// Copyright 2012 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Analyst3D;
using ESRI.ArcGIS.GlobeCore;
using System;
using System.Windows.Forms;
using System.Security.Permissions;
using ESRI.ArcGIS;


namespace GlobeCntrlAnimation
{
  public class Form1 : System.Windows.Forms.Form
  {
    public System.Windows.Forms.Label lblStatus;
    public System.Windows.Forms.GroupBox FrmAnim;
    public System.Windows.Forms.Button CmdPlay;
    public System.Windows.Forms.TextBox txtDuration;
    public System.Windows.Forms.TextBox TxtFrequency;
    public System.Windows.Forms.RadioButton OptDuration;
    public System.Windows.Forms.RadioButton OptIteration;
    public System.Windows.Forms.Button CmdLoad;
    public System.Windows.Forms.Label Label1;
    private System.Windows.Forms.OpenFileDialog openFileDialog1;
    private System.ComponentModel.Container components = null;
    private ESRI.ArcGIS.Controls.AxToolbarControl axToolbarControl1;
    private ESRI.ArcGIS.Controls.AxTOCControl axTOCControl1;
    private ESRI.ArcGIS.Controls.AxGlobeControl axGlobeControl1;
    private ESRI.ArcGIS.Controls.AxLicenseControl axLicenseControl1;
    private string m_AnimFilePath;

    public Form1()
    {
      InitializeComponent();
    }


    protected override void Dispose( bool disposing )
    {
            //Release COM objects
            ESRI.ArcGIS.ADF.COMSupport.AOUninitialize.Shutdown();
      if( disposing )
      {
        if (components != null) 
        {
          components.Dispose();
        }
      }
      base.Dispose( disposing );
    }

