Windows form rounded corners

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        [DllImport("Gdi32.dll", EntryPoint = "CreateRoundRectRgn")]
        private static extern IntPtr CreateRoundRectRgn
        (
            int nLeftRect,     // x-coordinate of upper-left corner
            int nTopRect,      // y-coordinate of upper-left corner
            int nRightRect,    // x-coordinate of lower-right corner
            int nBottomRect,   // y-coordinate of lower-right corner
            int nWidthEllipse, // width of ellipse
            int nHeightEllipse // height of ellipse
        );

        public Form1()
        {
            InitializeComponent();
            this.FormBorderStyle = FormBorderStyle.None;
            Region = System.Drawing.Region.FromHrgn(CreateRoundRectRgn(0, 0, Width, Height, 20, 20));
        }
    }
}

Source: stackoverflow.com

Similar codes

0 vote187 views1 answer
Custom validator js
C#
5 votes182 views2 answers
Enum loop
C#
0 vote181 views1 answer
How to start a timer in c# forms application
C#
2 votes170 views1 answer
Headless chromedriver C#
C#
0 vote191 views1 answer
Cant see my classes in inspector
C#
0 vote194 views1 answer
How to skip bin/Debug/netcoreapp3.1/ on the reltaive path
C#
3 votes257 views1 answer
Unity transformer double en float
C#
0 vote178 views2 answers
C# stringbuilder to file
C#
0 vote174 views1 answer
How to store some variables on the device in unity
C#
0 vote187 views1 answer
C# array to label
C#