/// <summary>
/// Pass 8: work with the inactivity mode
/// </summary>
private static void TestCase8()
{
Console.WriteLine("###########################################");
Console.WriteLine("## Pass 8: work with the inactivity mode ##");
Console.WriteLine("###########################################");
Blink1 blink1 = new Blink1();
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Writing inactivity mode presets");
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Red)), 0);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 1);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.White)), 2);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 3);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Green)), 4);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 5);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Blue)), 6);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 7);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Magenta)), 8);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 9);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Cyan)), 10);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 11);
Console.WriteLine("Pass 8: Activating the inactivity mode for 10 seconds of inactivity.");
blink1.ActivateInactivityMode(5000);
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine("Pass 8: After the inactivity period, Blink(1) will play its presets.");
Thread.Sleep(15000);
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Deactivating the inactivity.");
blink1.DeactivateInactivityMode();
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
}
/// <summary>
/// Pass 8: work with the inactivity mode
/// </summary>
private static void TestCase8()
{
Console.WriteLine("###########################################");
Console.WriteLine("## Pass 8: work with the inactivity mode ##");
Console.WriteLine("###########################################");
Blink1 blink1 = new Blink1();
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Writing inactivity mode presets");
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Red)), 0);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 1);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.White)), 2);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 3);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Green)), 4);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 5);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Blue)), 6);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 7);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Magenta)), 8);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 9);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Cyan)), 10);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 11);
Console.WriteLine("Pass 8: Activating the inactivity mode for 10 seconds of inactivity.");
blink1.ActivateInactivityMode(5000);
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine("Pass 8: After the inactivity period, Blink(1) will play its presets.");
Thread.Sleep(15000);
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Deactivating the inactivity.");
blink1.DeactivateInactivityMode();
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
}
/// <summary>
/// The main program.
/// </summary>
/// <param name="args">
/// The arguments.
/// </param>
public static void Main(string[] args)
{
Console.WriteLine("####################################################################");
Console.WriteLine("## Pass 1: work on the first Blink(1) device found, synchronously ##");
Console.WriteLine("####################################################################");
// Note, the first past goes so fast, Blink(1) does not have the time to, well, blink.
Blink1 blink1 = new Blink1();
Console.WriteLine("Pass 1: Opening the first Blink(1) found.");
blink1.Open();
int versionNumber = blink1.GetVersion();
Console.WriteLine("Pass 1: Blink(1) device is at version: {0}.", versionNumber.ToString());
Console.WriteLine("Pass 1: Set Blink(1) to be RED.");
blink1.SetColor(255, 0, 0);
Console.WriteLine("Pass 1: Set Blink(1) to fade to BLUE over 10 seconds.");
blink1.FadeToColor(3000, 0, 0, 255, false);
Console.WriteLine("Pass 1: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("####################################################################");
Console.WriteLine("## Pass 2: work on the last Blink(1) device found, asynchronously ##");
Console.WriteLine("####################################################################");
List <string> devicePaths = Blink1Info.GetDevicePath();
blink1 = new Blink1();
Console.WriteLine("Pass 2: Opening the last Blink(1) found via its HID path.");
blink1.Open(devicePaths.Last());
Console.WriteLine("Pass 2: Set Blink(1) to blink 8 times PURPLE.");
blink1.Blink(8, 500, 200, 128, 0, 128);
Console.WriteLine("Pass 2: Set Blink(1) to be RED, using RGB(255, 0, 0).");
blink1.SetColor(new Rgb(255, 0, 0));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be GREEN, using CYMK(100, 0, 100, 0).");
blink1.SetColor(new Cmyk(100, 0, 100, 0));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be BLUE, using HSB(240, 100, 100).");
blink1.SetColor(new Hsb(240, 100, 100));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be YELLOW, using HSL(60, 100, 50).");
blink1.SetColor(new Hsl(60, 100, 50));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be CYAN, using HtmlHexadecimal(\"#00FFFF\").");
blink1.SetColor(new HtmlHexadecimal("#00FFFF"));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be MAGENTA, using HtmlColorName and HtmlHexadecimal.");
blink1.SetColor(new HtmlHexadecimal(HtmlColorName.Magenta));
Thread.Sleep(1000);
Console.WriteLine("Pass 1: Set Blink(1) to be BLACK.");
blink1.SetColor(0, 0, 0);
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to fade to ORANGE over 10 seconds.");
blink1.FadeToColor(10000, 251, 61, 4, true);
Console.WriteLine("Pass 2: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("#########################################");
Console.WriteLine("## Pass 3: reading the current presets ##");
Console.WriteLine("#########################################");
// Note, any dealing with presets is done asynchronously.
