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VideoWindowSizeMode Property

Summary

Gets or sets the size mode for the current video window.

Syntax

C++

public virtual SizeMode VideoWindowSizeMode { get; set; }

Public Overridable Property VideoWindowSizeMode As SizeMode

public: 
virtual property SizeMode VideoWindowSizeMode { 
   SizeMode get(); 
   void set (    SizeMode ); 
}

Property Value

A SizeMode value representing the video window size mode.

Remarks

The value must one of the SizeMode enumeration values. The default size mode is SizeMode.Fit. Assignment can raise an error exception. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
// capture control 
CaptureCtrl capturectrl; 
 
// output file 
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_VideoWindowSizeModeExample.avi"); 
 
public void VideoWindowSizeModeExample() 
{ 
   // reference the capture control 
   capturectrl = _form.CaptureCtrl; 
 
   try 
   { 
      // set the source video device, select using your device name here 
      if (capturectrl.VideoDevices["USB"] == null) 
      { 
         throw new Exception("No USB video device available"); 
      } 
 
      capturectrl.VideoDevices["USB"].Selected = true; 
 
      // set the target output file 
      capturectrl.TargetFile = outFile; 
 
 
      if (capturectrl.IsModeAvailable(CaptureMode.Video)) 
      { 
         // subscribe to the started event 
         capturectrl.Started += CaptureCtrl_Started; 
 
         // set video window size mode 
         capturectrl.VideoWindowSizeMode = SizeMode.Fit; 
 
         // start capture 
         capturectrl.StartCapture(CaptureMode.Video); 
 
         // get the scale mode 
         SizeMode Mode = capturectrl.VideoWindowSizeMode; 
 
         // set the result to what we expect 
         _result = (Mode == SizeMode.Fit); 
      } 
   } 
   catch (COMException) 
   { 
      _result = false; 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
void CaptureCtrl_Started(object sender, EventArgs e) 
{ 
   // stop the capture (we don't need a complete capture for this example) 
   capturectrl.StopCapture(); 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media"; 
}

Imports Leadtools 
Imports Leadtools.MediaFoundation 
Imports LeadtoolsMediaFoundationExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As New CaptureCtrlForm() 
 
' capture control 
Private capturectrl As CaptureCtrl 
 
' output file 
Private outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_VideoWindowSizeModeExample.avi") 
 
Public Sub VideoWindowSizeModeExample() 
   ' reference the capture control 
   capturectrl = _form.CaptureCtrl 
 
   Try 
      ' set the source video device, select using your device name here 
      If capturectrl.VideoDevices("USB") Is Nothing Then 
         Throw New Exception("No USB video device available") 
      End If 
 
      capturectrl.VideoDevices("USB").Selected = True 
 
      ' set the target output file 
      capturectrl.TargetFile = outFile 
 
 
      If capturectrl.IsModeAvailable(CaptureMode.Video) Then 
         ' subscribe to the started event 
         AddHandler capturectrl.Started, AddressOf CaptureCtrl_Started 
 
         ' set video window size mode 
         capturectrl.VideoWindowSizeMode = SizeMode.Fit 
 
         ' start capture 
         capturectrl.StartCapture(CaptureMode.Video) 
 
         ' get the scale mode 
         Dim Mode As SizeMode = capturectrl.VideoWindowSizeMode 
 
         ' set the result to what we expect 
         _result = (Mode = SizeMode.Fit) 
      End If 
   Catch generatedExceptionName As COMException 
      _result = False 
   Catch generatedExceptionName As Exception 
      _result = False 
   End Try 
End Sub 
 
Private Sub CaptureCtrl_Started(ByVal sender As Object, ByVal e As EventArgs) 
   ' stop the capture (we don't need a complete capture for this example) 
   capturectrl.StopCapture() 
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

Reference

CaptureCtrl Class

CaptureCtrl Members

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Help Version 20.0.2020.4.2

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies