How to set the Alignment of checkbox of the RadioButton in C#?

In Windows Forms, RadioButton control is used to select a single option among the group of the options. For example, select your gender from the given list, so you will choose only one option among three options like Male or Female or Transgender. In Windows Forms, you are allowed to adjust the alignment of the checkbox of the RadioButton using the CheckAlign Property of the RadioButton.
The value of this property is specified by the ContentAlignment enum, it contains 9 different types of values for checkbox alignment, i.e, BottomCenter, BottomLeft, BottomRight, MiddleCenter, MiddleLeft, MiddleRight, TopCenter, TopLeft, and TopRight. The default value of this property is MiddleLeft. You can set this property in two different ways:

1. Design-Time: It is the easiest way to set the alignment of the checkbox of the RadioButton as showing in the following steps:

  • Step 1: Create a windows form as shown in the below image:
    Visual Studio -> File -> New -> Project -> WindowsFormApp
  • Step 2: Drag the RadioButton control from the ToolBox and drop it on the windows form. You are allowed to place a RadioButton control anywhere on the windows form according to your need.
  • Step 3: After drag and drop you will go to the properties of the RadioButton control to set the alignment of the checkbox of the RadioButton.



    Output:

2. Run-Time: It is a little bit trickier than the above method. In this method, you can set the alignment of the checkbox of the RadioButton control programmatically with the help of given syntax:

public System.Drawing.ContentAlignment CheckAlign { get; set; }

Here, ContentAlignment is the ContentAlignment’s values. It will throw an InvalidEnumArgumentException if the value doesn’t belong to ContentAlignment’s values. The following steps show how to set the alignment of the checkbox of the RadioButton dynamically:

  • Step 1: Create a radio button using the RadioButton() constructor is provided by the RadioButton class.
    // Creating radio button
    RadioButton r1 = new RadioButton();
    
  • Step 2: After creating RadioButton, set the CheckAlign property of the RadioButton provided by the RadioButton class.
    // Setting the alignment of the checkbox of the radio button
    r1.CheckAlign = ContentAlignment.BottomCenter;
    
  • Step 3: And last add this RadioButton control to the form using Add() method.
    // Add this radio button to the form
    this.Controls.Add(r1);
    

    Example:

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    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
      
    namespace WindowsFormsApp23 {
      
    public partial class Form1 : Form {
      
        public Form1()
        {
            InitializeComponent();
        }
      
        private void Form1_Load(object sender, EventArgs e)
        {
            // Creating and setting label
            Label l = new Label();
            l.AutoSize = true;
            l.Location = new Point(176, 40);
            l.Text = "Select Post";
      
            // Adding this label to the form
            this.Controls.Add(l);
      
            // Creating and setting the
            // properties of the RadioButton
            RadioButton r1 = new RadioButton();
            r1.AutoSize = true;
            r1.Text = "Intern";
            r1.Location = new Point(286, 40);
            r1.BackColor = Color.LightSteelBlue;
            r1.Padding = new Padding(6, 6, 6, 6);
            r1.CheckAlign = ContentAlignment.BottomCenter;
      
            // Adding this label to the form
            this.Controls.Add(r1);
      
            // Creating and setting the 
            // properties of the RadioButton
            RadioButton r2 = new RadioButton();
            r2.Text = "Team Leader";
            r2.Location = new Point(400, 40);
            r2.AutoSize = true;
            r2.BackColor = Color.LightSteelBlue;
            r2.Padding = new Padding(6, 6, 6, 6);
            r2.CheckAlign = ContentAlignment.BottomCenter;
      
            // Adding this label to the form
            this.Controls.Add(r2);
        }
    }
    }

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    Output:



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