// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace WindowsFormsApp1;
 
[DesignerCategory("Default")]
public partial class FormBorderStyles : Form
{
    public FormBorderStyles()
    {
        InitializeComponent();
        ShowCurrentBorderStyle();
    }
 
    private void ShowCurrentBorderStyle()
    {
        lblFormBorderStyle.Text = $"Current border style: {FormBorderStyle}";
    }
 
    private void btnChangeFormBorderStyle_Click(object sender, EventArgs e)
    {
        int currentBorderStyle = (int)FormBorderStyle;
        currentBorderStyle++;
        if (currentBorderStyle > (int)FormBorderStyle.SizableToolWindow)
        {
            currentBorderStyle = 0;
        }
 
        FormBorderStyle = (FormBorderStyle)currentBorderStyle;
        ShowCurrentBorderStyle();
    }
}