    #region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
      System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
      this.lblStatus = new System.Windows.Forms.Label();
      this.FrmAnim = new System.Windows.Forms.GroupBox();
      this.CmdPlay = new System.Windows.Forms.Button();
      this.txtDuration = new System.Windows.Forms.TextBox();
      this.TxtFrequency = new System.Windows.Forms.TextBox();
      this.OptDuration = new System.Windows.Forms.RadioButton();
      this.OptIteration = new System.Windows.Forms.RadioButton();
      this.CmdLoad = new System.Windows.Forms.Button();
      this.Label1 = new System.Windows.Forms.Label();
      this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
      this.axToolbarControl1 = new ESRI.ArcGIS.Controls.AxToolbarControl();
      this.axTOCControl1 = new ESRI.ArcGIS.Controls.AxTOCControl();
      this.axGlobeControl1 = new ESRI.ArcGIS.Controls.AxGlobeControl();
      this.axLicenseControl1 = new ESRI.ArcGIS.Controls.AxLicenseControl();
      this.FrmAnim.SuspendLayout();
      ((System.ComponentModel.ISupportInitialize)(this.axToolbarControl1)).BeginInit();
      ((System.ComponentModel.ISupportInitialize)(this.axTOCControl1)).BeginInit();
      ((System.ComponentModel.ISupportInitialize)(this.axGlobeControl1)).BeginInit();
      ((System.ComponentModel.ISupportInitialize)(this.axLicenseControl1)).BeginInit();
      this.SuspendLayout();
      // 
      // lblStatus
      // 
      this.lblStatus.BackColor = System.Drawing.SystemColors.Control;
      this.lblStatus.Cursor = System.Windows.Forms.Cursors.Default;
      this.lblStatus.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.lblStatus.ForeColor = System.Drawing.SystemColors.ControlText;
      this.lblStatus.Location = new System.Drawing.Point(8, 376);
      this.lblStatus.Name = "lblStatus";
      this.lblStatus.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.lblStatus.Size = new System.Drawing.Size(129, 54);
      this.lblStatus.TabIndex = 13;
      // 
      // FrmAnim
      // 
      this.FrmAnim.BackColor = System.Drawing.SystemColors.Control;
      this.FrmAnim.Controls.Add(this.CmdPlay);
      this.FrmAnim.Controls.Add(this.txtDuration);
      this.FrmAnim.Controls.Add(this.TxtFrequency);
      this.FrmAnim.Controls.Add(this.OptDuration);
      this.FrmAnim.Controls.Add(this.OptIteration);
      this.FrmAnim.Controls.Add(this.CmdLoad);
      this.FrmAnim.Controls.Add(this.Label1);
      this.FrmAnim.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.FrmAnim.ForeColor = System.Drawing.SystemColors.ControlText;
      this.FrmAnim.Location = new System.Drawing.Point(144, 376);
      this.FrmAnim.Name = "FrmAnim";
      this.FrmAnim.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.FrmAnim.Size = new System.Drawing.Size(461, 55);
      this.FrmAnim.TabIndex = 12;
      this.FrmAnim.TabStop = false;
      // 
      // CmdPlay
      // 
      this.CmdPlay.BackColor = System.Drawing.SystemColors.Control;
      this.CmdPlay.Cursor = System.Windows.Forms.Cursors.Default;
      this.CmdPlay.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.CmdPlay.ForeColor = System.Drawing.SystemColors.ControlText;
      this.CmdPlay.Location = new System.Drawing.Point(266, 10);
      this.CmdPlay.Name = "CmdPlay";
      this.CmdPlay.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.CmdPlay.Size = new System.Drawing.Size(81, 38);
      this.CmdPlay.TabIndex = 9;
      this.CmdPlay.Text = "Play Animation";
      this.CmdPlay.Click += new System.EventHandler(this.CmdPlay_Click);
      // 
      // txtDuration
      // 
      this.txtDuration.AcceptsReturn = true;
      this.txtDuration.AutoSize = false;
      this.txtDuration.BackColor = System.Drawing.SystemColors.Window;
      this.txtDuration.Cursor = System.Windows.Forms.Cursors.IBeam;
      this.txtDuration.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.txtDuration.ForeColor = System.Drawing.SystemColors.WindowText;
      this.txtDuration.Location = new System.Drawing.Point(220, 13);
      this.txtDuration.MaxLength = 0;
      this.txtDuration.Name = "txtDuration";
      this.txtDuration.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.txtDuration.Size = new System.Drawing.Size(40, 19);
      this.txtDuration.TabIndex = 8;
      this.txtDuration.Text = "10";
      // 
      // TxtFrequency
      // 
      this.TxtFrequency.AcceptsReturn = true;
      this.TxtFrequency.AutoSize = false;
      this.TxtFrequency.BackColor = System.Drawing.SystemColors.Window;
      this.TxtFrequency.Cursor = System.Windows.Forms.Cursors.IBeam;
      this.TxtFrequency.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.TxtFrequency.ForeColor = System.Drawing.SystemColors.WindowText;
      this.TxtFrequency.Location = new System.Drawing.Point(400, 13);
      this.TxtFrequency.MaxLength = 0;
      this.TxtFrequency.Name = "TxtFrequency";
      this.TxtFrequency.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.TxtFrequency.Size = new System.Drawing.Size(40, 19);
      this.TxtFrequency.TabIndex = 7;
      this.TxtFrequency.Text = "2";
      // 
      // OptDuration
      // 
      this.OptDuration.BackColor = System.Drawing.SystemColors.Control;
      this.OptDuration.Checked = true;
      this.OptDuration.Cursor = System.Windows.Forms.Cursors.Default;
