PromptPlus

PromptPlus # PromptPlus ## **Input — Styles** [![NuGet](https://img.shields.io/badge/NuGet-PromptPlus-blue)](https://www.nuget.org/packages/PromptPlus) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![.NET](https://img.shields.io/badge/.NET-8%20%7C%209%20%7C%2010-512BD4)](https://dotnet.microsoft.com/)

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The Input (and Secret) control paints its output in named regions. Each region is an InputStyles value you can recolor per control instance.

ℹ️ Styling is per control — there is no global “style all inputs” API. Set styles on each control (or through a small helper you reuse). The only style-related global setting is PromptPlus.Config.ContrastRatio.


The InputStyles regions

Region What it paints
Prompt The prompt text
Answer The value the user is typing / the confirmed answer
Description The description line under the prompt
Suggestion The non-highlighted rows in the suggestion list
Selected The highlighted suggestion / history entry
UnSelected The non-highlighted history entries
Error The validation error line
Pagination The page indicator during history / suggestion navigation
Tooltips The keyboard-hint line

Recoloring a region

Use the fluent Styles method. A Style is a foreground color, a background color, and an Overflow strategy — there is no bold/italic/underline. A bare Color is accepted as shorthand for a foreground-only style.

using ConsolePlusLibrary;
using PromptPlusLibrary;

PromptPlus.Controls
    .Input("Name")
    .Styles(InputStyles.Answer, Color.Green)                          // Color shorthand (foreground)
    .Styles(InputStyles.Error,  new Style(Color.Red, Color.Default))  // explicit fg + bg
    .Run();

To reuse a theme across inputs, wrap the styling in a helper you call for each control — the library does not broadcast styles for you. See Global Styles for the pattern.


Contrast enforcement

PromptPlus nudges foreground colors that fall below the configured contrast ratio so text stays readable on any terminal theme. Tune or disable with:

PromptPlus.Config.ContrastRatio = 0;     // disable
PromptPlus.Config.ContrastRatio = 4.5;   // WCAG AA target

See also