public static async Task <IAsyncDisposable> TryConfigure(bool noColor, OperatingSystem operatingSystem, TextWriter log, string logPrefix)
{
if (noColor || operatingSystem != OperatingSystem.Windows)
{
return(new NullAsyncDisposable());
}
var(handle, gotHandle) = await NativeMethodsWrapper.TryGetStandardOutputHandle(log, logPrefix).Tax();
if (!gotHandle)
{
return(new NullAsyncDisposable());
}
var(oldMode, gotMode) = await NativeMethodsWrapper.TryGetConsoleScreenBufferOutputMode(handle, log, logPrefix).Tax();
if (!gotMode)
{
return(new NullAsyncDisposable());
}
var newMode = oldMode | NativeMethods.ConsoleOutputModes.ENABLE_VIRTUAL_TERMINAL_PROCESSING;
await NativeMethodsWrapper.TrySetConsoleScreenBufferOutputMode(handle, newMode, log, logPrefix).Tax();
return(new State(handle, oldMode, log, logPrefix));
}
public static async Task TryEnableVirtualTerminalProcessing(TextWriter log)
{
(var handle, var gotHandle) = await NativeMethodsWrapper.TryGetStandardOutputHandle(log).Tax();
if (!gotHandle)
{
return;
}
(var mode, var gotMode) = await NativeMethodsWrapper.TryGetConsoleScreenBufferOutputMode(handle, log).Tax();
if (!gotMode)
{
return;
}
mode |= NativeMethods.ConsoleOutputModes.ENABLE_VIRTUAL_TERMINAL_PROCESSING;
await NativeMethodsWrapper.TrySetConsoleScreenBufferOutputMode(handle, mode, log).Tax();
}
public Task DisposeAsync() => NativeMethodsWrapper.TrySetConsoleScreenBufferOutputMode(handle, oldMode, log, logPrefix);