blink1 = new Blink1();
Console.WriteLine("Pass 3: Opening the first Blink(1) found.");
blink1.Open();
for (ushort position = 0; position < Blink1Constant.NumberOfPreset; position++)
{
Blink1Preset blink1Preset = blink1.ReadPreset(position);
Console.WriteLine(
"Pass 3: Position:{0}, Millisecond:{1}, Red:{2}, Green:{3}, Blue:{4}", position, blink1Preset.Millisecond, blink1Preset.Rgb.Red, blink1Preset.Rgb.Green, blink1Preset.Rgb.Blue);
}
Console.WriteLine("Pass 3: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("#########################################");
Console.WriteLine("## Pass 4: playing the current presets ##");
Console.WriteLine("#########################################");
blink1 = new Blink1();
Console.WriteLine("Pass 4: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 4: Playing the presets for 20 seconds...");
blink1.PlayPreset(0);
Thread.Sleep(20000);
Console.WriteLine("Pass 4: Stopping playing presets.");
blink1.StopPlayingPreset();
Console.WriteLine("Pass 4: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("#######################################");
Console.WriteLine("## Pass 5: saving new random presets ##");
Console.WriteLine("#######################################");
blink1 = new Blink1();
Console.WriteLine("Pass 5: Opening the first Blink(1) found.");
blink1.Open();
for (ushort position = 0; position < Blink1Constant.NumberOfPreset; position++)
{
Blink1Preset blink1Preset = new Blink1Preset(Convert.ToUInt16(1000 + (position * 10)), GetRandomRgbColor());
Console.WriteLine(
"Pass 5: Position:{0}, Millisecond:{1}, Red:{2}, Green:{3}, Blue:{4}", position, blink1Preset.Millisecond, blink1Preset.Rgb.Red, blink1Preset.Rgb.Green, blink1Preset.Rgb.Blue);
blink1.SavePreset(blink1Preset, position);
}
Console.WriteLine("Pass 5: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("############################################");
Console.WriteLine("## Pass 6: reading the new random presets ##");
Console.WriteLine("############################################");
blink1 = new Blink1();
Console.WriteLine("Pass 6: Opening the first Blink(1) found.");
blink1.Open();
for (ushort position = 0; position < Blink1Constant.NumberOfPreset; position++)
{
Blink1Preset blink1Preset = blink1.ReadPreset(position);
Console.WriteLine(
"Pass 6: Position:{0}, Millisecond:{1}, Red:{2}, Green:{3}, Blue:{4}", position, blink1Preset.Millisecond, blink1Preset.Rgb.Red, blink1Preset.Rgb.Green, blink1Preset.Rgb.Blue);
}
Console.WriteLine("Pass 6: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("############################################");
Console.WriteLine("## Pass 7: playing the new random presets ##");
Console.WriteLine("############################################");
blink1 = new Blink1();
Console.WriteLine("Pass 7: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 7: Playing the presets for 20 seconds...");
blink1.PlayPreset(0);
Thread.Sleep(20000);
Console.WriteLine("Pass 7: Stopping playing presets.");
blink1.StopPlayingPreset();
Console.WriteLine("Pass 7: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("###########################################");
Console.WriteLine("## Pass 8: work with the inactivity mode ##");
Console.WriteLine("###########################################");
blink1 = new Blink1();
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Writing inactivity mode presets");
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Red)), 0);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 1);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.White)), 2);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 3);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Green)), 4);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 5);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Blue)), 6);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 7);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Magenta)), 8);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 9);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Cyan)), 10);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 11);
Console.WriteLine("Pass 8: Activating the inactivity mode for 10 seconds of inactivity.");
blink1.ActivateInactivityMode(5000);
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine("Pass 8: After the inactivity period, Blink(1) will play its presets.");
Thread.Sleep(15000);
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Deactivating the inactivity.");
blink1.DeactivateInactivityMode();
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("We're done with the demo, press any key to stop the program.");
Console.ReadKey();
}
/// <summary>
/// The main program.