      this.OptDuration.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.OptDuration.ForeColor = System.Drawing.SystemColors.ControlText;
      this.OptDuration.Location = new System.Drawing.Point(122, 8);
      this.OptDuration.Name = "OptDuration";
      this.OptDuration.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.OptDuration.Size = new System.Drawing.Size(98, 17);
      this.OptDuration.TabIndex = 6;
      this.OptDuration.TabStop = true;
      this.OptDuration.Text = "Duration (secs)";
      this.OptDuration.CheckedChanged += new System.EventHandler(this.OptDuration_CheckedChanged);
      // 
      // OptIteration
      // 
      this.OptIteration.BackColor = System.Drawing.SystemColors.Control;
      this.OptIteration.Cursor = System.Windows.Forms.Cursors.Default;
      this.OptIteration.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.OptIteration.ForeColor = System.Drawing.SystemColors.ControlText;
      this.OptIteration.Location = new System.Drawing.Point(122, 22);
      this.OptIteration.Name = "OptIteration";
      this.OptIteration.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.OptIteration.Size = new System.Drawing.Size(94, 19);
      this.OptIteration.TabIndex = 5;
      this.OptIteration.TabStop = true;
      this.OptIteration.Text = "No. Iterations";
      this.OptIteration.CheckedChanged += new System.EventHandler(this.OptIteration_CheckedChanged);
      // 
      // CmdLoad
      // 
      this.CmdLoad.BackColor = System.Drawing.SystemColors.Control;
      this.CmdLoad.Cursor = System.Windows.Forms.Cursors.Default;
      this.CmdLoad.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.CmdLoad.ForeColor = System.Drawing.SystemColors.ControlText;
      this.CmdLoad.Location = new System.Drawing.Point(9, 10);
      this.CmdLoad.Name = "CmdLoad";
      this.CmdLoad.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.CmdLoad.Size = new System.Drawing.Size(94, 38);
      this.CmdLoad.TabIndex = 4;
      this.CmdLoad.Text = "Load Animation  File (*.aga)";
      this.CmdLoad.Click += new System.EventHandler(this.CmdLoad_Click);
      // 
      // Label1
      // 
      this.Label1.BackColor = System.Drawing.SystemColors.Control;
      this.Label1.Cursor = System.Windows.Forms.Cursors.Default;
      this.Label1.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
      this.Label1.ForeColor = System.Drawing.SystemColors.ControlText;
      this.Label1.Location = new System.Drawing.Point(354, 14);
      this.Label1.Name = "Label1";
      this.Label1.RightToLeft = System.Windows.Forms.RightToLeft.No;
      this.Label1.Size = new System.Drawing.Size(36, 17);
      this.Label1.TabIndex = 10;
      this.Label1.Text = "Cycles:";
      // 
      // axToolbarControl1
      // 
      this.axToolbarControl1.Location = new System.Drawing.Point(8, 8);
      this.axToolbarControl1.Name = "axToolbarControl1";
      this.axToolbarControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axToolbarControl1.OcxState")));
      this.axToolbarControl1.Size = new System.Drawing.Size(592, 28);
      this.axToolbarControl1.TabIndex = 14;
      this.axToolbarControl1.OnItemClick += new ESRI.ArcGIS.Controls.IToolbarControlEvents_Ax_OnItemClickEventHandler(this.axToolbarControl1_OnItemClick);
      // 
      // axTOCControl1
      // 
      this.axTOCControl1.Location = new System.Drawing.Point(8, 40);
      this.axTOCControl1.Name = "axTOCControl1";
      this.axTOCControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axTOCControl1.OcxState")));
      this.axTOCControl1.Size = new System.Drawing.Size(136, 328);
      this.axTOCControl1.TabIndex = 15;
      // 
      // axGlobeControl1
      // 
      this.axGlobeControl1.Location = new System.Drawing.Point(144, 40);
      this.axGlobeControl1.Name = "axGlobeControl1";
      this.axGlobeControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axGlobeControl1.OcxState")));
      this.axGlobeControl1.Size = new System.Drawing.Size(456, 328);
      this.axGlobeControl1.TabIndex = 16;
      // 
      // axLicenseControl1
      // 
      this.axLicenseControl1.Enabled = true;
      this.axLicenseControl1.Location = new System.Drawing.Point(384, 56);
      this.axLicenseControl1.Name = "axLicenseControl1";
      this.axLicenseControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axLicenseControl1.OcxState")));
      this.axLicenseControl1.Size = new System.Drawing.Size(32, 32);
      this.axLicenseControl1.TabIndex = 17;
      // 
      // Form1
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(608, 438);
      this.Controls.Add(this.axLicenseControl1);
      this.Controls.Add(this.axGlobeControl1);
      this.Controls.Add(this.axTOCControl1);
      this.Controls.Add(this.axToolbarControl1);
      this.Controls.Add(this.lblStatus);
      this.Controls.Add(this.FrmAnim);
      this.Name = "Form1";
      this.Text = "GlobeControlAnimation";
      this.Load += new System.EventHandler(this.Form1_Load);
      this.FrmAnim.ResumeLayout(false);
      ((System.ComponentModel.ISupportInitialize)(this.axToolbarControl1)).EndInit();
      ((System.ComponentModel.ISupportInitialize)(this.axTOCControl1)).EndInit();
      ((System.ComponentModel.ISupportInitialize)(this.axGlobeControl1)).EndInit();
      ((System.ComponentModel.ISupportInitialize)(this.axLicenseControl1)).EndInit();
      this.ResumeLayout(false);

