Image Processing / ActiveX Components (ActiveX Controls, COM Objects & OLE Objects) / Visual Basic (Controls & Components, Tools & Add-ins)

ActiveX Components (ActiveX Controls, COM Objects & OLE Objects)

Microsoft first introduced the term ActiveX in 1996 when they launched a downloadable user interface control or software component that could be used by Internet Explorer to give more interactive or active content on a Web page to the reader. ActiveX controls were a re-branded subset of OLE custom controls (OCX) or OLE controls (OCXes) that were streamlined for downloading over the Internet and that could be digitally signed for security and authentication reasons. These ActiveX downloads were also tagged or marked as being safe for scripting and safe for initialization, to help give users confidence in using them in ActiveX Internet apps, as they were less likely to start making unauthorized actions on their systems. ActiveX controls also supported threading models, such as Apartment Model Threading, to try and improve performance in a multi-user or multi-process environment.

OLE controls (OCX's) or Object Linking and Embedding controls were themselves the successor to VBX controls first introduced by Microsoft to help programmers extend the functionality and features of their Visual Basic program by buying and reusing a VBX control built by another programmer or company, with expertise in a specific area. VBXes were limited to 16 bit usage for example on Windows 3.x, OCXes were available for both 16 bit or 32 bit architectures and began being widely used as people adopted Windows 95, although most people tended to use VBXes on 16-bit systems and OCX controls or OLE components on 32-bit systems for performance reasons. OLE itself was based on earlier work by Microsoft in their Office products to allow data to be exchanged and reused as objects inside other documents or files, such as embedding an Excel spreadsheet in a Word document and updating the content of that Excel spreadsheet for display using Dynamic Data Exchange (DDE). Hence the term OLE document, that is still in use today.

OLE was part of the Microsoft COM or Component Object Model, that enabled programmers to reuse software components and services in a logical and object oriented manner. COM was extended and expanded over the years to include DCOM, the Distributed Component Object Model that allowed programmers to call OLE objects or COM objects situated on other computers or servers. COM+ was added to support transaction services using technologies such as Microsoft Transaction Server (MTS) and this first appeared when Windows 2000 was launched to better support distributed transactions in more complex applications, where higher performance and throughput was required. COM has gradually become a common term used to refer to: COM, DCOM, COM+, OLE and ActiveX technologies in general.

ActiveX components can be created in a variety of object oriented programming languages, but are most commonly created using C++ and the Microsoft Foundation Class (MFC), such as: MFC 4.0, MFC 4.2 and MFC 6.0. When VB 5 was released in became possible for a Visual Basic programmer to create an ActiveX component for reuse by other people and whilst most programmers claim that the best ActiveX components were written in Visual C++ or by utilizing the ActiveX Template Library, it did not stop some entrepreneurial developers from Janus Systems writing one of the bestselling ActiveX UI controls of all time in VB5 and VB6, called Janus GridEx, a VB6 ActiveX, that gives the look and feel of the Microsoft Outlook UI inside your app.

ActiveX components and ActiveX controls come with a variety of file extensions such as: .exe, .dll and .ocx and these denote a certain type of usage either in-process as part of your program or app (an ActiveX DLL), or out-of-process as a standalone executable (an ActiveX Exe), as an ActiveX control or OCX control mainly used as a UI control on a form or page. Downloadable ActiveX controls are also packaged as .cab files or Cabinet files. These CAB files are packages of files compressed to take up less space and hence can be downloaded more efficiently over the Internet.

In this ActiveX Component gallery you will find a variety of commercial products that are ActiveX objects or ActiveX controls that people sometime refer to as VB controls or as a VB object, as they are often used within Visual Basic. You will find ActiveX Windows components that allow you to carry out visuals tasks, such as an ActiveX UI control for displaying video or images, an ActiveX image control or a non-Visual ActiveX upload component that will allow you to push a file up onto a server over the Internet using HTTP or FTP protocols.

