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  • Gum Tool
    • Introduction
    • Setup
      • Running from Source
    • Showcase
    • Tutorials and Examples
      • Intro Tutorials
        • 1 - The Basics
        • 2 - Variables Tab
        • 3 - Files
        • 4 - Components
        • 5 - Exposing Variables
        • 6 - Parent
        • 7 - States
        • 8 - State Categories
      • Animation Tutorials
        • 1 - Introduction to Animation
        • 2 - Creating an Animation
        • 3 - Playing Animations inside other Animations
        • 4 - Combining Multiple Categories
      • Examples
        • Bottom-Up Stack
        • Centering
        • Custom NineSlice
        • Health Bar
        • Padding
    • Gum Elements
      • General Properties
        • Alpha
        • Base Type (Inheritance)
        • Blend
        • Clips Children
        • Has Events
        • Height Units
        • Ignored By Parent Size
        • Locked
        • Max Height
        • Max Width
        • Min Height
        • Min Width
        • Order
        • Parent
        • Rotation
        • Visible
        • Variable References
        • Width Units
        • X
        • X Origin
        • X Units
        • Y
        • Y Origin
        • Y Units
      • Behaviors
        • Default Implementation
      • Circle
      • ColoredRectangle
      • Component
        • Default Child Container
      • Container
        • Children Layout
        • Contained Type
        • Is Render Target
        • Stack Spacing
        • Wraps Children
      • NineSlice
        • Blend
        • Custom Frame Texture Coordinate Width
        • Texture Address
        • Texture Left
        • Texture Top
      • Polygon
        • Points
      • Skia Standard Elements
        • General Properties
          • Has Dropshadow
          • Is Filled
          • Use Gradient
        • Arc
          • Start Angle
          • Sweep Angle
          • Thickness
        • Canvas
        • ColoredCircle
        • LottieAnimation
        • RoundedRectangle
          • Corner Radius
        • Svg
      • Sprite
        • Color
        • Source File
        • Texture Address
        • Wrap
      • States
        • Categories
      • Text
        • Blue
        • Color
        • Font
        • Font Scale
        • Font Size
        • Green
        • Is Bold
        • Is Italic
        • MaxLettersToShow
        • Outline Thickness
        • Red
        • Text
        • Text Overflow Horizontal Mode
        • Text Overflow Vertical Mode
        • Use Custom Font
        • Use Font Smoothing
    • Project Tab
    • Code Tab
      • Runtime Generation Details
      • Generation Scope
      • Inheritance Location
      • Is CodeGen Plugin Enabled
      • Show CodeGen Preview
    • Localization
    • Menu
      • Content
      • Project Properties
    • Plugins
      • AddAndRemoveVariablesForType
      • AddMenuItem
      • Export
      • Setting Up Post Build Events
    • Variables
      • Add Variable
    • Bitmap font generator (.fnt)
    • Upgrading
      • Migrating 2025 April 27 to Preview
      • Breaking Changes
        • Removal of Variable Spaces
  • Code
    • Gum Code Reference
      • AnimationRuntime
      • BitmapCharacterInfo
      • BitmapFont
      • Camera
      • CircleRuntime
      • ColoredRectangleRuntime
      • Component Runtimes
      • ContainerRuntime
      • Cursor
      • Gum Class Overview
      • DataUiGrid
        • Reflection
        • Categories
      • ElementSave
        • ToGraphicalUiElement
      • GraphicalUiElement
        • Absolute Values
        • AddToManagers
        • AnimateSelf
        • ApplyState
        • BlendState
        • CanvasHeight
        • CanvasWidth
        • Children
        • ContainedElements
        • Font Values
        • GetAbsoluteHeight
        • GetAbsoluteWidth
        • GetChildByNameRecursively
        • GetFrameworkElementByName
        • IsAllLayoutSuspended
        • Parent
        • RemoveFromManagers
        • UpdateLayout
      • GumProjectSave
      • IDataUi
      • InstanceMember
      • InstanceSave
      • InteractiveGue
        • CurrentInputReceiver
        • RaiseChildrenEventsOutsideOfBounds
        • RollOverBubbling
      • IPositionedSizedObject
      • Layer
      • NineSliceRuntime
      • RectangleRuntime
      • Renderer
        • SinglePixelTexture
      • SelectedState
      • SpriteRenderer
        • LastFrameDrawStates
      • SpriteRuntime
        • TextureAddress
        • TextureHeight
        • TextureLeft
        • TextureTop
        • TextureWidth
      • TextRuntime
        • Color
        • FontScale
        • FontSize
        • HorizontalAlignment
        • Text Wrapping
        • VerticalAlignment
      • VariableSave
    • FNA
    • Kni
    • Meadow
    • MonoGame
      • Setup
        • Linking Game Project to Source (Optional)
      • Tutorials
        • Gum Project Forms Tutorial
          • Setup
          • Gum Screens
          • Common Component Types
          • Styling
          • Multiple Screens
        • Code-Only Gum Forms Tutorial
          • Setup
          • Forms Controls
          • ListBox Items
          • Input in Forms
        • [Deprecated] Gum Project (.gumx) Tutorial
          • Setup
          • Gum Screens
          • Gum Forms
          • Customizing Forms
          • Strongly Typed Components Using Code Generation
          • Multiple Screens
      • Setup for GumBatch (Optional)
      • Loading a Gum Project (Optional)
      • async Programming
      • Custom Runtimes
      • GumBatch
      • Gum Forms
        • Binding (ViewModels)
        • Controls
          • Button
          • CheckBox
          • FrameworkElement
            • BindingContext
            • IsEnabled
            • IsFocused
            • ModalRoot and PopupRoot
            • SetBinding
          • ListBox
          • ListBoxItem
          • MenuItem
          • PasswordBox
          • RadioButton
          • ScrollViewer
            • VerticalScrollBarValue
          • StackPanel
          • Slider
          • TextBox
        • Control Customization In Code
          • MenuItem
        • Control Customization in Gum Tool
        • Gamepad Support
        • Keyboard Support
        • Troubleshooting
      • File Loading
      • Resizing the Game Window
      • Known Issues
      • Samples
        • MonoGameGumFormsSample
    • Nez
    • Silk.NET
    • SkiaGum
      • Setup
        • WPF
    • .NET MAUI
      • Setup
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On this page
  • Powerful WYSIWYG Editor
  • Object Oriented Design Focused on Reusable Controls
  • Gum Objects Support Multiple Size and Position Units
  • Simple Integration with any FlatRedBall or MonoGame Project
  • Interact with Gum in Code
  • Time-Tested and Reliable
  • Need Help?

