public ConsoleStream(StandardHandleType type)
{
SafeFileHandle?handle = Console.GetStandardHandle(type);
_handle = handle ?? throw new InvalidOperationException($"Could not get standard handle of type {type}.");
_output = type != StandardHandleType.Input;
}
public static bool StandardHandleIsTty(Program program, StandardHandleType handleType)
{
var standardHandle = GetStdHandle(std: handleType);
var handleFileType = GetFileType(fileHandle: standardHandle);
return(handleFileType == FileType.Char);
}
/// <summary>
/// Get the specified standard handle.
/// </summary>
public static SafeFileHandle GetStandardHandle(StandardHandleType type)
{
IntPtr handle = Imports.GetStdHandle(type);
if (handle == (IntPtr)(-1))
{
throw Error.GetExceptionForLastError();
}
// If there is no associated standard handle, return null
if (handle == IntPtr.Zero)
{
return(null);
}
// The standard handles do not need to be released.
return(new SafeFileHandle(handle, ownsHandle: false));
}
public ConsoleStream(StandardHandleType type)
{
_handle = Console.GetStandardHandle(type);
_output = type != StandardHandleType.Input;
}
public static extern IntPtr GetStdHandle(StandardHandleType nStdHandle);
public static extern IntPtr GetStdHandle(StandardHandleType stdHandleType);
public static extern bool SetStdHandle(
StandardHandleType nStdHandle,
SafeHandle hHandle);
public static extern bool GetStdHandle(
StandardHandleType nStdHandle);
