Remove selected item from DomainUpDown : DomainUpDown « GUI Windows Forms « C# / CSharp Tutorial






using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

public class Form1 : System.Windows.Forms.Form {
    private System.Windows.Forms.Button button2;
    private System.Windows.Forms.TextBox textBox1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.DomainUpDown UPDOWN_DOMAIN;
    private System.Windows.Forms.Label label1;
    public Form1() {
        this.button2 = new System.Windows.Forms.Button();
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.button1 = new System.Windows.Forms.Button();
        this.UPDOWN_DOMAIN = new System.Windows.Forms.DomainUpDown();
        this.label1 = new System.Windows.Forms.Label();
        this.SuspendLayout();
        // 
        this.button2.Location = new System.Drawing.Point(136, 80);
        this.button2.Name = "button2";
        this.button2.TabIndex = 8;
        this.button2.Text = "Add Item";
        // 
        this.textBox1.Location = new System.Drawing.Point(24, 80);
        this.textBox1.Name = "textBox1";
        this.textBox1.TabIndex = 7;
        this.textBox1.Text = "";
        // 
        this.button1.Location = new System.Drawing.Point(264, 40);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(64, 23);
        this.button1.TabIndex = 6;
        this.button1.Text = "Remove";
        // 
        this.UPDOWN_DOMAIN.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(192)));
        this.UPDOWN_DOMAIN.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
        this.UPDOWN_DOMAIN.ForeColor = System.Drawing.SystemColors.HotTrack;
        this.UPDOWN_DOMAIN.Location = new System.Drawing.Point(24, 40);
        this.UPDOWN_DOMAIN.Name = "UPDOWN_DOMAIN";
        this.UPDOWN_DOMAIN.Size = new System.Drawing.Size(232, 26);
        this.UPDOWN_DOMAIN.Sorted = true;
        this.UPDOWN_DOMAIN.TabIndex = 5;
        this.UPDOWN_DOMAIN.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
        this.UPDOWN_DOMAIN.UpDownAlign = System.Windows.Forms.LeftRightAlignment.Left;
        this.UPDOWN_DOMAIN.Wrap = true;
        // 
        // label1
        // 
        this.label1.Location = new System.Drawing.Point(24, 16);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(136, 23);
        this.label1.TabIndex = 9;
        this.label1.Text = "UpDownDomain Control";
        // 
        // Form1
        // 
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(344, 117);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                      this.label1,
                                                                      this.UPDOWN_DOMAIN,
                                                                      this.button1,
                                                                      this.button2,
                                                                      this.textBox1});
        this.Text = "UpDownDomain Control";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.ResumeLayout(false);

    }
    [STAThread]
    static void Main() {
        Application.Run(new Form1());
    }

    private void Form1_Load(object sender, System.EventArgs e) {
        UPDOWN_DOMAIN.Items.Add("A");
        UPDOWN_DOMAIN.Items.Add("B");
        UPDOWN_DOMAIN.Items.Add("C");
        UPDOWN_DOMAIN.Items.Add("D");
        UPDOWN_DOMAIN.Items.Add("E");
        UPDOWN_DOMAIN.Items.Add("F");
        UPDOWN_DOMAIN.Items.Add("G");
        UPDOWN_DOMAIN.Items.Add("H");
        UPDOWN_DOMAIN.Items.Add("I");
        UPDOWN_DOMAIN.Items.Add("J");
        UPDOWN_DOMAIN.Items.Add("K");
        UPDOWN_DOMAIN.Items.Add("L");
        UPDOWN_DOMAIN.Items.Add("M");
        UPDOWN_DOMAIN.Items.Add("N");
        UPDOWN_DOMAIN.Items.Add("O");
        UPDOWN_DOMAIN.Items.Add("P");

    }

    private void button1_Click(object sender, System.EventArgs e) {
        int nItemSel = UPDOWN_DOMAIN.SelectedIndex;
        if (nItemSel >= 0) {
            UPDOWN_DOMAIN.Items.RemoveAt(nItemSel);
            UPDOWN_DOMAIN.Update();
            UPDOWN_DOMAIN.Text = "";
        }
    }

    private void button2_Click(object sender, System.EventArgs e) {
        if (textBox1.Text == "") {
            MessageBox.Show("Enter a string to add");
            return;
        }
        UPDOWN_DOMAIN.Items.Add(textBox1.Text);
        textBox1.Text = "";
    }
}








23.13.DomainUpDown
23.13.1.Remove selected item from DomainUpDown
23.13.2.DomainUpDown selected value changed eventDomainUpDown selected value changed event
23.13.3.DomainUpDown: selected item changed eventDomainUpDown: selected item changed event
23.13.4.Get value from DomainUpDomainGet value from DomainUpDomain
23.13.5.TextAlign and UpDownAlignTextAlign and UpDownAlign
23.13.6.Subclass DomainUpDown
23.13.7.ColorUpDown