    }
    #endregion

    [STAThread]
    static void Main() 
    {
            
            if (!RuntimeManager.Bind(ProductCode.Engine))
            {
                if (!RuntimeManager.Bind(ProductCode.Desktop))
                {
                    MessageBox.Show("Unable to bind to ArcGIS runtime. Application will be shut down.");
                    return;
                }
            }

            Application.Run(new Form1());
    }


    private void Form1_Load(object sender, System.EventArgs e)
    {  
      //check and load if the animation file is present...
      m_AnimFilePath = @"..\..\..\..\..\Data\ArcGlobeAnimation\AnimationSample.aga";
      if (System.IO.File.Exists(m_AnimFilePath))
      {
        //Load the sample animation file into the animation file into the doc...
        IGlobe globe = axGlobeControl1.Globe;
        IBasicScene basicScene = (IBasicScene) globe;
        basicScene.LoadAnimation(m_AnimFilePath);
      }
      else
      {
        //Disable Animation Player controls...
        OptDuration.Enabled = false;
        OptIteration.Enabled = false;
        txtDuration.Enabled = false;
        TxtFrequency.Enabled = false;
        TxtFrequency.Enabled = false;
        CmdPlay.Enabled = false;
      }
      Icon = null;
    }


    private void OptIteration_CheckedChanged(object sender, System.EventArgs e)
    {
      if (OptIteration.Checked == true)
      {
        //Set Default cycle and iteration..
        txtDuration.Text = "500";
        TxtFrequency.Text = "2";
      }
    }

    private void OptDuration_CheckedChanged(object sender, System.EventArgs e)
    {
      if (OptDuration.Checked == true)
      {
        //Set Default cycle and iteration..
        txtDuration.Text = "10"; 
        TxtFrequency.Text = "2"; 
      }
    }

    private void CmdPlay_Click(object sender, System.EventArgs e)
    {
      if (OptDuration.Checked == true)
      {
        double duration = Convert.ToInt32(txtDuration.Text);
        int numCycle = Convert.ToInt32(TxtFrequency.Text);
        //play the animation via duration
        PlayAnimation(duration, numCycle);
      }
      else
      {
        int iteration = Convert.ToInt32(txtDuration.Text);
        int  cycles = Convert.ToInt32(TxtFrequency.Text);
        //play animation via iteration...
        PlayAnimationFast(cycles, iteration);
      }
    }

    private void CmdLoad_Click(object sender, System.EventArgs e)
    {
      openFileDialog1.Title = "Open ArcGlobe Animation File";
      openFileDialog1.Filter = "ArcGlobe Animation Files (*.aga)|*.aga";
      //set ArcGlobeAnimaton path folder as default path...
      if (m_AnimFilePath != "")
      {
        openFileDialog1.InitialDirectory = m_AnimFilePath;
      }
      else
      {
        openFileDialog1.InitialDirectory = Application.StartupPath;
      }
      openFileDialog1.ShowDialog();

      //if the user selected an animation file
      string animFilePath = openFileDialog1.FileName;
      if (animFilePath == "") return; 

      //sAnimFilePath
          IGlobe globe = axGlobeControl1.Globe;
        IBasicScene basicScene = (IBasicScene) globe;
      basicScene.LoadAnimation(animFilePath);

      //if loading of the animation succeeded, enable player controls...
      //Enable Animation Player controls...
      OptDuration.Enabled = true;
      OptIteration.Enabled = true;
      txtDuration.Enabled = true;
      TxtFrequency.Enabled = true;
      TxtFrequency.Enabled = true;
      CmdPlay.Enabled = true;
    }

    private int Greatest(ref int[] array) 
    {
      //Function to find the largest count of keyframes (in any one of the Animation tracks)
      int max=0;
      int length = array.Length;
      for (int i=0; i<length; i++)
      {
        if (max == 0)
        {
          max = array[i];
        }
        else if (array[i] > max)
        {
          max = array[i];
        }
      }
      return max;
    }

    private void PlayAnimation(double duration, int numCycles)
    {
      IGlobe globe = axGlobeControl1.Globe;
      IAnimationTracks tracks = (IAnimationTracks) globe;
      IViewers3D viewers3D = globe.GlobeDisplay;

