/// <summary>
/// Function to open the data store for writing.
/// </summary>
/// <param name="initialMessage">[Optional] The initial message to write.</param>
public void Open(string initialMessage = null)
{
if (Interlocked.Exchange(ref _hasConsole, 1) == 1)
{
return;
}
// Check for an existing console first.
using (Stream stdIn = Console.OpenStandardInput())
{
// If it does not exist, then create one.
if (stdIn == Stream.Null)
{
if (!KernelApi.AllocConsole())
{
return;
}
_ownsConsole = true;
}
}
// If we have Enable Native Debugging turned on, all output is redirected to the debug window.
// This will reset that back to our logging window.
if (Console.IsOutputRedirected)
{
const uint genericRead = 0x80000000;
const uint genericWrite = 0x40000000;
IntPtr filePtr = KernelApi.CreateFileW("CONOUT$",
(genericRead | genericWrite),
(uint)FileShare.ReadWrite,
IntPtr.Zero,
(uint)FileMode.Open,
0,
IntPtr.Zero);
var handle = new SafeFileHandle(filePtr, true);
if (handle.IsInvalid)
{
handle.Dispose();
return;
}
KernelApi.SetStdHandle(KernelApi.StdOutputHandle, filePtr);
var stream = new FileStream(handle, FileAccess.Write);
var writer = new StreamWriter(stream, Encoding.Default)
{
AutoFlush = true
};
Console.SetOut(writer);
if (KernelApi.GetConsoleMode(filePtr, out uint consoleMode))
{
KernelApi.SetConsoleMode(filePtr, consoleMode | 0x200);
}
}
if (string.IsNullOrWhiteSpace(initialMessage))
{
return;
}
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine(initialMessage);
Console.ResetColor();
}