Gets the index of the size that matches the specified size.
Public Overloads Function IndexOf( _
ByVal Width As Integer, _
ByVal Height As Integer _
) As Integer
Width
Video width to find.
Height
Video height to find.
The zero-based index of the found item; otherwise, -1 if no item found.
Gets the zero-based index of the size that matches the specified size. If the method fails, an error is raised. For more information, refer to the Error Codes.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void IndexContainsExample()
{
try
{
// reference the form capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
// set a video device first, you should use your video device name here
if (capturectrl.VideoDevices["USB"] == null)
throw new Exception("No USB video device available");
capturectrl.VideoDevices["USB"].Selected = true;
// reference the video capture sizes collection
CaptureSizes sizes = capturectrl.VideoCaptureSizes;
// check for 640x480
int i = sizes.IndexOf(640, 480);
// access the input via the collection indexer
CaptureSize cs = sizes[i];
// check if the collection contains this input
// (it should we just got it with IndexOf above!)
if (sizes.Contains(cs))
{
// set the result to what we expect
_result = true;
}
}
catch (Exception)
{
_result = false;
}
}
Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub IndexContainsExample()
Try
' reference the form capture control
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
' set a video device first, you should use your video 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 video capture sizes collection
Dim sizes As CaptureSizes = capturectrl.VideoCaptureSizes
' check for 640x480
Dim i As Integer = sizes.IndexOf(640, 480)
' access the input via the collection indexer
Dim cs As CaptureSize = sizes(i)
' check if the collection contains this input
' (it should we just got it with IndexOf above!)
If sizes.Contains(cs) Then
' set the result to what we expect
_result = True
End If
Catch e1 As Exception
_result = False
End Try
End Sub
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