У меня есть решение.
Я использовал PostMessage ().
У Cmd есть дескриптор, и вы можете отправить ему строку.
Я только изо всех сил пытался найти правильный способ получить ручку.
Теперь я получил один.
/*
* Created by SharpDevelop.
* User: Rahul
* Date: 5/12/2011
* Time: 1:49 AM
*
* To change this template use Tools | Options | Coding | Edit Standard Headers.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;
namespace GetChildWindows
{
/// <summary>
/// Description of MainForm.
/// </summary>
public partial class MainForm : Form
{
[DllImport("user32")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool EnumChildWindows(IntPtr window, EnumWindowProc callback, IntPtr i);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
[DllImport("user32.dll", SetLastError = true)]
static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
IntPtr hWnd = FindWindow(null, "Untitled - Notepad");
[DllImport("user32.dll", SetLastError = true)]
static extern bool PostMessage(IntPtr hWnd, [MarshalAs(UnmanagedType.U4)] uint Msg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", SetLastError = true)]
static extern bool PostMessage(IntPtr hWnd, [MarshalAs(UnmanagedType.U4)] uint Msg, int wParam, int lParam);
const int WM_KEYDOWN = 0x0100;
const int WM_KEYUP = 0x0101;
const int WM_CHAR = 0x0102;
public static IntPtr cmdHwnd = IntPtr.Zero;
public MainForm()
{
//
// The InitializeComponent() call is required for Windows Forms designer support.
//
InitializeComponent();
//
// TODO: Add constructor code after the InitializeComponent() call.
//
foreach (IntPtr child in GetChildWindows(FindWindow(null, "WinPlusConsole")))
{
StringBuilder sb = new StringBuilder(100);
GetClassName(child, sb, sb.Capacity);
if (sb.ToString() == "ConsoleWindowClass")
{
// uint wparam = 0 << 29 | 0;
// string msg = "Hello";
// int i = 0;
// for (i = 0 ; i < msg.Length ; i++)
// {
// //PostMessage(child, WM_KEYDOWN, (IntPtr)Keys.Enter, (IntPtr)wparam);
// PostMessage(child, WM_CHAR, (int)msg[i], 0);
// }
// PostMessage(child, WM_KEYDOWN, (IntPtr)Keys.Enter, (IntPtr)wparam);
cmdHwnd = child;
}
}
}
/// <summary>
/// Returns a list of child windows
/// </summary>
/// <param name="parent">Parent of the windows to return</param>
/// <returns>List of child windows</returns>
public static List<IntPtr> GetChildWindows(IntPtr parent)
{
List<IntPtr> result = new List<IntPtr>();
GCHandle listHandle = GCHandle.Alloc(result);
try
{
EnumWindowProc childProc = new EnumWindowProc(EnumWindow);
EnumChildWindows(parent, childProc, GCHandle.ToIntPtr(listHandle));
}
finally
{
if (listHandle.IsAllocated)
listHandle.Free();
}
return result;
}
/// <summary>
/// Callback method to be used when enumerating windows.
/// </summary>
/// <param name="handle">Handle of the next window</param>
/// <param name="pointer">Pointer to a GCHandle that holds a reference to the list to fill</param>
/// <returns>True to continue the enumeration, false to bail</returns>
private static bool EnumWindow(IntPtr handle, IntPtr pointer)
{
GCHandle gch = GCHandle.FromIntPtr(pointer);
List<IntPtr> list = gch.Target as List<IntPtr>;
if (list == null)
{
throw new InvalidCastException("GCHandle Target could not be cast as List<IntPtr>");
}
list.Add(handle);
// You can modify this to check to see if you want to cancel the operation, then return a null here
return true;
}
/// <summary>
/// Delegate for the EnumChildWindows method
/// </summary>
/// <param name="hWnd">Window handle</param>
/// <param name="parameter">Caller-defined variable; we use it for a pointer to our list</param>
/// <returns>True to continue enumerating, false to bail.</returns>
public delegate bool EnumWindowProc(IntPtr hWnd, IntPtr parameter);
void BtnHelloClick(object sender, EventArgs e)
{
uint wparam = 0 << 29 | 0;
string msg = "Hello";
int i = 0;
for (i = 0 ; i < msg.Length ; i++)
{
//PostMessage(child, WM_KEYDOWN, (IntPtr)Keys.Enter, (IntPtr)wparam);
PostMessage(cmdHwnd, WM_CHAR, (int)msg[i], 0);
}
PostMessage(cmdHwnd, WM_KEYDOWN, (IntPtr)Keys.Enter, (IntPtr)wparam);
}
void BtnCommandClick(object sender, EventArgs e)
{
uint wparam = 0 << 29 | 0;
string msg = textBox1.Text;
int i = 0;
for (i = 0 ; i < msg.Length ; i++)
{
//PostMessage(child, WM_KEYDOWN, (IntPtr)Keys.Enter, (IntPtr)wparam);
PostMessage(cmdHwnd, WM_CHAR, (int)msg[i], 0);
}
PostMessage(cmdHwnd, WM_KEYDOWN, (IntPtr)Keys.Enter, (IntPtr)wparam);
}
void TextBox1TextChanged(object sender, EventArgs e)
{
}
}
}
Спасибо всем!