StillTap Property (PlayCtrl)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overridable Property StillTap As PlayStillTap

'Usage
 
Dim instance As PlayCtrl
Dim value As PlayStillTap
 
instance.StillTap = value
 
value = instance.StillTap

public virtual PlayStillTap StillTap {get; set;}

public:
virtual property PlayStillTap StillTap {
   PlayStillTap get();
   void set (    PlayStillTap value);
}

Property Value

A PlayStillTap enumeration value indicating the tap location.

For a list of possible values, refer to the PlayStillTap enumeration values. Still images can be captured using GetStillDIB, GetStillImage, SaveStillDIB or SaveStillBitmap.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As PlayCtrlForm = New PlayCtrlForm()
Public _playctrl As PlayCtrl = Nothing
Public _bmpFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_SaveStillBitmap.bmp")
Public Sub SaveStillBitmapExample()
   ' input and output file names
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_ShortSource.avi")

   Try
      ' reference the convert control
      _playctrl = _form.PlayCtrl

      ' set a timer on the form to make the still bitmap
      _form.TestTimer.Interval = 5000
      AddHandler _form.TestTimer.Tick, AddressOf SaveStillBitmap_Helper

      ' add an effects processor for playback
      _playctrl.SelectedVideoProcessors.Add(_playctrl.VideoProcessors.EFXDizzy)

      ' set the still tap location to Processors so that we get
      ' our effect applied to the still image -- you could of course
      ' set the tap to Source to capture the still without the applied effect 
      _playctrl.StillTap = PlayStillTap.Processors

      ' set the source and target files
      _playctrl.SourceFile = inFile

      ' now start the test timer for the still capture
      _form.TestTimer.Start()
   Catch e1 As Exception
      _result = False
   End Try

   ' we'll loop on the state and pump messages for this example.
   ' but you should not need to if running from a Windows Forms application.
   Do While _playctrl.State = PlayState.Running
      Application.DoEvents()
   Loop
End Sub

Public Sub SaveStillBitmap_Helper(ByVal sender As Object, ByVal e As EventArgs)
   ' cancel the timer
   _form.TestTimer.Stop()

   ' try to simulate an error condition
   _playctrl.SaveStillBitmap(_bmpFile, StillFormatType.BMP, 0, 0, -1)

   ' check for the capture file and set the result
   If File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _bmpFile)) Then
      _result = True
   End If

   _playctrl.Stop()
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public PlayCtrlForm _form = new PlayCtrlForm();
public PlayCtrl _playctrl = null;
public string _bmpFile = Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_SaveStillBitmap.bmp");
public void SaveStillBitmapExample()
{
   // input and output file names
   string inFile =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_ShortSource.avi");

   try
   {
      // reference the convert control
      _playctrl = _form.PlayCtrl;

      // set a timer on the form to make the still bitmap
      _form.TestTimer.Interval = 5000;
      _form.TestTimer.Tick += new EventHandler(SaveStillBitmap_Helper);

      // add an effects processor for playback
      _playctrl.SelectedVideoProcessors.Add(_playctrl.VideoProcessors.EFXDizzy);

      // set the still tap location to Processors so that we get
      // our effect applied to the still image -- you could of course
      // set the tap to Source to capture the still without the applied effect 
      _playctrl.StillTap = PlayStillTap.Processors;

      // set the source and target files
      _playctrl.SourceFile = inFile;

      // now start the test timer for the still capture
      _form.TestTimer.Start();
   }
   catch (Exception)
   {
      _result = false;
   }

   // we'll loop on the state and pump messages for this example.
   // but you should not need to if running from a Windows Forms application.
   while (_playctrl.State == PlayState.Running)
      Application.DoEvents();
}

public void SaveStillBitmap_Helper(object sender, EventArgs e)
{
   // cancel the timer
   _form.TestTimer.Stop();

   // try to simulate an error condition
   _playctrl.SaveStillBitmap(_bmpFile, StillFormatType.BMP, 0, 0, -1);

   // check for the capture file and set the result
   if (File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _bmpFile)))
      _result = true;

   _playctrl.Stop();
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Target Platforms

Reference

PlayCtrl Class
PlayCtrl Members