Csharp/C Sharp by API/System.Windows.Forms/DateTimePicker

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DateTimePicker.CalendarFont

<source lang="csharp">

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();
 }    

}

 </source>


DateTimePicker.CalendarForeColor

<source lang="csharp">

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();
 }    

}

 </source>


DateTimePicker.CalendarTitleBackColor

<source lang="csharp">

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();
 }    

}

 </source>


DateTimePicker.CustomFormat

<source lang="csharp">

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; namespace DateTimePicker {

   /// <summary>
   /// Summary description for DateTimePicker1.
   /// </summary>
   public class DateTimePicker1 : System.Windows.Forms.Form
   {
       private System.Windows.Forms.DateTimePicker dateTimePicker1;
       private System.Windows.Forms.DateTimePicker dateTimePicker2;
       private System.Windows.Forms.DateTimePicker dateTimePicker3;
       private System.Windows.Forms.DateTimePicker dateTimePicker4;
       private System.Windows.Forms.DateTimePicker dateTimePicker5;
       private System.Windows.Forms.DateTimePicker dateTimePicker6;
       private System.Windows.Forms.Label label1;
       private System.Windows.Forms.Label label2;
       private System.Windows.Forms.Label label3;
       private System.Windows.Forms.Label label4;
       private System.Windows.Forms.Label label5;
       private System.Windows.Forms.Label label7;
       /// <summary>
       /// Required designer variable.
       /// </summary>
       private System.ruponentModel.Container components = null;
       public DateTimePicker1()
       {
           //
           // Required for Windows Form Designer support
           //
           InitializeComponent();
           //
           // TODO: Add any constructor code after InitializeComponent call
           //
       }
       /// <summary>
       /// Clean up any resources being used.
       /// </summary>
       protected override void Dispose( bool disposing )
       {
           if( disposing )
           {
               if (components != null) 
               {
                   components.Dispose();
               }
           }
           base.Dispose( disposing );
       }
       #region Windows Form Designer generated code
       /// <summary>
       /// Required method for Designer support - do not modify
       /// the contents of this method with the code editor.
       /// </summary>
       private void InitializeComponent()
       {
           this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker();
           this.dateTimePicker2 = new System.Windows.Forms.DateTimePicker();
           this.dateTimePicker3 = new System.Windows.Forms.DateTimePicker();
           this.dateTimePicker4 = new System.Windows.Forms.DateTimePicker();
           this.dateTimePicker5 = new System.Windows.Forms.DateTimePicker();
           this.dateTimePicker6 = new System.Windows.Forms.DateTimePicker();
           this.label1 = new System.Windows.Forms.Label();
           this.label2 = new System.Windows.Forms.Label();
           this.label3 = new System.Windows.Forms.Label();
           this.label4 = new System.Windows.Forms.Label();
           this.label5 = new System.Windows.Forms.Label();
           this.label7 = new System.Windows.Forms.Label();
           this.SuspendLayout();
           // 
           // dateTimePicker1
           // 
           this.dateTimePicker1.CustomFormat = "hh:mm:s : MM/dd/yy";
           this.dateTimePicker1.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
           this.dateTimePicker1.Location = new System.Drawing.Point(16, 16);
           this.dateTimePicker1.Name = "dateTimePicker1";
           this.dateTimePicker1.Size = new System.Drawing.Size(240, 20);
           this.dateTimePicker1.TabIndex = 0;
           // 
           // dateTimePicker2
           // 
           this.dateTimePicker2.CustomFormat = "h/mm/ss : dd.MM.yyyy";
           this.dateTimePicker2.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
           this.dateTimePicker2.Location = new System.Drawing.Point(16, 56);
           this.dateTimePicker2.Name = "dateTimePicker2";
           this.dateTimePicker2.Size = new System.Drawing.Size(240, 20);
           this.dateTimePicker2.TabIndex = 0;
           // 
           // dateTimePicker3
           // 
           this.dateTimePicker3.CustomFormat = "HH-mm-ss : MMMM/dd/yyyy  tt";
           this.dateTimePicker3.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
           this.dateTimePicker3.Location = new System.Drawing.Point(16, 88);
           this.dateTimePicker3.Name = "dateTimePicker3";
           this.dateTimePicker3.Size = new System.Drawing.Size(240, 20);
           this.dateTimePicker3.TabIndex = 0;
           // 
           // dateTimePicker4
           // 
           this.dateTimePicker4.CustomFormat = "tt hh/mm/ss : dddd.MMMM.yyyy";
           this.dateTimePicker4.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
           this.dateTimePicker4.Location = new System.Drawing.Point(16, 200);
           this.dateTimePicker4.Name = "dateTimePicker4";
           this.dateTimePicker4.Size = new System.Drawing.Size(240, 20);
           this.dateTimePicker4.TabIndex = 0;
           // 
           // dateTimePicker5
           // 
           this.dateTimePicker5.CustomFormat = "HH/mm/ss : ddd-MM-yy";
           this.dateTimePicker5.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
           this.dateTimePicker5.Location = new System.Drawing.Point(16, 160);
           this.dateTimePicker5.Name = "dateTimePicker5";
           this.dateTimePicker5.Size = new System.Drawing.Size(240, 20);
           this.dateTimePicker5.TabIndex = 0;
           // 
           // dateTimePicker6
           // 
           this.dateTimePicker6.CustomFormat = "hh/mm/ss : dddd MMMM yyyy tt";
           this.dateTimePicker6.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
           this.dateTimePicker6.Location = new System.Drawing.Point(16, 128);
           this.dateTimePicker6.Name = "dateTimePicker6";
           this.dateTimePicker6.Size = new System.Drawing.Size(240, 20);
           this.dateTimePicker6.TabIndex = 0;
           this.dateTimePicker6.Value = new System.DateTime(2002, 5, 14, 14, 28, 0, 0);
           // 
           // label1
           // 
           this.label1.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
           this.label1.Location = new System.Drawing.Point(264, 16);
           this.label1.Name = "label1";
           this.label1.Size = new System.Drawing.Size(352, 23);
           this.label1.TabIndex = 1;
           this.label1.Text = "Format : hh:mm:ss : MM/dd/yy";
           // 
           // label2
           // 
           this.label2.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
           this.label2.Location = new System.Drawing.Point(264, 56);
           this.label2.Name = "label2";
           this.label2.Size = new System.Drawing.Size(352, 23);
           this.label2.TabIndex = 2;
           this.label2.Text = "Format : h/mm/ss : dd.MM.yyyy";
           // 
           // label3
           // 
           this.label3.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
           this.label3.Location = new System.Drawing.Point(264, 88);
           this.label3.Name = "label3";
           this.label3.Size = new System.Drawing.Size(352, 23);
           this.label3.TabIndex = 3;
           this.label3.Text = "Format : HH-mm-ss : MMMM/dd/yyyy  tt";
           // 
           // label4
           // 
           this.label4.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
           this.label4.Location = new System.Drawing.Point(264, 160);
           this.label4.Name = "label4";
           this.label4.RightToLeft = System.Windows.Forms.RightToLeft.No;
           this.label4.Size = new System.Drawing.Size(352, 23);
           this.label4.TabIndex = 5;
           this.label4.Text = "Format : HH/mm/ss : ddd-MM-yy";
           // 
           // label5
           // 
           this.label5.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
           this.label5.Location = new System.Drawing.Point(264, 128);
           this.label5.Name = "label5";
           this.label5.Size = new System.Drawing.Size(352, 23);
           this.label5.TabIndex = 4;
           this.label5.Text = "Format : hh/mm/ss : dddd MMMM yyyy tt";
           // 
           // label7
           // 
           this.label7.Font = new System.Drawing.Font("Courier New", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
           this.label7.Location = new System.Drawing.Point(264, 200);
           this.label7.Name = "label7";
           this.label7.Size = new System.Drawing.Size(352, 23);
           this.label7.TabIndex = 6;
           this.label7.Text = "Format : tt hh/mm/ss : dddd.MMMM.yyyy";
           // 
           // DateTimePicker1
           // 
           this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
           this.ClientSize = new System.Drawing.Size(632, 245);
           this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                         this.label7,
                                                                         this.label4,
                                                                         this.label5,
                                                                         this.label3,
                                                                         this.label2,
                                                                         this.label1,
                                                                         this.dateTimePicker1,
                                                                         this.dateTimePicker2,
                                                                         this.dateTimePicker3,
                                                                         this.dateTimePicker4,
                                                                         this.dateTimePicker5,
                                                                         this.dateTimePicker6});
           this.Name = "DateTimePicker1";
           this.Text = "DateTime Formats";
           this.Load += new System.EventHandler(this.DateTimePicker1_Load);
           this.ResumeLayout(false);
       }
       #endregion
       /// <summary>
       /// The main entry point for the application.
       /// </summary>
       [STAThread]
       static void Main() 
       {
           Application.Run(new DateTimePicker1());
       }
       private void DateTimePicker1_Load(object sender, System.EventArgs e)
       {
       }
   }

