VC++ by David Kruglinski

please use System.Drawing namespace in your project. where you find the Graphics class which will give you all option to Draw anything by using cartesian co-ordinate system. for example.. using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Windows.Forms; using System.Drawing.Drawing2D; using System.Drawing.Imaging; namespace WaveformDemo { public partial class WaveDisplay : UserControl { [DefaultValue(10)] int _XDivision; //Total X Division [DefaultValue(10)] int _YDivision; [DefaultValue(10.0f)]//1 Volt per Division float _voltsPerDivision; [DefaultValue(10.0f)]//1 Sec per Division float _timePerDivision; [Browsable(true),DefaultValue(10)] public int XDivisions { get { return _XDivision; } set { _XDivision = value; } } [Browsable(true), DefaultValue(10)] public int YDivisions { get { return _YDivision; } set { _YDivision = value; } } [Browsable(true),DefaultValue(10.0f)] public float VoltagePerDivision { get { return _voltsPerDivision; } set { _voltsPerDivision = value; } } [Browsable(true), DefaultValue(10.0f)] public float TimePerDivision { get { return _timePerDivision; } set { _timePerDivision = value; } } public override Image BackgroundImage { get { return base.BackgroundImage; } set { base.BackgroundImage = value; } } public override ImageLayout BackgroundImageLayout { get { return base.BackgroundImageLayout; } set { base.BackgroundImageLayout = value; } } public WaveDisplay() { InitializeComponent(

Hey why not using DirectX ,it uses Double buffering algorithm

use primopdf software you can easily download from the net