LEADTOOLS Multimedia (Leadtools.Multimedia assembly)
LEAD Technologies, Inc

SaveStillDIB Method (PlayCtrl)

Example 





A string that represents the name to use when saving the snapshot.
The timeout period, in milliseconds. This method will fail if it was not able to take a DIB in the specified time. Use -1 to wait indefinitely until a DIB is snapped.
Saves a snapshot from the running stream to a file as a Device Independent Bitmap (DIB).
Syntax
public virtual void SaveStillDIB( 
   string fileName,
   int timeOut
)
'Declaration
 
Public Overridable Sub SaveStillDIB( _
   ByVal fileName As String, _
   ByVal timeOut As Integer _
) 
'Usage
 
Dim instance As PlayCtrl
Dim fileName As String
Dim timeOut As Integer
 
instance.SaveStillDIB(fileName, timeOut)
public virtual void SaveStillDIB( 
   string fileName,
   int timeOut
)
 function Leadtools.Multimedia.PlayCtrl.SaveStillDIB( 
   fileName ,
   timeOut 
)
public:
virtual void SaveStillDIB( 
   String^ fileName,
   int timeOut
) 

Parameters

fileName
A string that represents the name to use when saving the snapshot.
timeOut
The timeout period, in milliseconds. This method will fail if it was not able to take a DIB in the specified time. Use -1 to wait indefinitely until a DIB is snapped.
Remarks
Saves a snapshot from the running stream to a file. The file is saved as a DIB using the specified filename and timeout period. This method blocks (does not return) until the timeout occurs or the DIB is snapped.
Example
Copy CodeCopy Code  
Public _form As PlayCtrlForm = New PlayCtrlForm()
      Public _playctrl As PlayCtrl = Nothing
      Public _result As Boolean = False
      Private _inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")
      Private _outFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_SaveStillDIB.dib")

      Public Sub SaveStillDIBExample()
         ' reference the play control
         _playctrl = _form.PlayCtrl

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

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

            ' now start the test timer for the still DIB 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 SaveStillDIB_Helper(ByVal sender As Object, ByVal e As EventArgs)
         ' cancel the timer
         _form.TestTimer.Stop()

         ' save the still DIB to a file
         _playctrl.SaveStillDIB(_outFile, -1)

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

         ' stop playback
         _playctrl.Stop()
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
End Class
public PlayCtrlForm _form = new PlayCtrlForm();
      public PlayCtrl _playctrl = null;
      public bool _result = false;
      string _inFile =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_Source.avi");
      string _outFile =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_SaveStillDIB.dib");

      public void SaveStillDIBExample()
      {
         // reference the play control
         _playctrl = _form.PlayCtrl;

         try
         {
            // set a timer on the form to make the still DIB
            _form.TestTimer.Interval = 5000;
            _form.TestTimer.Tick += new EventHandler(SaveStillDIB_Helper);

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

            // now start the test timer for the still DIB 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 SaveStillDIB_Helper(object sender, EventArgs e)
      {
         // cancel the timer
         _form.TestTimer.Stop();

         // save the still DIB to a file
         _playctrl.SaveStillDIB(_outFile, -1);

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

         // stop playback
         _playctrl.Stop();
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

PlayCtrl Class
PlayCtrl Members

 

 


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