Csharp/CSharp Tutorial/GUI Windows Forms/MonthCalendar

DataTime BoldedDates

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }
    private void addButton_Click(object sender, EventArgs e)
    {
        System.DateTime[] boldDates = new System.DateTime[monthCalendar.BoldedDates.Length + 1];
        int i =0;
        foreach (DateTime currentDate in monthCalendar.BoldedDates)
        {
            boldDates[i] = currentDate;
            i++;
        }
        boldDates[i] = System.DateTime.Parse(specialDate.Text);
        monthCalendar.BoldedDates = boldDates;
    }
    private void monthCalendar_DateSelected(object sender, DateRangeEventArgs e)
    {
        specialDate.Text = e.Start.ToLongDateString();
    }
}
partial class Form1
{
    private void InitializeComponent()
    {
        System.Windows.Forms.Label label1;
        System.Windows.Forms.Button addButton;
        this.monthCalendar = new System.Windows.Forms.MonthCalendar();
        this.specialDate = new System.Windows.Forms.DateTimePicker();
        label1 = new System.Windows.Forms.Label();
        addButton = new System.Windows.Forms.Button();
        this.SuspendLayout();
        // 
        // label1
        // 
        label1.AutoSize = true;
        label1.Location = new System.Drawing.Point(12, 16);
        label1.Name = "label1";
        label1.Size = new System.Drawing.Size(90, 13);
        label1.TabIndex = 2;
        label1.Text = "Pick a date to add";
        // 
        // addButton
        // 
        addButton.Location = new System.Drawing.Point(289, 9);
        addButton.Name = "addButton";
        addButton.Size = new System.Drawing.Size(75, 23);
        addButton.TabIndex = 3;
        addButton.Text = "Add";
        addButton.Click += new System.EventHandler(this.addButton_Click);
        // 
        // monthCalendar
        // 
        this.monthCalendar.CalendarDimensions = new System.Drawing.Size(3, 3);
        this.monthCalendar.Location = new System.Drawing.Point(18, 74);
        this.monthCalendar.Name = "monthCalendar";
        this.monthCalendar.Size = new System.Drawing.Size(542, 439);
        this.monthCalendar.TabIndex = 0;
        this.monthCalendar.DateSelected += new System.Windows.Forms.DateRangeEventHandler(this.monthCalendar_DateSelected);
        // 
        // specialDate
        // 
        this.specialDate.Location = new System.Drawing.Point(108, 12);
        this.specialDate.Name = "specialDate";
        this.specialDate.Size = new System.Drawing.Size(175, 20);
        this.specialDate.TabIndex = 1;
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(573, 529);
        this.Controls.Add(addButton);
        this.Controls.Add(label1);
        this.Controls.Add(this.specialDate);
        this.Controls.Add(this.monthCalendar);
        this.Name = "Form1";
        this.Text = "Form1";
        this.ResumeLayout(false);
        this.PerformLayout();
    }
    private System.Windows.Forms.MonthCalendar monthCalendar;
    private System.Windows.Forms.DateTimePicker specialDate;
}
public class DataTimePickerBoldedDates
{
    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.Run(new Form1());
    }
}

Get start and end selection on a MonthCalendar

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

public class Form1 : System.Windows.Forms.Form {
    private System.Windows.Forms.MonthCalendar monthCalendar1;
    private System.Windows.Forms.Button button1;
    public Form1() {
        this.monthCalendar1 = new System.Windows.Forms.MonthCalendar();
        this.button1 = new System.Windows.Forms.Button();
        this.SuspendLayout();
        // 
        // monthCalendar1
        // 
        this.monthCalendar1.FirstDayOfWeek = System.Windows.Forms.Day.Thursday;
        this.monthCalendar1.Location = new System.Drawing.Point(16, 16);
        this.monthCalendar1.Name = "monthCalendar1";
        this.monthCalendar1.ShowTodayCircle = false;
        this.monthCalendar1.ShowWeekNumbers = true;
        this.monthCalendar1.TabIndex = 0;
        // 
        // button1
        // 
        this.button1.Location = new System.Drawing.Point(48, 184);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(128, 23);
        this.button1.TabIndex = 1;
        this.button1.Text = "Selection Range";
        this.button1.Click += new System.EventHandler(this.button1_Click_1);
        // 
        // Form1
        // 
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(232, 213);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                      this.button1,
                                                                      this.monthCalendar1});
        this.Text = "Calendar 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) {
        string str = monthCalendar1.Text.ToString();
    }
    private void button1_Click(object sender, System.EventArgs e) {
    }
    private void button1_Click_1(object sender, System.EventArgs e) {
        SelectionRange sr = monthCalendar1.SelectionRange;
        DateTime st = sr.Start;
        DateTime se = sr.End;
        MessageBox.Show("RANGE START = " + st.ToString() + "\nRANGE END = " + se.ToString(), "Range Selection");
    }
}

Put MonthCalendar On a Form

using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class MonthCalendarOnForm : System.Windows.Forms.Form
{
  private System.Windows.Forms.MonthCalendar monthCalendar1;
  private System.ruponentModel.Container components = null;
  public MonthCalendarOnForm()
  {
    InitializeComponent();
  }
  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }
  #region Windows Form Designer generated code
  private void InitializeComponent()
  {
    this.monthCalendar1 = new System.Windows.Forms.MonthCalendar();
    this.SuspendLayout();
    this.monthCalendar1.Location = new System.Drawing.Point(47, 56);
    this.monthCalendar1.Name = "monthCalendar1";
    this.monthCalendar1.TabIndex = 0;
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(292, 266);
    this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                    this.monthCalendar1});
    this.Name = "MonthCalendarOnForm";
    this.Text = "MonthCalendar Control Example";
    this.ResumeLayout(false);
  }
  #endregion
  [STAThread]
  static void Main() 
  {
    Application.Run(new MonthCalendarOnForm());
  }
}