CodeGuru Staff

by Dino Esposito of Wintellect The XmlValidatingReader class is an implementation of the XmlReader class that provides support for several types of XML validation: Document Type Definitions (DTD), XML-Data Reduced (XDR) schemas, and XML Schemas (XSD). You can use the XmlValidatingReader class to validate entire XML documents as well as XML fragments. The XmlValidatingReader Class […]

Click here for a larger image. Environment: .NET, ASP.NET, C# Keywords: GnuPG, PGP, Cryptography, Thread, Process, Command Line Program GnuPG Wrapper This article presents GnuPGWrapper v1.0, a wrapper class for GnuPG. GnuPG stands for GNU Privacy Guard and is GNU’s tool for secure communication and data storage. It can be used to encrypt data and […]

Environment: Windows and MFC Most of the material in this article discusses the processing of keyboard messages in dialogs and MFC form views. Much of this also applies to other types of windows. Topics covered are: A summary of dialogs, controls, and keyboard messages The WM_GETDLGCODE Message for processing most any key typed in a […]

Environment: .NET, Visual Basic Abstract Based on a real-world project, this article shows how to handle XML data in .NET using C# DataSets and DataViews. The article presents, step by step, how to bind, read, and view XML data and generate graphical reports with the built-in Crystal Reports engine. The article puts special emphasis on […]

Environment: VC6 SP5, Windows 2000 SP2, and Windows XP SP1 The main reason for writing this article is that Visual C++ 6.0 wizards-generated MFC applications don’t use the XP look and feel controls if you run them under XP. If you are using Microsoft Visual C++.NET, that is not an issue. I had a goal […]

Environment: VC6, ATL The easiest way to add XML persistence to an existing IDispatch-based ATL COM object. Introduction Think, how many times have you wanted to add PersistXML support to your existing ATL COM object? It is true that it is supposed to be as easy as adding the IpersistPropertyBagImpl or IpersistStreamInitImpl ATL templates. Moreover, […]

This article was contributed by Anand Narayanaswamy. In a previous article, we have seen a sneak preview about event handling in C#. In this article, we will examine the concept in detail with the help of relevant examples. Understanding the Basic Technique Actions and events serve an important part in every GUI-based application. These are […]

Click here for a larger image. Environment: VC6 , Win 9x/NT/2K/XP Reading/Writing disk sectors is done differently in win 9x and win NT/2K/XP. Windows 9x Windows 9x provides a vxd called vwin32.vxd using which msdos functions including absolute disk read/write can be performed. A handle to vwin32.vxd must be first created using the CreateFile function. […]

Using CopyFile and FindFirstFile win32 base API to recursively copy a directory in code. . Environment: Tested on VC6 for 2000 sp3: I always needed something similar to the xcopy command in code. I finally got around to writing something. This code consists of four functions that reproduce the results of using the following xcopy […]

Environment: VC In same circumstances, developers need to write applications with graphics file export of its own drawings. A common case of graphical export is the Windows metafile (wmf), bitmap, and few other standard raster formats, such as tiff, jpeg, and png. You also need to include the possibility to choose the resolution and color […]

Environment: VC6 SP5, WIN2K SP2 This is a template class for creating hovering controls. It uses the _TrackMouseEvent method to recieve notifications regarding mouse events. To use it, you need to create a new class deriving from the desired type (CButton, CEdit, and so forth) and add the template code there. You also need to […]

Environment: DOC View This is in response to the column “Multiple File Select in File Open Dialog” under the section “Document—View/Misc.” Instead of creating a new class (derived from CDocManager), I felt that I could accomplish the same functionality in a simpler way. I have already implemented a code in which I get the file […]