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A simple Windows Forms Login Control component  Version: 0.00     Price: $0.00  
Total Hits: 16  |  Today: 0Author: Erik Schmidt      Rating:  
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LoginControl is a simple and free Windows Forms component written in C#. The text displayed by the form can be customized via properties. The verification of Username and Password can be performed by the component itself or by the host application.

Just compile the project and add logincontrol.dll to your Toolbar. After adding the control to your form you are able to change the properties to whatever you like the component to display....

Testing .Net Components Using NUnit  Version: 0.00     Price: $0.00  
Total Hits: 11  |  Today: 0Author: Ian Stallings      Rating:  
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"Hey, I'm having a problem with this timesheet application I'm working on. The piece that stores employee info isn't working correctly" I said to our resident alpha geek as he popped his head into the cubicle. "Ok, lemme see. Where are your unit tests?" he said. "uhm, I haven't written them yet" feeling a mental backlash coming. "Well then it works. At least you have nothing to say it doesn't work right?" he says walking away. Mental note - "Write unit tests before starting development". Writing...

MSI for a .NET COM component with NAnt  Version: 0.00     Price: $0.00  
Total Hits: 10  |  Today: 0Author: stoyac      Rating:  
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This article describes a very simple COM component created with C# and the way, how to deploy it as an MSI installation file created with NAnt and NAntContrib. The created MSI will build and install the COM component so that it can be used from VBS and C++ clients. The created type library can be also used from a VBA code after few manual operations as well....

C# 4.0: COM Interop Improvements  Version: 0.00     Price: $0.00  
Total Hits: 24  |  Today: 0Author: Paulo Morgado      Rating:  
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Dynamic resolution as well as named and optional arguments greatly improve the experience of interoperating with COM APIs such as Office Automation Primary Interop Assemblies (PIAs). But, in order to alleviate even more COM Interop development, a few COM-specific features were also added to C# 4.0....

Using COM objects in scripting languages -- Part 1 (Tcl/Tk)  Version: 0.00     Price: $0.00  
Total Hits: 23  |  Today: 0Author: Sharjith      Rating:  
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We see COM objects being used mostly in scripting languages like VBScript and JavaScript. In this article I would like to show you how to use it in the Tcl/Tk scripting language. This article assumes that the reader already has good understanding of COM. This article also cannot be good to understand Tcl/Tk fully. The reader is expected to get hold on Tcl/Tk using other available resources. This article is intended only to demonstrate the use of COM objects in Tcl/Tk. Before showing how to insta...

A .NET component for localizing string and message boxes  Version: 0.00     Price: $0.00  
Total Hits: 38  |  Today: 0Author: vtpdawg      Rating:  
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Localization has become an important feature of many modern applications. In .NET, resource files and the Windows Forms Designer make localization of UI components straightforward, however, there are certain shortcomings. The code included in this article addresses some of the deficiencies, namely localization of string values and message boxes....

Marshaling Unions  Version: 0.00     Price: $0.00  
Total Hits: 25  |  Today: 0Author: Mohammad Elsheimy      Rating:  
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You can marshal a union the same way you marshal structures. However, because of the way that unions laid-out into memory, you will need to explicitly set variable positions inside the type....

Walkthrough: Authoring a Simple Multithreaded Component with Visual C#  Version: 0.00     Price: $0.00  
Total Hits: 21  |  Today: 0Author: Microsoft Corporation      Rating:  
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The BackgroundWorker component replaces and adds functionality to the System.Threading namespace; however, the System.Threading namespace is retained for both backward compatibility and future use, if you choose. For more information, see BackgroundWorker Component Overview....

Walkthrough: Authoring a Simple Multithreaded Component with Visual C#  Version: 0.00     Price: $0.00  
Total Hits: 21  |  Today: 0Author: Microsoft Corporation      Rating:  
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The BackgroundWorker component replaces and adds functionality to the System.Threading namespace; however, the System.Threading namespace is retained for both backward compatibility and future use, if you choose. For more information, see BackgroundWorker Component Overview....

COM Component Compatibility  Version: 0.00     Price: $0.00  
Total Hits: 20  |  Today: 0Author: Microsoft Corporation      Rating:  
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Most COM components will work with ASP.NET. As with previous versions of Active Server Pages (ASP), you can still make late-bound calls to your components using CreateObject Function (Visual Basic). For more information, see COM Interoperability in .NET Framework Applications....

