C#

Class SomeClassName{

   public object RangeProperty{get; set; }

   public SomeClassName( object range ){

      RangeProperty = range;

   }

   public DataTable SearchForDatabaseEntries(){

      if( RangeProperty is Range<DateTime> ){
         // Range can be used to search for entries with DateTime info ( for example: CreationTime )
      }
      else if( RangeProperty is Range<ULong> ){
         // Range can be used to search for entries with Numeric info ( for example: SerialNumber )
      }
    
      ...
   }

}

Mark Churchill wrote:

If you are dealing with DataTables then you are dealing with objects, casting and constant invalidcastexceptions anyway, so I wouldnt worry too much [Wink]

ahmedo047 wrote:

how can I write a double pointer like FILE **

Luc Pattyn [Forum Guidelines] [My Articles]

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public partial class UserControl1 : UserControl
    {
        private string _caption;

        public string Caption
        {
            get { return _caption; }
            set { _caption = value; }
        }
        public UserControl1()
        {
            InitializeComponent();
            this.Height = 20;
            this.Width = 100;
            this.BackColor = Color.White;
        }

        protected override void OnPaint(PaintEventArgs e)
        {            
            e.Graphics.DrawString(this.Caption, new Font("tahoma", 8), Brushes.Black, 0, 4);
            base.OnPaint(e);
        }
    }

public string Caption
        {
            get { return _caption; }
            set 
            { 
                _caption = value;
                this.Invalidate();                
            }
        }