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GetStillImage Method

Summary

Gets a System.Drawing.Image object.

Syntax

C++/CLI

public virtual Image GetStillImage( 
   int timeOut 
)

public: 
virtual Image^ GetStillImage(  
   int timeOut 
)

Parameters

timeOut
Value containing the maximum time to wait for the image, in milliseconds.

Return Value

The System.Drawing.Image object

Remarks

If TimeOut is -1, the method's time-out interval never elapses. If the method fails, an error is raised. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
 
public PlayCtrlForm _form = new PlayCtrlForm(); 
public PlayCtrl _playctrl = null; 
public bool _result = false; 
public string _inFile = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi"); 
public string _outFile = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_GetStillImageExample.jpg"); 
 
public void GetStillImageExample() 
{ 
   // reference the play control 
   _playctrl = _form.PlayCtrl; 
 
   try 
   { 
      // set the test timer on our form 
      _form.TestTimer.Interval = 2000; // wait 2 seconds after start 
      _form.TestTimer.Tick += GetStillImage_Helper; 
 
      // set input media file 
      _playctrl.SourceFile = _inFile; 
 
      // set the timer on 
      _form.TestTimer.Start(); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
 
   // 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 (_playctrl.State == PlayState.Running) 
      Application.DoEvents(); 
 
   // check for the captured image file and set the result 
   if (File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _outFile))) 
      _result = true; 
} 
 
public void GetStillImage_Helper(object sender, EventArgs e) 
{ 
   // get a still image 
   Image image = _playctrl.GetStillImage(-1); 
   if (image != null) 
      image.Save(_outFile, ImageFormat.Jpeg); 
   _form.TestTimer.Stop(); 
   // stop the playback 
   _playctrl.Stop(); 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS23\Media"; 
}

Requirements

Target Platforms

Reference

PlayCtrl Class

PlayCtrl Members

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Help Version 23.0.2024.2.29

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies