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A Windows GUI toolkit for the Go Programming Language

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About Walk

Walk is a "Windows Application Library Kit" for the Go Programming Language.

Its primarily useful for Desktop GUI development, but there is some more stuff.

Setup

Make sure you have a working Go installation. See Getting Started

Note

Go 1.0.x doesn't work with walk anymore, Make sure you use Go 1.1.x

To Install

Now run go get github.com/lxn/walk

Using Walk

The preferred way to create GUIs with Walk is to use its declarative sub package, as illustrated in this small example:

test.go
package main

import (
	"github.com/lxn/walk"
	. "github.com/lxn/walk/declarative"
	"strings"
)

func main() {
	var inTE, outTE *walk.TextEdit

	MainWindow{
		Title:   "SCREAMO",
		MinSize: Size{600, 400},
		Layout:  VBox{},
		Children: []Widget{
			HSplitter{
				Children: []Widget{
					TextEdit{AssignTo: &inTE},
					TextEdit{AssignTo: &outTE, ReadOnly: true},
				},
			},
			PushButton{
				Text: "SCREAM",
				OnClicked: func() {
					outTE.SetText(strings.ToUpper(inTE.Text()))
				},
			},
		},
	}.Run()
}
Build app
go build test.go
Create Manifest test.exe.manifest
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
        <assemblyIdentity version="1.0.0.0" processorArchitecture="*" name="SomeFunkyNameHere" type="win32"/>
        <dependency>
            <dependentAssembly>
                <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
            </dependentAssembly>
        </dependency>
    </assembly>
Run app
test.exe
Sample Output (Windows 7)

alt tag

More Examples

There are some examples that should get you started.

Application Manifest Files

Walk requires Common Controls 6. This means that you must put an appropriate application manifest file either next to your executable or embedded as a resource.

You can copy one of the application manifest files that come with the examples.

IMPORTANT: Do not launch your executable before the manifest file is in place. If you do anyway, the program will not run properly. And worse, Windows will not recognize a manifest file, you later drop next to the executable. To fix this, rebuild your executable and only launch it with a manifest file in place.

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A Windows GUI toolkit for the Go Programming Language

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