ActiveX Components (ActiveX Controls, COM Objects & OLE Objects) - Top Reviews

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.

351. WebCab Probability and Statistics for .NET

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Publisher: WebCab Primary Category: Maths and Stats Product Type: Component / .NET Web Service / 100% Managed Code / ActiveX DLL

Add Statistics, Discrete Probability, Standard Probability Distributions, Hypothesis Testing, Correlation and Linear Regression functionality to your .NET, COM, and XML Web service Applications. WebCab Probability and Statistics for .NET consists of 5 main modules. The Statistics module incorporates evaluation procedures of standard quantitative measures of centrality (mean) and dispersion of (discrete) numerical sets. The Discrete Probability module encapsulates the foundations of discrete probability and discrete probability distributions. The Standard Probability Distributions Module assists in the development of server-side applications that incorporate the Binomial, Poisson, Normal, Lognormal and Pareto probability distributions. The Confidence Intervals and Hypothesis Testing Module presents two aspects of inferential statistics known as confidence intervals and hypothesis testing.
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352. KDCalc

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Publisher: Knowledge Dynamics Primary Category: Spreadsheet Product Type: Component / Add-In / ASP.NET WebForms / .NET Class / 100% Managed Code / COM Add-in for Office 2000 / Java Class

Generate enterprise web applications and executive dashboards from your Excel spreadsheets, including active charting, high-speed calculations, and rich interfaces. KDCalc converts your Excel spreadsheets into client or server applications that run without Excel. KDCalc compiles your Excel cell formulas and data into high-speed calculation engines, and also generates ASP.NET, ASP Classic, JSP, and HTML user interface applications that have the same look and interactivity as your formatted spreadsheets, now including forms controls and live charting! The most common use of KDCalc is to execute Excel spreadsheet models as server applications, free from the scalability and throughput limitations of Excel. KDCalc has built-in features that facilitate failover, load balancing, and XML-based recalculation. Designing, Building, and Testing your complex business applications and dashboards with Excel and KDCalc can be as much as 50 times faster than hand-coding in Java, C#, or VB.NET.
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353. MM Contours ActiveX Control

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Publisher: MapMakers Group Primary Category: Mapping and GIS Product Type: Component / ActiveX OCX

Create contour plots and shaded plots from randomly placed data. MM Contours ActiveX Control (former MM Fields) is designed to visualize the data given in the random set of points defined by coordinates x and y and value v. The component provides the algorithm of construction of a regular grid from your data. It can visualize your data in the form of contour and/or shaded plots. The component provides automatic tuning of interpolation parameters, contouring and shading giving you fast results. Drawing of axes, legend and title is now supported.
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354. EasyMail Objects SSL Plug-in

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Publisher: Quiksoft Corporation Primary Category: Secure Email Product Type: Component / Add-In / ActiveX DLL / DLL

Communicate to e-mail servers over SSL connections. The plug-in interfaces with the SMTP, POP3 and IMAP4 objects to provide the SSL services. Integrating the SSL Plug-in into your application requires only a few lines of code.
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355. VsamEx[treme]

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Publisher: Software Source Primary Category: Data Storage Product Type: Component / ActiveX OCX / DLL / Static Link Library

High speed database engine. VsamEx[treme] is a very fast ISAM Database Engine for Shared Network Access, with Full Record Locking, Variable Length Records, Multiple Indexes, Ad Hoc Searching and much more. It is compatible with .Net, C++, VB, PowerBASIC, DELPHI and now has enhanced SHA based Encryption.
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356. WebCab TA for .NET (Community Edition)

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Publisher: WebCab Primary Category: Financial Product Type: Component / .NET WinForms / .NET Web Service / 100% Managed Code / ActiveX DLL

COM, .NET and XML Web service providing 25+ technical indicators which can be used in the construction of technical trading systems. WebCab TA (.NET Community Edition) used in conjunction with the included ADO mediator will enable you to iteratively apply these indicators to historical data stored within a DBMS.
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357. WebCab Options for .NET

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Publisher: WebCab Primary Category: Financial Product Type: Component / .NET WinForms / 100% Managed Code / ActiveX DLL

3-in-1: .NET, COM and XML Web service Components for pricing option and futures contracts using Monte Carlo and Finite Difference techniques. WebCab Options for .NET implements the General Monte Carlo pricing framework: wide range of contracts, price, interest and volume models. Price European, Asian, American, Lookback, Bermuda and Binary Options using Analytic, Monte Carlo and Finite Difference in accordance with a number of volume, price, volatility and rate models.
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358. WebCab Optimization for .NET

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Publisher: WebCab Primary Category: Maths and Stats Product Type: Component / .NET Class / .NET Web Service / 100% Managed Code / ActiveX DLL

Add refined procedures for solving and performing sensitivity analysis on uni and multi dimensional, local or global optimization problems which may or may not have constraints; to your .NET, COM and XML Web service Applications. WebCab Optimization for .NET includes Specialized Simplex Linear programming algorithm, including sensitivity analysis with respect to object functions coefficients or linear boundaries using a duality or direct approach.
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359. WebCab Functions for .NET

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Publisher: WebCab Primary Category: Maths and Stats Product Type: Component / .NET WinForms / .NET Class / .NET Web Service / 100% Managed Code / ActiveX DLL

Add refined numerical procedures to either construct a function of one or two variables from a set of points (i.e. interpolate), or solve an equation of one variable; to your .NET, COM, and XML Web service Applications. WebCab Functions for .NET includes interpolation procedures covering Newton polynomials, Lagrange's formula, Burlisch-Stoer algorithm, Cubic splines (natural and free), Bicubic interpolation and procedures for find the interpolation functions coefficients. In order to solve an equation we provide the Van Wijngaarden-Dekker-Brent algorithm, interval bisection method, secant and false position, Newton-Raphson method and Ridders' method.
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360. Global Majic Knob

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Publisher: Global Majic Software Primary Category: Instrumentation Product Type: Component / ActiveX OCX

Control data input with a configurable knob. Global Majic Knob is an ActiveX component that creates a graphical knob that you can use for interactive data input, process control, realtime adjustments, and the like. It can be controlled via property pages, even at runtime, and all changes are dynamic. Possible uses include: VCR Jogging Component, Tuning Knob, Audio or Video Mixer, Volume Knob, Input Control Knob, Aircraft or Automobile Dial, etc.
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ActiveX Components (ActiveX Controls, COM Objects & OLE Objects) - Top Reviews