AttachConsole
C# Signature:
[DllImport("kernel32.dll", SetLastError = true)]
static extern bool AttachConsole(uint dwProcessId);VB Signature:
Declare Function AttachConsole Lib "kernel32.dll" (dwProcessId as UInteger) As BooleanUser-Defined Types:
const uint ATTACH_PARENT_PROCESS = 0x0ffffffff; // default value if not specifing a process IDUser-Defined Types:
const int ERROR_ACCESS_DENIED = 5; // process was already attached to another consoleSample Code to Paste in your "Windows Application (C#)" Program.cs right after the lines that say "static class Program { ":
/// <remarks>
///
/// USAGE: Place inside your program's main static class
/// and call AllocateConsole whenever you want.
/// </remarks>
/// <summary>
/// allocates a new console for the calling process.
/// </summary>
/// <returns>If the function succeeds, the return value is nonzero.
/// If the function fails, the return value is zero.
/// To get extended error information, call Marshal.GetLastWin32Error.</returns>
[DllImport("kernel32",SetLastError=true)]
static extern bool AllocConsole();
/// <summary>
/// Detaches the calling process from its console
/// </summary>
/// <returns>If the function succeeds, the return value is nonzero.
/// If the function fails, the return value is zero.
/// To get extended error information, call Marshal.GetLastWin32Error.</returns>
[DllImport("kernel32", SetLastError = true)]
static extern bool FreeConsole();
/// <summary>
/// Attaches the calling process to the console of the specified process.
/// </summary>
/// <param name="dwProcessId">[in] Identifier of the process, usually will be ATTACH_PARENT_PROCESS</param>
/// <returns>If the function succeeds, the return value is nonzero.
/// If the function fails, the return value is zero.
/// To get extended error information, call Marshal.GetLastWin32Error.</returns>
[DllImport("kernel32.dll", SetLastError=true)]
static extern bool AttachConsole(uint dwProcessId);
/// <summary>Identifies the console of the parent of the current process as the console to be attached.
/// always pass this with AttachConsole in .NET for stability reasons and mainly because
/// I have NOT tested interprocess attaching in .NET so dont blame me if it doesnt work! </summary>
const uint ATTACH_PARENT_PROCESS = 0x0ffffffff;
/// <summary>
/// calling process is already attached to a console
/// </summary>
const int ERROR_ACCESS_DENIED = 5;
/// <summary>
/// Allocate a console if application started from within windows GUI.
/// Detects the presence of an existing console associated with the application and
/// attaches itself to it if available.
/// </summary>
private static void AllocateConsole()
{
//
// the following should only be used in a non-console application type (C#)
// (since a console is allocated/attached already when you define a console app.. :) )
//
if (!AttachConsole(ATTACH_PARENT_PROCESS) && Marshal.GetLastWin32Error() == ERROR_ACCESS_DENIED)
{
// A console was not allocated, so we need to make one.
if (!AllocConsole())
{
MessageBox.Show("A console could not be allocated, sorry!");
throw new Exception("Console Allocation Failed");
}
else
{
Console.WriteLine("Is Attached, press a key...");
Console.ReadKey(true);
// you now may use the Console.xxx functions from .NET framework
// and they will work as normal
}
}
}Author
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The FreeConsole API4/18/2010 9:54:09 PM - -87.74.96.9Attach current process to the console of a specified process, or to the current one by default (see ATTACH_PARENT_PROCESS) (this is an large contrib article, and since the net add-in insists on using this one, i decided to place it here and not in the original place.)5/18/2020 12:05:07 PM - LNK1123-84.26.94.125TODO - a short description12/2/2007 1:13:05 PM - anonymousÚltima actualización