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  1. Gum Tool

Introduction

NextSetup

Last updated 12 days ago

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Gum is the best Game UI Layout tool available. It provides a flexible, efficient layout engine capable of producing virtually any layout. Gum can be used in a variety of contexts including in the , , , and more. Gum can also be rendered on Skia so it can be used in any environment that supports Skia such as , , and Avalonia.

The Gum layout engine can also be included in any .NET project without requiring the use of a particular graphical API.

Powerful WYSIWYG Editor

Gum UI includes advanced layout functionality to create and preview your UI

Object Oriented Design Focused on Reusable Controls

Gum allows the creation of components which can be instanced and customized in screens and other components

Gum Objects Support Multiple Size and Position Units

Adjust an object’s origin, position units, size units, and stacking to create fluid UI

Simple Integration with any FlatRedBall or MonoGame Project

Grab the NuGet, add a few lines of code, see your Gum project in game!

Interact with Gum in Code

Gum objects can be created and modified in code. Create fully-featured UI by subscribing to common UI events.

Time-Tested and Reliable

Need Help?

Gum is actively maintained and provides lots of ways to get answers:

  • Check the rest of the documentation here

Gum has been used in commercial projects of all sizes - check them out in our page.

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FlatRedBall game engine
MonoGame
Meadow
WPF
Silk.NET
Gum UI
Gum Components
Position and Size Units
Gum UI in game
Working with Gum in Code