Visual Basic (Controls & Components, Tools & Add-ins)

Microsoft Visual Basic (MS Visual Basic) allows Visual Basic programmers to create Windows applications for their end users fast. Visual Basic developers can extend the standard functionality available inside the Visual Basic IDE with a variety of Visual Basic add-ins and Visual Basic tools. The extensibility of Visual Basic software is one of the main reasons it has proved to be so popular with developers, as Visual Basic software engineers can find Visual Basic downloads from other companies or other developers to act as a Visual Basic extension to their Visual Basic IDE.

The versatility of Visual Basic also extends to various forms of Visual Basic software components. Visual Basic controls can be used to create feature rich Visual Basic user interfaces on forms and Web pages for Visual Basic apps. These Visual Basic UI controls are augmented by non-visual Visual Basic components or Visual Basic libraries that can help a developer add many hidden features in Visual Basic applications running in the background. These non-visual components are commonly available as a Visual Basic library, Visual Basic Class library or as a Visual Basic custom control or ActiveX/OCX component.

An example of a visual Visual Basic control is Janus GridEx, a Visual Basic UI control that allows you to create an MS Outlook style or look and feel to your latest Visual Basic project. A non-visual Visual Basic component example is a Visual Basic compatible product that allows you to create and output files in different formats, such as: PDF, XPS, PostScript, RTF, HTML, XML to help solve file conversion and document storage needs.

The Visual Basic software products listed in this Visual Basic product gallery will allow you to save a lot of time and effort in creating your new Visual Basic app. Whether you are looking for a Visual Basic plug-in or Visual Basic utility, or you are looking for a Visual Basic control or a Visual Basic component, you will be able to find a wide variety of Visual Basic tools to help you finish your project faster.

We also have other Visual Basic product galleries for: Visual Basic 2010, Visual Basic 2008, Visual Basic 2005 and Visual Basic .NET compatible products.

Related News

GdPicture Light Imaging Toolkit launched
Royalty-free OCR, reading, conversion, printing and writing of images in a large variety of formats. March 15, 2011
GdViewer OCX now Windows 7 compatible
Version 4.12.18 also includes 64bit compatibility. March 15, 2011
GdPicture Pro adds 2D DataMatrix option
GdPicture Pro Imaging SDK V5.13.1 adds support for optional 2D DataMatrix barcode recognition plugin. June 14, 2010

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1. GdPicture.NET

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Publisher: GdPicture Primary Category: Image Processing Product Type: Component / .NET Class / ActiveX OCX / ActiveX DLL

Add advanced image processing to your applications. GdPicture.NET is a suite of document imaging toolkits delivered as .NET components enabling developers to compose, display, capture, edit and print documents into .NET applications including ASP.NET web applications. With GdPicture.NET your programs will be able to display documents, acquire image from TWAIN scanners, make image processing, perform optical characters recognition and many other features covering all mainstream areas of document imaging. GdPicture.NET technology supports more than 90 vector and bitmap image formats from 1-bit to 128-bit including High Dynamic Range images, JPEG2000, JBIG, JBIG2, PSD, JPEG, TIFF, PNG and RAW camera. GdPicture.NET can be used on any 32-bit and 64-bit Windows development environment that supports .NET components such as Microsoft Visual Studio .NET and CodeGear RAD Studio. GdPicture PDF plugin, GdPicture XMP Annotation plugin, GdPicture JBIG2 Encoder plugin, GdPicture Forms Processing plugin, GdPicture OCR Tesseract Engine plugin, GdPicture 1D Barcode Reader plugin and GdPicture DataMatrix Recognition plugin are included free of charge in GdPicture.NET 8 Ultimate Edition. You can also buy GdPicture Plugins separately to extend the functionality of any other GdPicture.NET SDK.
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2. GdPicture Light Imaging Toolkit

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Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

