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

VideoCaptureSizes Property

Example 





Gets the video capture sizes collection object.
Syntax
public virtual CaptureSizes VideoCaptureSizes {get;}
'Declaration
 
Public Overridable ReadOnly Property VideoCaptureSizes As CaptureSizes
'Usage
 
Dim instance As CaptureCtrl
Dim value As CaptureSizes
 
value = instance.VideoCaptureSizes
public virtual CaptureSizes VideoCaptureSizes {get;}
 get_VideoCaptureSizes(); 
public:
virtual property CaptureSizes^ VideoCaptureSizes {
   CaptureSizes^ get();
}

Property Value

A CaptureSizes collection containing video capture sizes.
Remarks
The CaptureSizes object used to enumerate and select CaptureSize objects that contain common video capture sizes.
Example
Copy CodeCopy Code  
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CaptureSizesExample()
  ' reference the capture control
  Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

  Try
     ' select a USB video device, use 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

     ' reference the capture size collection
     Dim sizes As CaptureSizes = capturectrl.VideoCaptureSizes

     ' get the current selection
     Dim n As Integer = sizes.Selection

     ' loop through all the capture sizes
     For Each cs As CaptureSize In sizes
       ' check some criteria and select one
       If cs.Width = 640 AndAlso cs.Height = 480 Then
         ' select it and break
         cs.Selected = True
         Exit For
       End If
     Next cs

     ' set the result to what we expect
     _result = (n <> sizes.Selection)
  Catch e1 As Exception
     _result = False
  End Try
End Sub
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CaptureSizesExample()
{
   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;

   try
   {
      // select a USB video device. use your device's name here
      if (capturectrl.VideoDevices["USB"] == null)
         throw new Exception("No USB video device available");

      capturectrl.VideoDevices["USB"].Selected = true;

      // reference the capture size collection
      CaptureSizes sizes = capturectrl.VideoCaptureSizes;

      // get the current selection
      int n = sizes.Selection;

      // loop through all the capture sizes
      foreach (CaptureSize cs in sizes)
      {
         // check some criteria and select one
         if (cs.Width == 640 && cs.Height == 480)
         {
            // select it and break
            cs.Selected = true;
            break;
         }
      }

      // set the result to what we expect
      _result = (n != sizes.Selection);
   }
   catch (Exception)
   {
      _result = false;
   }
}
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

CaptureCtrl Class
CaptureCtrl Members

 

 


Products | Support | Contact Us | Copyright Notices

© 2006-2012 All Rights Reserved. LEAD Technologies, Inc.

Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features