}


 </source>


DateTimePicker.RightToLeft

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; namespace DateTimePicker {

   /// <summary>
   /// Summary description for DateTimePicker2.
   /// </summary>
   public class DateTimePicker2 : System.Windows.Forms.Form
   {
       private System.Windows.Forms.DateTimePicker dateTimePicker1;
       /// <summary>
       /// Required designer variable.
       /// </summary>
       private System.ruponentModel.Container components = null;
       public DateTimePicker2()
       {
           //
           // Required for Windows Form Designer support
           //
           InitializeComponent();
           //
           // TODO: Add any constructor code after InitializeComponent call
           //
       }
       /// <summary>
       /// Clean up any resources being used.
       /// </summary>
       protected override void Dispose( bool disposing )
       {
           if( disposing )
           {
               if(components != null)
               {
                   components.Dispose();
               }
           }
           base.Dispose( disposing );
       }
       #region Windows Form Designer generated code
       /// <summary>
       /// Required method for Designer support - do not modify
       /// the contents of this method with the code editor.
       /// </summary>
       private void InitializeComponent()
       {
        this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker();
        this.SuspendLayout();
        // 
        // dateTimePicker1
        // 
        this.dateTimePicker1.Location = new System.Drawing.Point(8, 16);
        this.dateTimePicker1.Name = "dateTimePicker1";
        this.dateTimePicker1.RightToLeft = System.Windows.Forms.RightToLeft.No;
        this.dateTimePicker1.ShowUpDown = true;
        this.dateTimePicker1.TabIndex = 0;
        // 
        // DateTimePicker2
        // 
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(216, 61);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                     this.dateTimePicker1});
        this.Name = "DateTimePicker2";
        this.Text = "DateTimePicker";
        this.Load += new System.EventHandler(this.DateTimePicker2_Load);
        this.ResumeLayout(false);
     }
       #endregion
       private void DateTimePicker2_Load(object sender, System.EventArgs e)
       {
       
       }
       [STAThread]
       static void Main() 
       {
           Application.Run(new DateTimePicker2());
       }
       
   }

}


 </source>


DateTimePicker.ValueChanged

<source lang="csharp">

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();
 }    

}

 </source>