Leadtools.MediaFoundation Namespace > Classes > ConvertCtrl > Events > Progress Event

public event Leadtools.Mediafoundation.ProgressEventHandler Progress 

Public Event Progress As Leadtools.Mediafoundation.ProgressEventHandler 

public: 
event Leadtools.Mediafoundation.ProgressEventHandler^ Progress 

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void ProgressExample() 
{ 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ProgressExample.MP4"); 
 
   // reference the convert control 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
 
   try 
   { 
      // set the input and output files 
      convertctrl.SourceFile = inFile; 
      convertctrl.TargetFile = outFile; 
 
      // select the target format 
      convertctrl.TargetFormat = TargetFormatType.MP4; 
 
      // select video and audio target formats for the output 
      int index = -1; 
      TargetVideoFormats targetvideoformats = convertctrl.TargetFormats[convertctrl.TargetFormat].VideoFormats; 
      index = targetvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}");// H264 
      targetvideoformats.Selection = index; 
      TargetAudioFormats targetaudioformats = convertctrl.TargetFormats[convertctrl.TargetFormat].AudioFormats; 
      index = targetaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}");// AAC 
      targetaudioformats.Selection = index; 
 
      // set our progress event handler 
      convertctrl.Progress += new ProgressEventHandler(ConvertCtrl_Progress); 
 
      // convert it now! 
      convertctrl.StartConvert(); 
   } 
   catch (COMException cex) 
   { 
      if (cex.ErrorCode == (int)ErrorCode.VFW_E_WRONG_STATE) 
         throw cex; 
      _result = false; 
   } 
   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 (convertctrl.State == ConvertState.Running) 
      Application.DoEvents(); 
} 
 
public void ConvertCtrl_Progress(object sender, ProgressEventArgs e) 
{ 
   // set the result to true if complete 
   if (e.percent == 100) 
      _result = true; 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media"; 
} 

Imports Leadtools 
Imports Leadtools.MediaFoundation 
Imports LeadtoolsMediaFoundationExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As ConvertCtrlForm = New ConvertCtrlForm() 
 
Public Sub ProgressExample() 
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") 
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ProgressExample.MP4") 
 
   ' reference the convert control 
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl 
 
   Try 
      ' set the input and output files 
      convertctrl.SourceFile = inFile 
      convertctrl.TargetFile = outFile 
 
      ' set the target format 
      convertctrl.TargetFormat = TargetFormatType.MP4 
 
      ' select video and audio target formats for the output 
      Dim index As Integer = -1 
      Dim trgvideoformats As TargetVideoFormats = convertctrl.TargetFormats(convertctrl.TargetFormat).VideoFormats 
      index = trgvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}") ' H264 
      trgvideoformats.Selection = index 
      Dim trgaudioformats As TargetAudioFormats = convertctrl.TargetFormats(convertctrl.TargetFormat).AudioFormats 
      index = trgaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}") ' AAC 
      trgaudioformats.Selection = index 
 
      ' set our progress event handler 
      AddHandler convertctrl.Progress, AddressOf ConvertCtrl_Progress 
 
      ' convert it now! 
      convertctrl.StartConvert() 
   Catch cex As COMException 
      If cex.ErrorCode = CInt(ErrorCode.VFW_E_WRONG_STATE) Then 
         Throw cex 
      End If 
      _result = False 
   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 convertctrl.State = ConvertState.Running 
      Application.DoEvents() 
   Loop 
End Sub 
 
Public Sub ConvertCtrl_Progress(ByVal sender As Object, ByVal e As ProgressEventArgs) 
   ' set the result to true if complete 
   If e.percent = 100 Then 
      _result = True 
   End If 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media" 
End Class 

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Leadtools.MediaFoundation Assembly