LWDbComponents - Another Database Component  Version: 0.00     Price: $0.00  
Total Hits: 44  |  Today: 0Author: Luis Angel R.C.      Rating:  
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In this article, I'm going to try to explain how to use the database components that I've been creating and extending over the past years. I'll try to explain, of course, why I think they are useful and better, at least for my needs, than other DB Components out there... even better than the MS Enterprise Library 2.0. Of course, talking only about DB access. The Enterprise Library brings a lot of good functionality and practices all in one, not covered by this library....

Use STA COM Objects Asynchronously  Version: 0.00     Price: $0.00  
Total Hits: 23  |  Today: 0Author: Shao Voon Wong      Rating:  
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This article is written for advanced users who knows STA COM apartments inside out and it will not explain the basic COM concepts here. If you need to grasp the basic grounding of COM, you can read the beginner COM articles available on The Code Project. Many a time, when we call a COM object function which takes a long time to complete, our main thread and UI are stalled by this function, until the function completes its operation. Then we attempt to use Global Interface Table or CoMarshalInter...

A COM class (DLL) for embedding an embeddable OLE object  Version: 0.00     Price: $0.00  
Total Hits: 27  |  Today: 0Author: William.Wang      Rating:  
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Using MFC, we can easily develop an ActiveX container application, but unfortunately, it only works with the doc/view architecture as an executing file. If you want to embed an OLE embeddable object but your program is not an executable program and it has to be a DLL (for example, for many kinds of plug-ins, they work as DLL files), then this article will give you help....

COM in plain C, Part 2  Version: 0.00     Price: $0.00  
Total Hits: 32  |  Today: 0Author: Jeff Glatt      Rating:  
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In the first part of this series, we created a COM component in plain C, packaged it into a DLL, and learned how to register it so that it could be used by any C/C++ application. We also created a C/C++ include file (IExample.h) that contained our GUIDs and the definition of our object's VTable (functions). By including this .H file, a C/C++ application knows what the names of our object VTable's members are (to call our functions), what arguments to pass, what the functions return, and what the...

Exposing .NET Components to COM  Version: 0.00     Price: $0.00  
Total Hits: 35  |  Today: 0Author: Nick Parker      Rating:  
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Working as a developer prior to the advent of the .NET Framework really makes one appreciate the rich number of classes the Framework supports right out of the box. Many times however one may need to be working in the unmanaged world and would like to invoke one of those readily available classes provided in the managed world. Since I have been playing around with .NET for a while, I have learned many of the great classes available within the .NET Framework. SimonS recently posted a question in ...

COM in plain C, Part 6  Version: 0.00     Price: $0.00  
Total Hits: 40  |  Today: 0Author: Jeff Glatt      Rating:  
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When creating an application, it's desirable to provide the end user with a "macro language" he can use to write scripts (i.e., text files containing "instructions" or "commands") which control the operation of your application. For example, if you've created an email program, perhaps you'd like to let the end user write some script which can send an email to a particular address. To do that, perhaps your macro language will provide a SendMail function that the script calls, passing an email add...

Form Placement Component  Version: 0.00     Price: $0.00  
Total Hits: 57  |  Today: 0Author: Alvaro Mendez      Rating:  
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Right after I had published the Profile article, I went back to the small Windows app I had been working on to add the code that would save the form's position and size upon closing and then show it the same way next time. I added handlers for the Load and Closed events, and added the proper code to save and restore the position and size values using my Registry profile class. The code just used the form's Position, Size, and WindowState properties, and it worked fine... except for one small pro...

Using Word's spellchecker in C#  Version: 0.00     Price: $0.00  
Total Hits: 38  |  Today: 0Author: nyland      Rating:  
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I had written a program in C# in which a spellchecker could be useful. Since I had a hard time finding any information on the net or in the MSDN Library for .NET, on how to use Word's spellchecker from a C# application I was wondering if it was because it was a trivial affair to program, something only a few people would use or because it was actual difficult to program. I decided to dig deeper into it. A VBA script that I found on the net convinced me that it would be possible to find a solutio...

ADO Data Access through COM Interop in .NET  Version: 0.00     Price: $0.00  
Total Hits: 46  |  Today: 0Author: Kannan Kalyanaraman      Rating:  
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This is my first article submitted for CodeProject. I have always wanted to submit articles for CodeProject, but couldn?t do so for various reasons. Now somehow, I have managed to post this article. Hope you guys enjoy it as much as I enjoyed writing this one....

Optical Mark Recognition with DotImage     
Total Hits: 73  |  Today: 0Author: Lou Franco      Rating:  
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Standardized tests use bubble sheets to make grading large numbers of test easy. Typically, these are done with a specialized machine that can scan, recognize and grade the sheets, but using Optical Mark Recognition techniques, we can simulate this with a normal scanner and software. This article will take you through the steps of recognizing the marks on standard forms using the image processing functionality in DotImage....


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