      //exit if document doesn't contain animation..
       string sError;
      if (tracks.TrackCount == 0)
      {
        sError = m_AnimFilePath;
        if (sError == "")
        {
          sError = "To get a Sample animation file, Developer Kit Samples need to be installed!";
          System.Windows.Forms.MessageBox.Show("The current document doesn't contain animation file." + 0x000A  + sError);
        }
        else
        {
          System.Windows.Forms.MessageBox.Show("The current document doesn't contain animation file." + 0x000A  + "Load " + m_AnimFilePath + @"\AnimationSample.aga for sample.");
        }
        return;
      }
      
      DateTime startTime;
      TimeSpan timeSpan;
      int j;
      double elapsedTime;

      for (int i=1; i<=numCycles; i++)
      {
        startTime = DateTime.Now;
        j = 0;
        do
        {
          timeSpan = (DateTime.Now).Subtract(startTime);
          elapsedTime = timeSpan.TotalSeconds;
          if (elapsedTime > duration) elapsedTime = duration;
          tracks.ApplyTracks(null, elapsedTime, duration);
          viewers3D.RefreshViewers();
          j = j + 1;
        }
        while (elapsedTime < duration);
      }
    }


    private void PlayAnimationFast(int cycles, int iteration)
    {
      IGlobe globe = axGlobeControl1.Globe;
      IGlobeDisplay globeDisplay = globe.GlobeDisplay;
      Scene scene = (Scene) globeDisplay.Scene;
      IAnimationTracks sceneTracks = (IAnimationTracks) scene;

      IArray trackCamArray = new ArrayClass();
      IArray trackGlbArray = new ArrayClass();
      IArray trackLyrArray = new ArrayClass();

      string sError;
      if (sceneTracks.TrackCount == 0)
      {
        sError = m_AnimFilePath;
        if (sError == "")
        {
          sError = "To get a Sample animation file, Developer Kit Samples need to be installed!";
          System.Windows.Forms.MessageBox.Show("The current document doesn't contain animation file." + 0x000A  + sError);
        }
        else
        {
          System.Windows.Forms.MessageBox.Show("The current document doesn't contain animation file." + 0x000A  + "Load " + m_AnimFilePath + @"\AnimationSample.aga for sample.");
        }
        return;
      }
      
      IAnimationTrack track;
      IAnimationTrack trackLayer;
      IAnimationTrack trackGlobe = null;
      IAnimationType animType;
      IAnimationType animLayer;
      IAnimationType animGlobeCam = null;
      IKeyframe kFGlbCam;
      IKeyframe kFGlbLayer;
      int k;
      int[] count = new int[1000];

      //get each track from the scene and store tracks of the same kind in an Array
      for (int i=0; i<=sceneTracks.TrackCount-1;i++)
      {
        track = (IAnimationTrack) sceneTracks.Tracks.get_Element(i);
        k = i;
        animType = track.AnimationType;

        if (animType.CLSID.Value.ToString() == "{7CCBA704-3933-4D7A-8E89-4DFEE88AA937}")
        {
          //GlobeLayer
          trackLayer = new AnimationTrackClass();
          trackLayer = track;
          trackLayer.AnimationType = animType;
          kFGlbLayer = new GlobeLayerKeyframeClass();
          animLayer = animType;
          //Store the keyframe count of each track in an array
          count[i] = trackLayer.KeyframeCount;
          trackLyrArray.Add(trackLayer);
        }
        else if (animType.CLSID.Value.ToString() == "{D4565495-E2F9-4D89-A8A7-D0B69FD7A424}")
        {
          //Globe Camera type
          trackGlobe = new AnimationTrackClass();
          trackGlobe = track;
          trackGlobe.AnimationType = animType;
          kFGlbCam = new GlobeCameraKeyframeClass();
          animGlobeCam = animType;
          //Store the keyframe count of each track in an array
          count[i] = trackGlobe.KeyframeCount;
          trackGlbArray.Add(trackGlobe);
        }
        else
        {
          System.Windows.Forms.MessageBox.Show("Animation Type " + animType.Name + " Not Supported. Check if the animation File is Valid!");
          return;
        }
      }

      int larger = Greatest(ref count);
      //if nothing gets passed by the argument it takes the max no of keyframes
      if (iteration == 0) iteration = larger;

