array

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace WindowsFormsApplication4

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            int[] a = new int[5];

            a[0] = 1;

            a[1] = 2;

            a[2] = 3;

            a[3] = 4;

            a[4] = 5;

           

            for (int i = 0; i < 5; i++)

            {

                listBox1.Items.Add(a[i]);

            }

        }

        private void button2_Click(object sender, EventArgs e)

        {

            int[,] b = new int[2, 3];

            b[0,0] = 1;

            b[0,1] = 2;

            b[0,2] = 3;

            b[1,0] = 4;

            b[1,1] = 5;

            b[1,2] = 6;

            for (int i = 0; i < 2; i++)

            {

                for (int j = 0; j < 3; j++)

                {

                    listBox2.Items.Add(b[i, j]);

                }

            }

        }

    }

}

C# Enable and Disable

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace WindowsFormsApplication3

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            label1.Enabled = true;

        }

        private void button2_Click(object sender, EventArgs e)

        {

            label1.Enabled = false;

        }

    }

}

http://reionnote.wordpress.com/belajar-c-kode/belajar-c-sharp-enable-disable/

Visible

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace sembunyiTidak

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            label1.Visible = true;

        }

        private void button2_Click(object sender, EventArgs e)

        {

            label1.Visible = false;

        }

    }

}

hScrollBar C#

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace scroll

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void hScrollBar1_Scroll(object sender, ScrollEventArgs e)

        {

            textBox1.Text = hScrollBar1.Value.ToString();

           

        }

        private void Form1_Load(object sender, EventArgs e)

        {

           

            hScrollBar1.Maximum = 100;

            hScrollBar1.Value = 0;

            hScrollBar1.Minimum = 0;

          hScrollBar1.ValueChanged += new EventHandler(hScrollBar1_ValueChanged);

        }

        void hScrollBar1_ValueChanged(object sender, EventArgs e)

        {

            textBox2.Location = new Point(hScrollBar1.Value,64);

            //throw new NotImplementedException();

        }

    }

}

pembulatan2angkaBlakangKoma

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace pembulatan2angkaBlakangKoma

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            double a, b;

            a = Convert.ToDouble(textBox1.Text);

            b = Math.Round(a, 2);

            textBox2.Text = Convert.ToString(b);

        }

    }

}

masalah == kerikil di jalan

C# Environment.NewLine

inget ganti namespace na ya.. .(back to reionnote)

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace membuatLineBaru

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            label1.Text = "ini adalah sebuah contoh program" + Environment.NewLine + " yg menjelaskan perlunya membuat line baru " + Environment.NewLine + "sehingga apa yang kita tulis " + Environment.NewLine + "tidak menghabiskan banyak tempat " + Environment.NewLine + "dan membuat bingung kita sendiri";

        }

    }

}