How to display Hexadecimal Values in NumericUpDown in C#? - GeeksforGeeks

29 Jul, 2019
In Windows Forms, NumericUpDown control is used to provide a Windows spin box or an up-down control which displays the numeric values. Or in other words, NumericUpDown control provides an interface which moves using up and down arrow and holds some pre-defined numeric value. In NumericUpDown control, you can display values in hexadecimal format in the up-down control using Hexadecimal Property.If the value of this property is set to true, then the up-down control displays the values in hexadecimal format. And if the value of this property is set to false, then the up-down control does not display the values in hexadecimal format. The default value of this property is false. You can set this property in two different ways:
1. Design-Time: It is the easiest way to set the hexadecimal values in the NumericUpDown as shown in the following steps:
Step 1: Create a windows form as shown in the below image:Visual Studio -> File -> New -> Project -> WindowsFormApp
Step 2: Next, drag and drop the NumericUpDown control from the toolbox on the form as shown in the below image:
Step 3: After drag and drop you will go to the properties of the NumericUpDown and set the hexadecimal values in the NumericUpDown as shown in the below image:Output:
Output:
2. Run-Time: It is a little bit trickier than the above method. In this method, you can set in the hexadecimal format in the NumericUpDown control programmatically with the help of given syntax:
public bool Hexadecimal { get; set; }
The value of this property is of System.Boolean type, either true or false. The following steps show how to set the hexadecimal values in the NumericUpDown dynamically:
Step 1: Create a NumericUpDown using the NumericUpDown() constructor is provided by the NumericUpDown class.// Creating a NumericUpDown
NumericUpDown n = new NumericUpDown();

// Creating a NumericUpDown
NumericUpDown n = new NumericUpDown();

Step 2: After creating NumericUpDown, set the Hexadecimal property of the NumericUpDown provided by the NumericUpDown class.// Setting the Hexadecimal values
n.Hexadecimal = true; 

// Setting the Hexadecimal values
n.Hexadecimal = true; 

Step 3: And last add this NumericUpDown control to the form using the following statement:// Adding NumericUpDown control on the form
this.Controls.Add(n);
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 WindowsFormsApp44 {  public partial class Form1 : Form {      public Form1()    {        InitializeComponent();    }      private void Form1_Load(object sender, EventArgs e)    {          // Creating and setting the        // properties of the labels        Label l1 = new Label();        l1.Location = new Point(348, 61);        l1.Size = new Size(215, 25);        l1.Text = "Example";        l1.Font = new Font("Bodoni MT", 16);        this.Controls.Add(l1);          Label l2 = new Label();        l2.Location = new Point(242, 136);        l2.Size = new Size(103, 20);        l2.Text = "Select value:";        l2.Font = new Font("Bodoni MT", 12);        this.Controls.Add(l2);          // Creating and setting the        // properties of NumericUpDown        NumericUpDown n = new NumericUpDown();        n.Location = new Point(386, 130);        n.Size = new Size(126, 26);        n.Font = new Font("Bodoni MT", 12);        n.Value = 18;        n.Minimum = 18;        n.Maximum = 30;        n.Increment = 1;        n.Hexadecimal = true;          // Adding this control        // to the form        this.Controls.Add(n);    }}}Output:
// Adding NumericUpDown control on the form
this.Controls.Add(n);

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 WindowsFormsApp44 {  public partial class Form1 : Form {      public Form1()    {        InitializeComponent();    }      private void Form1_Load(object sender, EventArgs e)    {          // Creating and setting the        // properties of the labels        Label l1 = new Label();        l1.Location = new Point(348, 61);        l1.Size = new Size(215, 25);        l1.Text = "Example";        l1.Font = new Font("Bodoni MT", 16);        this.Controls.Add(l1);          Label l2 = new Label();        l2.Location = new Point(242, 136);        l2.Size = new Size(103, 20);        l2.Text = "Select value:";        l2.Font = new Font("Bodoni MT", 12);        this.Controls.Add(l2);          // Creating and setting the        // properties of NumericUpDown        NumericUpDown n = new NumericUpDown();        n.Location = new Point(386, 130);        n.Size = new Size(126, 26);        n.Font = new Font("Bodoni MT", 12);        n.Value = 18;        n.Minimum = 18;        n.Maximum = 30;        n.Increment = 1;        n.Hexadecimal = true;          // Adding this control        // to the form        this.Controls.Add(n);    }}}
Output:
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