/// </summary>
/// <param name="args">
/// The arguments.
/// </param>
public static void Main(string[] args)
{
Console.WriteLine("####################################################################");
Console.WriteLine("## Pass 1: work on the first Blink(1) device found, synchronously ##");
Console.WriteLine("####################################################################");
// Note, the first past goes so fast, Blink(1) does not have the time to, well, blink.
Blink1 blink1 = new Blink1();
Console.WriteLine("Pass 1: Opening the first Blink(1) found.");
blink1.Open();
int versionNumber = blink1.GetVersion();
Console.WriteLine("Pass 1: Blink(1) device is at version: {0}.", versionNumber.ToString());
Console.WriteLine("Pass 1: Set Blink(1) to be RED.");
blink1.SetColor(255, 0, 0);
Console.WriteLine("Pass 1: Set Blink(1) to fade to BLUE over 10 seconds.");
blink1.FadeToColor(3000, 0, 0, 255, false);
Console.WriteLine("Pass 1: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("####################################################################");
Console.WriteLine("## Pass 2: work on the last Blink(1) device found, asynchronously ##");
Console.WriteLine("####################################################################");
List<string> devicePaths = Blink1Info.GetDevicePath();
blink1 = new Blink1();
Console.WriteLine("Pass 2: Opening the last Blink(1) found via its HID path.");
blink1.Open(devicePaths.Last());
Console.WriteLine("Pass 2: Set Blink(1) to blink 8 times PURPLE.");
blink1.Blink(8, 500, 200, 128, 0, 128);
Console.WriteLine("Pass 2: Set Blink(1) to be RED, using RGB(255, 0, 0).");
blink1.SetColor(new Rgb(255, 0, 0));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be GREEN, using CYMK(100, 0, 100, 0).");
blink1.SetColor(new Cmyk(100, 0, 100, 0));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be BLUE, using HSB(240, 100, 100).");
blink1.SetColor(new Hsb(240, 100, 100));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be YELLOW, using HSL(60, 100, 50).");
blink1.SetColor(new Hsl(60, 100, 50));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be CYAN, using HtmlHexadecimal(\"#00FFFF\").");
blink1.SetColor(new HtmlHexadecimal("#00FFFF"));
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to be MAGENTA, using HtmlColorName and HtmlHexadecimal.");
blink1.SetColor(new HtmlHexadecimal(HtmlColorName.Magenta));
Thread.Sleep(1000);
Console.WriteLine("Pass 1: Set Blink(1) to be BLACK.");
blink1.SetColor(0, 0, 0);
Thread.Sleep(1000);
Console.WriteLine("Pass 2: Set Blink(1) to fade to ORANGE over 10 seconds.");
blink1.FadeToColor(10000, 251, 61, 4, true);
Console.WriteLine("Pass 2: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("#########################################");
Console.WriteLine("## Pass 3: reading the current presets ##");
Console.WriteLine("#########################################");
// Note, any dealing with presets is done asynchronously.
