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Getting Started Creating your first Fyne app Run Fyne Demo Application and RunLoop Updating Content in your GUI Window Handling Testing Graphical Apps Packaging for Desktop Mobile Packaging Run in a Browser App Metadata Distributing to App Stores Compiling for different platforms

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Canvas and CanvasObject Container and Layouts Widget List Layout List Dialog List Theme Icons Adding Shortcuts to an App Using the Preferences API Adding app translations System Tray Menu Data Binding Compile Options

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Box Grid Grid Wrap Border Form Center Max AppTabs

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Data Binding

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Extending Fyne

Building a Custom Layout Writing a Custom Widget Bundling resources Creating a Custom Theme Extending Widgets Numerical Entry

Architecture

Geometry Scaling Widgets Organisation and Packages

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Layout and Widget Size Theme and Customisation Troubleshooting

API Documentation

Upgrade to v2.5 Fyne API v2.5 app canvas container data/binding data/validation dialog driver driver/desktop driver/mobile driver/software lang layout storage storage/repository test theme widget

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Fyne API "binding.ExternalIntTree"

binding.ExternalIntTree

import "fyne.io/fyne/v2/data/binding"

Usage

type ExternalIntTree

type ExternalIntTree interface {
	IntTree

	Reload() error
}

ExternalIntTree supports binding a tree of int values from an external variable.

Since:

2.4

func BindIntTree

func BindIntTree(ids *map[string][]string, v *map[string]int) ExternalIntTree

BindIntTree returns a bound tree of int values, based on the contents of the passed values. The ids map specifies how each item relates to its parent (with id “”), with the values being in the v map. If your code changes the content of the maps this refers to you should call Reload() to inform the bindings.

Since:

2.4

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