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How to set the visibility of the CheckBox in C#?

  • Last Updated : 25 Jun, 2019

The CheckBox control is the part of windows form which is used to take input from the user. Or in other words, CheckBox control allows us to select single or multiple elements from the given list. In CheckBox, you are allowed to set a value which represents the CheckBox and its CheckBox controls are displayed by using the Visible Property of the CheckBox.
If you want to display the given CheckBox and its child controls, then set the value of Visible property to true, otherwise set false. The default value of this property is true. In Windows form, you can set this property in two different ways:

1. Design-Time: It is the simplest way to set the Visible property of a CheckBox using 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 CheckBox control from the ToolBox and drop it on the windows form. You can place CheckBox anywhere on the windows form according to your need.
  • Step 3: After drag and drop you will go to the properties of the CheckBox control to set the visibility of the CheckBox by using Visible property.

    Output:

Note: If the value of Visible property is true, sometimes the control may not be visible because they are hidden behind other controls.

2. Run-Time: It is a little bit trickier than the above method. In this method, you can set the Visible property of a CheckBox using the following syntax:

public bool Visible { get; set; }

Here, the value type of this property is System.Boolean. Following steps are used to set the Visible property of the CheckBox:

  • Step 1: Create a checkbox using the CheckBox() constructor provided by the CheckBox class.
    // Creating checkbox
    CheckBox Mycheckbox = new CheckBox();
    
  • Step 2: After creating CheckBox, set the Visible property of the CheckBox provided by the CheckBox class.
    // Set the Visible property of the CheckBox
    Mycheckbox.Visible = true;
    
  • Step 3 : And last add this checkbox control to form using Add() method.
    // Add this checkbox to form
    this.Controls.Add(Mycheckbox);
    

    Example:




    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 WindowsFormsApp5 {
      
    public partial class Form1 : Form {
      
        public Form1()
        {
            InitializeComponent();
        }
      
        private void Form1_Load(object sender, EventArgs e)
        {
      
            // Creating and setting the properties of label
            Label l = new Label();
            l.Text = "Select Gender:";
            l.Location = new Point(233, 111);
      
            // Adding lable to form
            this.Controls.Add(l);
      
            // Creating and setting the properties of CheckBox
            CheckBox Mycheckbox = new CheckBox();
            Mycheckbox.Height = 50;
            Mycheckbox.Width = 100;
            Mycheckbox.Location = new Point(229, 136);
            Mycheckbox.Text = "Male";
            Mycheckbox.Visible = true;
      
            // Adding checkbox to form
            this.Controls.Add(Mycheckbox);
      
            // Creating and setting the properties of CheckBox
            // This CheckBox is not displayed in the output because
            // the visibility of this CheckBox is set to be false
      
            CheckBox Mycheckbox1 = new CheckBox();
            Mycheckbox1.Height = 50;
            Mycheckbox1.Width = 100;
            Mycheckbox1.Location = new Point(230, 174);
            Mycheckbox1.Text = "Female";
            Mycheckbox1.Visible = false;
      
            // Adding checkbox to form
            this.Controls.Add(Mycheckbox1);
        }
    }
    }

    Output:




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