OCX Image Processing for Developers. GdPicture Light Imaging Toolkit is an ActiveX image processing component for creating, editing and composing bitmap images. GdPicture Light Imaging Toolkit can perform OCR, read, convert, print and write images in a large variety of formats. GdPicture Light Imaging Toolkit can be used within any 32-bit and 64-bit Windows development environment that supports ActiveX components, including Visual Basic, REALbasic, Visual C++, Delphi, Visual FoxPro, PHP, ASP, MS Word, MS Access, MS Excel, WinDev, PowerBuilder, .NET environments like C# and VB.NET, and many others. GdPicture Light Imaging Toolkit works on Microsoft Windows platforms from Win 98 to Win 7 (32 bit & 64 bit).
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3. GdPicture Pro Imaging SDK

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Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

Display, create, acquire, edit and print images and PDF. GdPicture Pro Imaging SDK is a document imaging toolkit delivered as ActiveX component to display, create, acquire, edit and print images and PDF. GdPicture Pro Imaging SDK supports more than 45 vector and bitmap image formats such as multipage TIFF, GIF, JPEG, PNG, JBIG, WMF, WBMP, PDF & PDF/A, PCX and more. Images can be cropped, converted, rotated, combined, colors can be reduced, filters and effects can be applied. Images can also be scanned from TWAIN devices, OCR can be performed to convert image to text or to build searchable PDF documents. OCR Toolkit using the optional GdPicture Tesseract Plugin. GdPicture Pro Imaging SDK can be used on any 32-bit and 64-bit Windows development environment that support ActiveX / COM components, including Visual Basic 6, VBA, Visual C++, Delphi, Visual FoxPro, PHP, ASP, Access, Windev, PowerBuilder, PowerBasic and many others. Please, note that OCR, barcode recognition and Datamatrix Barcode recognition require the additional purchase of GdPicture Tesseract Plugin, GdPicture 1D Barcode Recognition Plugin and GdPicture DataMatrix Barcode Recognition Plugin.
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4. GdTwain Pro SDK

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Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

An easy to use ActiveX component to control TWAIN devices. GdTwain Pro SDK is an easy to use ActiveX component to control TWAIN devices such as scanners, digital cameras and capture cards. GdTwain Pro SDK also provides a full featured Image Viewer control. With GdTwain Pro SDK you can fully control the image acquisition process, scan images from an automatic document feeder, clean up images, enhance image applying filters like auto border removal, Despeckle, automatic deskew and more. GdTwain Pro SDK can save images to disk or upload to FTP server. GdTwain Pro SDK can be used in any environment of development that supports ActiveX/COM components including Visual Basic 6, VBA, Visual C++, Delphi, Visual FoxPro, PHP, ASP, Access, Windev, PowerBuilder, PowerBasic and many others.
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5. GdTwain SDK

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Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

An easy to use ActiveX component to control TWAIN devices. GdTwain ActiveX is an easy to use ActiveX component to control TWAIN devices such as scanners, digital cameras and capture cards. With GdTwain ActiveX you can fully control the image acquisition process, scan images from an automatic document feeder, clean up images, enhance image applying filters like auto border removal, Despeckle, automatic deskew and more. GdTwain ActiveX can save images to disk or upload to FTP server. GdTwain ActiveX can be used in any environment of development that supports ActiveX/COM components including Visual Basic 6, VBA, Visual C++, Delphi, Visual FoxPro, PHP, ASP, Access, Windev, PowerBuilder, PowerBasic and many others.
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6. GdViewer OCX

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Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

An easy to use Image Viewer and PDF Viewer control. GdViewer OCX is a low-cost and royalty-free OCX Image Viewer and OCX PDF Viewer control that supports a wide range of image formats such as tiff, gif, jpeg, jbig, png, wmf, bmp, wbmp, pdf, pdf/a, pcx, pnm, j2k, jp2, hdr, psd, tga, jng, exr, dds, ppm, sgi, pbm, pgm, pfm, xbm, xpm, koala and iff. GdViewer OCX can be used within any 32-bit and 64-bit Windows development environment that supports ActiveX components, including Visual C++, Visual Basic, REALbasic, Visual Foxpro, Delphi, Visual Studio .Net, MS Access, WinDev and PowerBuilder. With GdViewer OCX, you can view, zoom, print and rotate, define a display area, zoom in on an area, play an animated gif, display multi-page tiff files, display pdf files, define your own zoom in or zoom out values, use the keyboard to scroll down and across images, set an anti-aliasing display mode, and more. Please, note that Image viewer container class is only included in GdViewer Pro ActiveX.
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7. LEADTOOLS Imaging SDK

