dll")]
static extern IntPtr OpenDesktop(string lpszDesktop, uint dwFlags,
bool fInherit, uint dwDesiredAccess); [DllImport("user32.dll")]
static extern IntPtr CloseDesktop(IntPtr p); [DllImport("rpcrt4.dll", SetLastError = true)]
static extern IntPtr RpcImpersonateClient(int i); [DllImport("rpcrt4.dll", SetLastError = true)]
static extern IntPtr RpcRevertToSelf(); [DllImport("user32.dll")]
static extern IntPtr SetThreadDesktop(IntPtr a); [DllImport("user32.dll")]
static extern IntPtr SetProcessWindowStation(IntPtr a); [DllImport("user32.dll")]
static extern IntPtr CloseWindowStation(IntPtr a); public AdvancedBackgroundServiceJimmy()
{
InitializeComponent();
if (!logFileInfo.Exists)
{
logFileInfo.CreateText();
}
} protected override void OnStart(string[] args)
{
if (!logFileInfo.Exists)
{
logFileInfo.CreateText();
}
log = "进入OnStart方法!" + System.Environment.NewLine;
File.AppendAllText(log_path, log);
ThreadStart threadStart = new ThreadStart(delegate()
{
try
{
if (!logFileInfo.Exists)
{
logFileInfo.CreateText();
}
GetDesktopWindow();
IntPtr hwinstaSave = GetProcessWindowStation();
IntPtr dwThreadId = GetCurrentThreadId();
IntPtr hdeskSave = GetThreadDesktop(dwThreadId);
IntPtr hwinstaUser = OpenWindowStation("WinSta0", false, );
if (hwinstaUser == IntPtr.Zero)
{
RpcRevertToSelf();
return;
}
SetProcessWindowStation(hwinstaUser);
IntPtr hdeskUser = OpenDesktop("Default", , false, );
RpcRevertToSelf();
if (hdeskUser == IntPtr.Zero)
{
SetProcessWindowStation(hwinstaSave);
CloseWindowStation(hwinstaUser);
return;
}
SetThreadDesktop(hdeskUser);
IntPtr dwGuiThreadId = dwThreadId;
AdvancedBackgroundJimmy.Program.AutoPhoto();
dwGuiThreadId = IntPtr.Zero;
SetThreadDesktop(hdeskSave);
SetProcessWindowStation(hwinstaSave);
CloseDesktop(hdeskUser);
CloseWindowStation(hwinstaUser);
}
catch (Exception e)
{
log = e.Message + System.Environment.NewLine;
File.AppendAllText(log_path, log);
}
});
thread = new Thread(threadStart);
thread.IsBackground = true;
thread.Start();
//AdvancedBackgroundJimmy.Program.AutoPhoto();
} protected override void OnStop()
{
if(thread != null)
{
if (thread.IsAlive)
{
thread.Abort();
thread = null;
}
}
}
}
}
完成.
修改by:ラピスラズリ(Dawn)
修改日期:2019-10-18 9:22:46
问题:去掉了不小心加上的无用代码
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