IndexOf(string) Method (original) (raw)

Summary

Determines the index of a specific CaptureSubType name in the collection.

Syntax

public int IndexOf( string _name_ )

public: int IndexOf( String^ _name_ )

Parameters

name
The CaptureSubType name to locate in the collection.

Return Value

The zero-based index of the found item; otherwise -1 if no item found.

Example

using Leadtools; using Leadtools.Multimedia; using LeadtoolsMultimediaExamples.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. use your video device's name here if (capturectrl.VideoDevices["Analog"] == null) throw new Exception("No Analog video device available"); capturectrl.VideoDevices["Analog"].Selected = true; // reference the video capture subtypes collection CaptureSubTypes stypes = capturectrl.VideoCaptureSubTypes; // check for RGB32 subtype int i = stypes.IndexOf(Constants.MEDIASUBTYPE_RGB32); // access the input via the collection indexer CaptureSubType cs = stypes[i]; // check whether the collection contains this subtype // (it should since we just got it with IndexOf above!) if (stypes.Contains(cs)) { // set the result to what we expect _result = true; } } catch (Exception) { _result = false; } }