pInvoke 的一个例子是绝对有效的,你可以先用 ping 之类的简单方法试试吗?我已经修改了 pInvoke 的代码来执行 ping 127.0.0.1,如果它适合你,请看下面。回答您的问题:1 - 我想没有必要这样做,但可以双向工作,2 - 你可以这样做,但如果应用程序没有从一开始就启动它不会帮助你。
示例代码:
public const UInt32 Infinite = 0xffffffff;
public const Int32 Startf_UseStdHandles = 0x00000100;
public const Int32 StdOutputHandle = -11;
public const Int32 StdErrorHandle = -12;
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct StartupInfo
{
public int cb;
public String reserved;
public String desktop;
public String title;
public int x;
public int y;
public int xSize;
public int ySize;
public int xCountChars;
public int yCountChars;
public int fillAttribute;
public int flags;
public UInt16 showWindow;
public UInt16 reserved2;
public byte reserved3;
public IntPtr stdInput;
public IntPtr stdOutput;
public IntPtr stdError;
}
public struct ProcessInformation
{
public IntPtr process;
public IntPtr thread;
public int processId;
public int threadId;
}
[DllImport("advapi32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
public static extern bool CreateProcessWithLogonW(
String userName,
String domain,
String password,
UInt32 logonFlags,
String applicationName,
String commandLine,
UInt32 creationFlags,
UInt32 environment,
String currentDirectory,
ref StartupInfo startupInfo,
out ProcessInformation processInformation);
[DllImport("kernel32.dll", SetLastError = true)]
public static extern bool GetExitCodeProcess(IntPtr process, ref UInt32 exitCode);
[DllImport("Kernel32.dll", SetLastError = true)]
public static extern UInt32 WaitForSingleObject(IntPtr handle, UInt32 milliseconds);
[DllImport("Kernel32.dll", SetLastError = true)]
public static extern IntPtr GetStdHandle(IntPtr handle);
[DllImport("Kernel32.dll", SetLastError = true)]
public static extern bool CloseHandle(IntPtr handle);
private void button1_Click(object sender, RoutedEventArgs e)
{
StartupInfo startupInfo = new StartupInfo();
startupInfo.reserved = null;
startupInfo.flags &= Startf_UseStdHandles;
startupInfo.stdOutput = (IntPtr)StdOutputHandle;
startupInfo.stdError = (IntPtr)StdErrorHandle;
UInt32 exitCode = 123456;
ProcessInformation processInfo = new ProcessInformation();
String command = @"c:\windows\system32\ping.exe 127.0.0.1";
String user = "admin";
String domain = System.Environment.MachineName;
String password = "password";
String currentDirectory = System.IO.Directory.GetCurrentDirectory();
try
{
CreateProcessWithLogonW(
user,
domain,
password,
(UInt32)1,
null,
command,
(UInt32)0,
(UInt32)0,
currentDirectory,
ref startupInfo,
out processInfo);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
Console.WriteLine("Running ...");
WaitForSingleObject(processInfo.process, Infinite);
GetExitCodeProcess(processInfo.process, ref exitCode);
Console.WriteLine("Exit code: {0}", exitCode);
CloseHandle(processInfo.process);
CloseHandle(processInfo.thread);
}
希望这会有所帮助,问候