using  System; using  System.Collections.Generic; using  System.Text; using  System.Windows.Forms; using  System.ComponentModel; using  System.Drawing; namespace  CustomControlSample {      public  class FirstControl : Control     { private String _displayText=”Hello World!”; private Color _textColor=Color.Red;    public FirstControl()         {         }          //  ContentAlignment is an enumeration defined in the System.Drawing

         //  namespace that specifies the alignment of content on a drawing 

         //  surface.

         private ContentAlignment alignmentValue = ContentAlignment.MiddleLeft;         [         Category("Alignment"),         Description("Specifies the alignment of text.")         ]          public ContentAlignment TextAlignment         {              get             {                  return alignmentValue;             }              set             {                 alignmentValue = value;                  //  The Invalidate method invokes the OnPaint method described 

                 //  in step 3.

                Invalidate();             }         }  [Browsable( true)]  [DefaultValue(“Hello World”)]   public String DisplayText { get { return _displayText; } set {      _displayText =value;     Invalidate(); } } [Browsable( true)] public Color TextColor { get {      return _textColor; } set {     _textColor=value; Invalidate(); } } public  void ResetTextColor() {     TextColor=Color.Red; } public  bool ShouldSerializeTextColor() { return TextColor!=Color.Red; } protected  override  void OnPaint(PaintEventArgs e)         {              base.OnPaint(e);             StringFormat style =  new StringFormat();             style.Alignment = StringAlignment.Near;              switch (alignmentValue)             {                  case ContentAlignment.MiddleLeft:                     style.Alignment = StringAlignment.Near;                      break;                  case ContentAlignment.MiddleRight:                     style.Alignment = StringAlignment.Far;                      break;                  case ContentAlignment.MiddleCenter:                     style.Alignment = StringAlignment.Center;                      break;             }              //  Call the DrawString method of the System.Drawing class to write   

             //  text. Text and ClientRectangle are properties inherited from

             //  Control.

            e.Graphics.DrawString(                 DisplayText,                 Font,                  new SolidBrush(TextColor),                 ClientRectangle, style);         }     } }