How to set the Visibility of the FlowLayoutPanel in C#?

In Windows Forms, FlowLayoutPanel control is used to arrange its child controls in a horizontal or vertical flow direction. Or in other words, FlowLayoutPanel is a container which is used to organize different or same types of controls in it either horizontally or vertically. In FlowLayoutPanel control, you can set the visibility of the control and its child control in the form using Visible Property.
If the value of this property is set to true, then the FlowLayoutPanel control display on the screen. And if the value of this property is set to false, then the FlowLayoutPanel control does not display on the screen. The default value of this property is true. You can set this property in two different ways:

1. Design-Time: It is the easiest way to set the visibility of the FlowLayoutPanel 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 FlowLayoutPanel control from the toolbox to the form as shown in the below image:

  • Step 3: After drag and drop you will go to the properties of the FlowLayoutPanel and set the visibility of the FlowLayoutPanel.

    Output:

2. Run-Time: It is a little bit trickier than the above method. In this method, you can set the visibility of the FlowLayoutPanel control and its child controls programmatically with the help of given syntax:

public bool Visible { get; set; }

The value of this property is of System.Boolean type, either true or false. The default value of this property is false. The following steps show how to set the visibility of the FlowLayoutPanel dynamically:

  • Step 1: Create a FlowLayoutPanel using the FlowLayoutPanel() constructor is provided by the FlowLayoutPanel class.
    // Creating a FlowLayoutPanel
    FlowLayoutPanel f = new FlowLayoutPanel();
    
  • Step 2: After creating FlowLayoutPanel, set the Visible property of the FlowLayoutPanel provided by the FlowLayoutPanel class.
    // Setting the visibility
    f.Visible = true;
    
  • Step 3: And last add this FlowLayoutPanel control to the form and also adding child controls in the FlowLayoutPanel using the following statements:
    // Adding a FlowLayoutPanel
    // control to the form
    this.Controls.Add(f);
    
    and 
    
    // Adding child controls to
    // the FlowLayoutPanel
    f.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 WindowsFormsApp50 {
  
public partial class Form1 : Form {
  
    public Form1()
    {
        InitializeComponent();
    }
  
    private void Form1_Load(object sender, EventArgs e)
    {
  
        // Creating and setting the
        // properties of FlowLayoutPanel
        FlowLayoutPanel f = new FlowLayoutPanel();
        f.Location = new Point(380, 124);
        f.Size = new Size(216, 57);
        f.Name = "Mycontainer";
        f.Font = new Font("Calibri", 12);
        f.FlowDirection = FlowDirection.RightToLeft;
        f.BorderStyle = BorderStyle.Fixed3D;
        f.ForeColor = Color.BlueViolet;
        f.Visible = true;
  
        // Adding this control to the form
        this.Controls.Add(f);
  
        // Creating and setting the 
        // properties of radio buttons
        RadioButton r1 = new RadioButton();
        r1.Location = new Point(3, 3);
        r1.Size = new Size(95, 20);
        r1.Text = "R1";
  
        // Adding this control 
        // to the FlowLayoutPanel
        f.Controls.Add(r1);
  
        RadioButton r2 = new RadioButton();
        r2.Location = new Point(94, 3);
        r2.Size = new Size(95, 20);
        r2.Text = "R2";
  
        // Adding this control to 
        // the FlowLayoutPanel
        f.Controls.Add(r2);
  
        RadioButton r3 = new RadioButton();
        r3.Location = new Point(3, 26);
        r3.Size = new Size(95, 20);
        r3.Text = "R3";
  
        // Adding this control to 
        // the FlowLayoutPanel
        f.Controls.Add(r3);
    }
}
}

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Output:



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