blink1 = new Blink1();
Console.WriteLine("Pass 3: Opening the first Blink(1) found.");
blink1.Open();
for (ushort position = 0; position < Blink1Constant.NumberOfPreset; position++)
{
Blink1Preset blink1Preset = blink1.ReadPreset(position);
Console.WriteLine(
"Pass 3: Position:{0}, Millisecond:{1}, Red:{2}, Green:{3}, Blue:{4}", position, blink1Preset.Millisecond, blink1Preset.Rgb.Red, blink1Preset.Rgb.Green, blink1Preset.Rgb.Blue);
}
Console.WriteLine("Pass 3: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("#########################################");
Console.WriteLine("## Pass 4: playing the current presets ##");
Console.WriteLine("#########################################");
blink1 = new Blink1();
Console.WriteLine("Pass 4: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 4: Playing the presets for 20 seconds...");
blink1.PlayPreset(0);
Thread.Sleep(20000);
Console.WriteLine("Pass 4: Stopping playing presets.");
blink1.StopPlayingPreset();
Console.WriteLine("Pass 4: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("#######################################");
Console.WriteLine("## Pass 5: saving new random presets ##");
Console.WriteLine("#######################################");
blink1 = new Blink1();
Console.WriteLine("Pass 5: Opening the first Blink(1) found.");
blink1.Open();
for (ushort position = 0; position < Blink1Constant.NumberOfPreset; position++)
{
Blink1Preset blink1Preset = new Blink1Preset(Convert.ToUInt16(1000 + (position * 10)), GetRandomRgbColor());
Console.WriteLine(
"Pass 5: Position:{0}, Millisecond:{1}, Red:{2}, Green:{3}, Blue:{4}", position, blink1Preset.Millisecond, blink1Preset.Rgb.Red, blink1Preset.Rgb.Green, blink1Preset.Rgb.Blue);
blink1.SavePreset(blink1Preset, position);
}
Console.WriteLine("Pass 5: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("############################################");
Console.WriteLine("## Pass 6: reading the new random presets ##");
Console.WriteLine("############################################");
blink1 = new Blink1();
Console.WriteLine("Pass 6: Opening the first Blink(1) found.");
blink1.Open();
for (ushort position = 0; position < Blink1Constant.NumberOfPreset; position++)
{
Blink1Preset blink1Preset = blink1.ReadPreset(position);
Console.WriteLine(
"Pass 6: Position:{0}, Millisecond:{1}, Red:{2}, Green:{3}, Blue:{4}", position, blink1Preset.Millisecond, blink1Preset.Rgb.Red, blink1Preset.Rgb.Green, blink1Preset.Rgb.Blue);
}
Console.WriteLine("Pass 6: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("############################################");
Console.WriteLine("## Pass 7: playing the new random presets ##");
Console.WriteLine("############################################");
blink1 = new Blink1();
Console.WriteLine("Pass 7: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 7: Playing the presets for 20 seconds...");
blink1.PlayPreset(0);
Thread.Sleep(20000);
Console.WriteLine("Pass 7: Stopping playing presets.");
blink1.StopPlayingPreset();
Console.WriteLine("Pass 7: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("###########################################");
Console.WriteLine("## Pass 8: work with the inactivity mode ##");
Console.WriteLine("###########################################");
blink1 = new Blink1();
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Writing inactivity mode presets");
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Red)), 0);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 1);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.White)), 2);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 3);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Green)), 4);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 5);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Blue)), 6);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 7);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Magenta)), 8);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 9);
blink1.SavePreset(new Blink1Preset(500, new HtmlHexadecimal(HtmlColorName.Cyan)), 10);
blink1.SavePreset(new Blink1Preset(250, new HtmlHexadecimal(HtmlColorName.Black)), 11);
Console.WriteLine("Pass 8: Activating the inactivity mode for 10 seconds of inactivity.");
blink1.ActivateInactivityMode(5000);
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine("Pass 8: After the inactivity period, Blink(1) will play its presets.");
Thread.Sleep(15000);
Console.WriteLine("Pass 8: Opening the first Blink(1) found.");
blink1.Open();
Console.WriteLine("Pass 8: Deactivating the inactivity.");
blink1.DeactivateInactivityMode();
Console.WriteLine("Pass 8: Closing Blink(1) connection.");
blink1.Close();
Console.WriteLine(Environment.NewLine);
Console.WriteLine("We're done with the demo, press any key to stop the program.");
Console.ReadKey();
}