ByteScout Image To Video SDK - ASP.NET - Make Slideshow From Files In Folder (VB) - ByteScout

ByteScout Image To Video SDK – ASP.NET – Make Slideshow From Files In Folder (VB)

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How to make slideshow from files in folder (vb) in ASP.NET using ByteScout Image To Video SDK

Tutorial on how to make slideshow from files in folder (vb) in ASP.NET

These sample source codes on this page below are demonstrating how to make slideshow from files in folder (vb) in ASP.NET. ByteScout Image To Video SDK: the software development kit that can take a set of images and generate video slide show from them. Includes built-in support for 100+ of 2-D and 3-D slide transitions effects. Supports output in WMV, AVI, WEBM video formats. It can make slideshow from files in folder (vb) in ASP.NET.

This rich sample source code in ASP.NET for ByteScout Image To Video SDK includes the number of functions and options you should do calling the API to make slideshow from files in folder (vb). In order to implement the functionality, you should copy and paste this code for ASP.NET below into your code editor with your app, compile and run your application. Further enhancement of the code will make it more vigorous.

Our website provides trial version of ByteScout Image To Video SDK for free. It also includes documentation and source code samples.

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Default.aspx
      
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="SimpleSlideshow._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Perform Slideshow</title> </head> <body> <form id="form1" runat="server"> <div> <asp:Button ID="ButtonPerformSlideShow" runat="server" Text="Perform SlideShow" /> </div> </form> </body> </html>

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Default.aspx.designer.vb
      
'------------------------------------------------------------------------------ ' <auto-generated> ' This code was generated by a tool. ' ' Changes to this file may cause incorrect behavior and will be lost if ' the code is regenerated. ' </auto-generated> '------------------------------------------------------------------------------ Option Strict On Option Explicit On Partial Public Class _Default '''<summary> '''form1 control. '''</summary> '''<remarks> '''Auto-generated field. '''To modify move field declaration from designer file to code-behind file. '''</remarks> Protected WithEvents form1 As Global.System.Web.UI.HtmlControls.HtmlForm '''<summary> '''ButtonPerformSlideShow control. '''</summary> '''<remarks> '''Auto-generated field. '''To modify move field declaration from designer file to code-behind file. '''</remarks> Protected WithEvents ButtonPerformSlideShow As Global.System.Web.UI.WebControls.Button End Class

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Default.aspx.vb
      
Imports System.IO Imports BytescoutImageToVideo Partial Public Class _Default Inherits System.Web.UI.Page ' IF YOU SEE TEMPORARY FOLDER ACCESS ERRORS: ' Temporary folder access is required for web application when you use ByteScout SDK in it. ' If you are getting errors related to the access to temporary folder like "Access to the path 'C:\Windows\TEMP\... is denied" then you need to add permission for this temporary folder to make ByteScout SDK working on that machine and IIS configuration because ByteScout SDK requires access to temp folder to cache some of its data for more efficient work. ' SOLUTION: ' If your IIS Application Pool has "Load User Profile" option enabled the IIS provides access to user's temp folder. Check user's temporary folder ' If you are running Web Application under an impersonated account or IIS_IUSRS group, IIS may redirect all requests into separate temp folder like "c:\temp\". ' In this case ' - check the User or User Group your web application is running under ' - then add permissions for this User or User Group to read and write into that temp folder (c:\temp or c:\windows\temp\ folder) ' - restart your web application and try again Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load End Sub Protected Sub ButtonPerformSlideShow_Click(sender As Object, e As EventArgs) Handles ButtonPerformSlideShow.Click ' Create BytescoutImageToVideoLib.ImageToVideo object instance Dim converter As New ImageToVideo() ' Activate the component converter.RegistrationName = "demo" converter.RegistrationKey = "demo" Dim outputVideoFile As String = Path.GetTempPath() + "result.wmv" Dim fileEntries As String() = Directory.GetFiles(Server.MapPath("~/App_Data/images/")) Dim fileName As String For Each fileName In fileEntries ' Add images and set the duration for every slide Dim slide As Slide slide = converter.AddImageFromFileName(fileName) slide.Duration = 2000 ' 2000ms = 2s Next ' Set output video size converter.OutputWidth = 640 converter.OutputHeight = 480 ' Set output video file name converter.OutputVideoFileName = outputVideoFile ' Run the conversion converter.RunAndWait() ' Release resources System.Runtime.InteropServices.Marshal.ReleaseComObject(converter) converter = Nothing ' Show filename of generated file Response.Clear() Response.ContentType = "text/html" If File.Exists(outputVideoFile) Then Response.Write("Result video file: <b>" + outputVideoFile + "</b>") Else Response.Write("Conversion failed. Error information: " + converter.LastError) End If Response.End() End Sub End Class

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Web.config
      
<?xml version="1.0"?> <configuration> <appSettings/> <connectionStrings/> <system.web> <!-- Set compilation debug="true" to insert debugging symbols into the compiled page. Because this affects performance, set this value to true only during development. Visual Basic options: Set strict="true" to disallow all data type conversions where data loss can occur. Set explicit="true" to force declaration of all variables. --> <compilation debug="true" strict="false" explicit="true" targetFramework="4.0"/> <pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID"> <namespaces> <clear/> <add namespace="System"/> <add namespace="System.Collections"/> <add namespace="System.Collections.Specialized"/> <add namespace="System.Configuration"/> <add namespace="System.Text"/> <add namespace="System.Text.RegularExpressions"/> <add namespace="System.Web"/> <add namespace="System.Web.Caching"/> <add namespace="System.Web.SessionState"/> <add namespace="System.Web.Security"/> <add namespace="System.Web.Profile"/> <add namespace="System.Web.UI"/> <add namespace="System.Web.UI.WebControls"/> <add namespace="System.Web.UI.WebControls.WebParts"/> <add namespace="System.Web.UI.HtmlControls"/> </namespaces> </pages> <!-- The <authentication> section enables configuration of the security authentication mode used by ASP.NET to identify an incoming user. --> <authentication mode="Windows"/> <!-- The <customErrors> section enables configuration of what to do if/when an unhandled error occurs during the execution of a request. Specifically, it enables developers to configure html error pages to be displayed in place of a error stack trace. <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm"> <error statusCode="403" redirect="NoAccess.htm" /> <error statusCode="404" redirect="FileNotFound.htm" /> </customErrors> --> </system.web> </configuration>

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