public static void EnsureConsoleOpen()
{
if (Environment.OSVersion.Platform.IsWindows())
{
if (NativeWindowsConsole.StdOutFileHandle == IntPtr.Zero)
{
if (NativeWindows.AllocConsole() == false)
{
throw new InvalidOperationException(String.Format("Failed to create console (lasterror={0})", NativeWindows.GetLastError()));
}
NativeWindowsConsole.StdOutFileHandle = NativeWindows.GetStdHandle(NativeWindows.STD_OUTPUT_HANDLE);
if (NativeWindowsConsole.StdOutFileHandle == NativeWindows.INVALID_HANDLE_VALUE)
{
throw new InvalidOperationException(String.Format("GetStdHandle(STD_OUTPUT_HANDLE) failed (error={0})", NativeWindows.GetLastError()));
}
if (NativeWindowsConsole.StdOutFileHandle == IntPtr.Zero)
{
throw new InvalidOperationException(String.Format("GetStdHandle(STD_OUTPUT_HANDLE) returned 0 but this doesn't make sense because we just called AllocConsole? (lasterror={0})", NativeWindows.GetLastError()));
}
NativeWindowsConsole.StdOutCodePage = NativeWindows.GetConsoleCP();
StdOut = BufferedWindowsConsoleSink.Create(64, true);
}
}
else
{
throw new PlatformNotSupportedException(String.Format("No console implemented for platform: {0}",
Environment.OSVersion.Platform));
}
}
static NativeWindowsConsole()
{
StdOutFileHandle = NativeWindows.GetStdHandle(NativeWindows.STD_OUTPUT_HANDLE);
if (StdOutFileHandle == NativeWindows.INVALID_HANDLE_VALUE)
{
throw new InvalidOperationException(String.Format("GetStdHandle(STD_OUTPUT_HANDLE) failed (error={0})", NativeWindows.GetLastError()));
}
if (StdOutFileHandle != IntPtr.Zero)
{
NativeWindowsConsole.StdOutCodePage = NativeWindows.GetConsoleCP();
}
}