DateTimePicker.ValueChanged : DateTimePicker « System.Windows.Forms « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Windows.Forms
3. DateTimePicker

DateTimePicker.ValueChanged

 


using System;
using System.Drawing;
using System.Windows.Forms;

public class DTPicker : Form
{
  DateTimePicker dtp;    

  public DTPicker()
  {
    Size = new Size(400,300);
    this.Load += new EventHandler(this_Load);

    dtp = new DateTimePicker();
    dtp.Parent = this;
    dtp.Location = new Point(20,20);
    dtp.Size = new Size(ClientSize.Width - 40, dtp.PreferredHeight);
    dtp.Anchor = AnchorStyles.Top | AnchorStyles.Left | 
          AnchorStyles.Right;
    Font fnt = new Font("Times New Roman", 16);
    dtp.CalendarFont = new Font(fnt, 
                  FontStyle.Bold | FontStyle.Italic);
    dtp.CalendarForeColor = Color.Red;
    dtp.CalendarMonthBackground = Color.Yellow;
    dtp.CalendarTitleBackColor = Color.Lime;
    dtp.CalendarTitleForeColor = Color.Blue;
    dtp.CalendarTrailingForeColor = Color.FromArgb(255,192,192);
    dtp.CustomFormat = "dddd,MMMM d, yyyy 'at' h:mm:ss tt";
    dtp.Format = DateTimePickerFormat.Custom;
    dtp.DropDownAlign = LeftRightAlignment.Right;
    dtp.ShowUpDown = false;    // default
    dtp.ValueChanged += new EventHandler(dtp_ValueChanged);
  }

  static void Main() 
  {
    Application.Run(new DTPicker());
  }

  private void UpdateLabels()
  {
    Console.WriteLine( dtp.Value.ToString() );
    Console.WriteLine( dtp.Value.ToLongDateString() );
    Console.WriteLine( dtp.Value.ToLongTimeString() );
    Console.WriteLine( dtp.Value.ToShortDateString() );
    Console.WriteLine( dtp.Value.ToShortTimeString() );
  }

  private void this_Load(object sender, EventArgs e)
  {
    UpdateLabels();
  }

  private void dtp_ValueChanged(object sender, EventArgs e)
  {
    UpdateLabels();
  }    

  private void txtCustomString_TextChanged(object sender, EventArgs e)
  {
    UpdateLabels();
  }    
}

   
  

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