Class 10 fyne GoLang GUI Canvas Rectangle

I this tutorial we are going to create a basic retangle in fyne & golang.
Here is the one line code to create a rectangle.

rect := canvas.NewRectangle(color.Black)

You can change color of rectangle

//fill color
rect.FillColor = color.NRGBA{R: 255, G: 255, B: 0, A: 255}

You can change stroke of rectangle

// Add Stroke
rect.StrokeColor = color.NRGBA{R: 255, G: 0, B: 0, A: 255}

You can change stroke width of rectangle

//Change stroke width
rect.StrokeWidth = 5.0

package main

// importing fyne
import (
"image/color"

"fyne.io/fyne/v2"
"fyne.io/fyne/v2/app"
"fyne.io/fyne/v2/canvas"
)

func main() {
// creating app
a := app.New()
// creating windows
w := a.NewWindow("Rectangle : Canvas")

rect := canvas.NewRectangle(color.Black)
//fill color
rect.FillColor = color.NRGBA{R: 255, G: 255, B: 0, A: 255}
rect.StrokeColor = color.NRGBA{R: 255, G: 0, B: 0, A: 255}
rect.StrokeWidth = 5.0
//setup content
w.SetContent(rect)
//resizing window
w.Resize(fyne.NewSize(400, 400))

w.ShowAndRun() // show and run app
}