      IAnimationTrack trackCamera;
      IAnimationType animCam = null;
      IKeyframe kFBkmark;
      double time = 0;
      int keyFrameLayerCount; int keyFrameCameraCount; int keyFrameCount;

      for (int i=1; i<=cycles; i++) //no of cycles...
      {
        for (int start=0; start<=iteration; start++) //no of iterations...
        {
          for (int j=0; j<=trackCamArray.Count-1; j++)
          {
            trackCamera = (IAnimationTrack) trackCamArray.get_Element(j);
            if (trackCamera != null)
            {
              if (time >= trackCamera.BeginTime)
              {
                keyFrameCameraCount = trackGlobe.KeyframeCount;
                kFBkmark = trackCamera.get_Keyframe(keyFrameCameraCount - keyFrameCameraCount);
                //reset object
                animCam.ResetObject(scene, kFBkmark);
                //interpolate by using track
                trackCamera.InterpolateObjectProperties(scene, time);
                keyFrameCameraCount = keyFrameCameraCount - 1;
              }
            }
          }

          for (k=0; k<=trackGlbArray.Count-1;k++)
          {
            trackGlobe = (IAnimationTrack) trackGlbArray.get_Element(k);
            if (trackGlobe != null)
            {
              if (time >= trackGlobe.BeginTime)
              {
                keyFrameCount = trackGlobe.KeyframeCount;
                kFGlbCam = trackGlobe.get_Keyframe(trackGlobe.KeyframeCount - keyFrameCount);
                //reset object
                animGlobeCam.ResetObject(scene, kFGlbCam);
                //interpolate by using track
                trackGlobe.InterpolateObjectProperties(scene, time);
                keyFrameCount = keyFrameCount - 1;
              }
            }
          }

          for (int t=0; t<=trackLyrArray.Count-1; t++)
          {
            trackLayer = (IAnimationTrack) trackLyrArray.get_Element(t);
            if (trackLayer != null)
            {
              if (time >= trackLayer.BeginTime)
              {
                keyFrameLayerCount = trackLayer.KeyframeCount;
                kFGlbLayer = trackLayer.get_Keyframe(trackLayer.KeyframeCount - keyFrameLayerCount);
                //interpolate by using track
                trackLayer.InterpolateObjectProperties(scene, time);
                keyFrameLayerCount = keyFrameLayerCount - 1;
              }
            }
          }

          //reset interpolation Point
          time = start / iteration;
          //refresh the globeviewer(s)
          globeDisplay.RefreshViewers();
        }
      }
    }

    private string routin_ReadRegistry(string sKey) 
    {
      //Open the subkey for reading
      Microsoft.Win32.RegistryKey rk = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(sKey,true);
      if (rk == null) return ""; 
      // Get the data from a specified item in the key.
      return (string) rk.GetValue("InstallDir");
    }

    private void axToolbarControl1_OnItemClick(object sender, ESRI.ArcGIS.Controls.IToolbarControlEvents_OnItemClickEvent e)
    {
      //Display help when fly tool and walk tools are selected...
      //check if key intercept is enabled,if not enable it.
      if (axGlobeControl1.KeyIntercept != 1) axGlobeControl1.KeyIntercept = 1;
      
      UID uID = axToolbarControl1.GetItem(e.index).UID;
      //uid for fly tool={2C327C42-8CA9-4FC3-8C7B-F6290680FABB}
      //uid for walk tool={56C3BDD4-C51A-4574-8954-D3E1F5F54E57}

      if (uID.Value.ToString() == "{2C327C42-8CA9-4FC3-8C7B-F6290680FABB}")
      {
        //fly...
        lblStatus.Text = "Use arrow up or arrow left keys to decelerate and arrow up or arrow left keys to accelerate.";
      }
      else if (uID.Value.ToString() == "{56C3BDD4-C51A-4574-8954-D3E1F5F54E57}")
      {
        //walk...
        lblStatus.Text = "Use arrow up or down keys to change elevation and the arrow left or right keys to fine-tune travel speed.";
      }
      else
      {
        lblStatus.Text = "";
      }
    }

  }
}