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Publisher: LEAD Technologies Primary Category: Image Processing Product Type: Component / Add-In / .NET WPF / ActiveX OCX

High level developer toolkit includes ActiveX and WPF/XAML Controls. LEADTOOLS Imaging SDK provides basic and advanced color imaging features for file format import/export, image compression, image display and effects, color conversion, image processing, TWAIN scanning, imaging common dialogs, database integration, printing and Internet.
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8. ImagXpress Professional ActiveX

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Publisher: Accusoft (formerly Pegasus Imaging Corp.) Primary Category: Image Processing Product Type: Component / ActiveX OCX / VC++ Class Library

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9. ImagXpress Standard ActiveX

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Publisher: Accusoft (formerly Pegasus Imaging Corp.) Primary Category: Image Processing Product Type: Component / ActiveX OCX / VC++ Class Library

Perform image compression, decompression, and file conversion with support for over 30 popular image file formats. The ImagXpress ActiveX SDK lets you quickly add imaging functions to your Windows application. With Accusoft Pegasus' powerful imaging tools, you can quickly develop applications that require complex imaging tasks for document imaging, photo processing, or medical applications, while you concentrate on the unique needs of your program. ImagXpress is the image handling engine behind most of Accusoft Pegasus' advanced recognition and image processing products. It's one of the fastest ways to develop professional applications involving images. ImagXpress Standard ActiveX offers a solid set of basic image viewing, printing, scanning, and processing features. Viewing tools, image effects and basic image enhancement are included. Document image cleanup and annotation support are not provided. Includes the ImagXpress, ThumbnailXpress, and TwainPRO components.
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10. FormFix Standard

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Publisher: Accusoft (formerly Pegasus Imaging Corp.) Primary Category: Image Processing Product Type: Component / .NET WinForms / ActiveX DLL

Add identification, form registration, OMR technology to your application. FormFix delivers both .NET and ActiveX COM components offering bitonal template-based form identification, form registration, form drop out, and OMR technology to developers of forms processing applications. Highly flexible and optimized for speed, FormFix's form recognition and form registration improve ICR, OCR, and OMR accuracy. It easily interfaces with Pegasus recognition engines, and with any recognition engine supporting memory-to-memory data transfers. ImagXpress and ScanFix Xpress are included with FormFix for image handling, advanced image cleanup, and TWAIN scanning. Standard Edition is delayed to processing forms at a speed of approximately 5 seconds per page.
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Related News

GdPicture Light Imaging Toolkit launched

GdViewer OCX now Windows 7 compatible

GdPicture Pro adds 2D DataMatrix option

1. GdPicture.NET

Publisher: GdPicture Primary Category: Image Processing Product Type: Component / .NET Class / ActiveX OCX / ActiveX DLL

2. GdPicture Light Imaging Toolkit

Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

3. GdPicture Pro Imaging SDK

Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

4. GdTwain Pro SDK

Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

5. GdTwain SDK

Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

6. GdViewer OCX

Publisher: GdPicture Primary Category: Image Processing Product Type: Component / ActiveX OCX

7. LEADTOOLS Imaging SDK

Publisher: LEAD Technologies Primary Category: Image Processing Product Type: Component / Add-In / .NET WPF / ActiveX OCX

8. ImagXpress Professional ActiveX

Publisher: Accusoft (formerly Pegasus Imaging Corp.) Primary Category: Image Processing Product Type: Component / ActiveX OCX / VC++ Class Library

9. ImagXpress Standard ActiveX

Publisher: Accusoft (formerly Pegasus Imaging Corp.) Primary Category: Image Processing Product Type: Component / ActiveX OCX / VC++ Class Library

10. FormFix Standard

Publisher: Accusoft (formerly Pegasus Imaging Corp.) Primary Category: Image Processing Product Type: Component / .NET WinForms / ActiveX DLL

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