www.pudn.com > PeakMeterCS.zip > Form1.cs

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Text; 
using System.Windows.Forms; 
 
namespace PeakMeterCS 
{ 
    public partial class PeakMeter : Form 
    { 
        private const int NumLEDS = 15; 
        public PeakMeter() 
        { 
            InitializeComponent(); 
            this.btnShowFalloff.Checked = this.peakMeterCtrl1.FalloffEffect; 
            this.btnShowGrid.Checked = this.peakMeterCtrl1.ShowGrid; 
            this.btnColoredGrid.Checked = this.peakMeterCtrl1.ColoredGrid; 
            this.btnColoredGrid.Enabled = this.btnShowGrid.Checked; 
        } 
 
        private void btnClose_Click(object sender, EventArgs e) 
        { 
            this.Close(); 
        } 
 
        private void btnShowFalloff_CheckedChanged(object sender, EventArgs e) 
        { 
            this.peakMeterCtrl1.FalloffEffect = this.btnShowFalloff.Checked; 
            this.peakMeterCtrl2.FalloffEffect = this.btnShowFalloff.Checked; 
            if (this.btnShowFalloff.Checked) 
            { 
                this.peakMeterCtrl1.Start(1000/20); // 20fps 
            } 
            else 
            { 
                this.peakMeterCtrl1.Stop(); 
            } 
        } 
 
        private void btnShowGrid_CheckedChanged(object sender, EventArgs e) 
        { 
            this.peakMeterCtrl1.ShowGrid = this.btnShowGrid.Checked; 
            this.peakMeterCtrl2.ShowGrid = this.btnShowGrid.Checked; 
            this.btnColoredGrid.Enabled = this.btnShowGrid.Checked; 
        } 
 
        private void btnColoredGrid_CheckedChanged(object sender, EventArgs e) 
        { 
            this.peakMeterCtrl1.ColoredGrid = this.btnColoredGrid.Checked; 
            this.peakMeterCtrl2.ColoredGrid = this.btnColoredGrid.Checked; 
        } 
 
        private void btnSmooth_CheckedChanged(object sender, EventArgs e) 
        { 
            this.peakMeterCtrl1.LEDCount = this.btnSmooth.Checked ? 1 : NumLEDS; 
            this.peakMeterCtrl2.LEDCount = this.btnSmooth.Checked ? 1 : NumLEDS; 
        } 
 
        private void timerGen_Tick(object sender, EventArgs e) 
        { 
            int[] meters1 = new int[NumLEDS]; 
            int[] meters2 = new int[NumLEDS]; 
            Random rand = new Random(); 
            for (int i = 0; i < meters1.Length; i++) 
            { 
                meters1[i] = rand.Next(0, 100); 
                meters2[i] = rand.Next(0, 100); 
            } 
            this.peakMeterCtrl1.SetData(meters1, 0, meters1.Length); 
            this.peakMeterCtrl2.SetData(meters2, 0, meters2.Length); 
        } 
 
    } 
}