RemoveAllHeaderScripts Method

Summary

Removes all header scripts.

Syntax
C#
VB
C++
public void RemoveAllHeaderScripts() 
Public Sub RemoveAllHeaderScripts()  
public: 
void RemoveAllHeaderScripts();  
Example
C#
VB
using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void AddHeaderScriptExample() 
{ 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "WMScript_AddHeaderScriptExample.wmv"); 
 
   try 
   { 
      convertctrl.TargetFormat = TargetFormatType.WMVMux; 
      convertctrl.SourceFile = inFile; 
      convertctrl.TargetFile = outFile; 
      WMScript mux = convertctrl.WMScripter; 
      if (mux == null) 
      { 
         _result = false; 
         return; 
      } 
 
      mux.EnableScriptStream = false; 
      mux.RemoveAllHeaderScripts(); 
 
      WriteScript(convertctrl, mux); 
 
      // run the convert 
      convertctrl.StartConvert(); 
   } 
   catch (Exception) 
   { 
      _result = false; 
      return; 
   } 
 
   // 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(); 
 
   // set the result 
   _result = true; 
} 
 
public void WriteScript(ConvertCtrl convertctrl, WMScript mux) 
{ 
   double duration = convertctrl.Duration; 
 
   for (double t = 0.0; t < duration; t += 1.0) 
   { 
      String sz = String.Format("Sample caption script at {0} seconds", t); 
      mux.AddHeaderScript("caption", sz, t); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media"; 
} 
Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As New ConvertCtrlForm() 
 
Public Sub AddHeaderScriptExample() 
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl 
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") 
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "WMScript_AddHeaderScriptExample.wmv") 
 
   Try 
      convertctrl.TargetFormat = TargetFormatType.WMVMux 
      convertctrl.SourceFile = inFile 
      convertctrl.TargetFile = outFile 
      Dim mux As WMScript = convertctrl.WMScripter 
      If mux Is Nothing Then 
         _result = False 
         Return 
      End If 
 
      mux.EnableScriptStream = False 
      mux.RemoveAllHeaderScripts() 
 
      WriteScript(convertctrl, mux) 
 
      ' run the convert 
      convertctrl.StartConvert() 
   Catch generatedExceptionName As Exception 
      _result = False 
      Return 
   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. 
   While convertctrl.State = ConvertState.Running 
      Application.DoEvents() 
   End While 
 
   ' set the result 
   _result = True 
End Sub 
 
Public Sub WriteScript(ByVal convertctrl As ConvertCtrl, ByVal mux As WMScript) 
   Dim duration As Double = convertctrl.Duration 
 
   Dim t As Double = 0.0 
   While t < duration 
      Dim sz As [String] = [String].Format("Sample caption script at {0} seconds", t) 
      mux.AddHeaderScript("caption", sz, t) 
      t += 1.0 
   End While 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media" 
End Class 
Requirements

Target Platforms

See Also

Reference

WMScript Class

WMScript Members

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