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SysTray from .NET
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| Total Hit (1800) |
The .NET Framework includes a NotifyIcon component but this unfortunately doesn't support InfoTip (balloon) notification; at least, not in v1.0 of the Framework. This sample provides an equivalent class which uses the Shell code directly to allow all the tooltip facilities to be used.
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Associations
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| Total Hit (1721) |
Applications such as WinZip add new items to Explorer's File and context menus for all files and folders on the system. Although WinZip uses Shell Extensions to achieve this, it is much easier to do using verbs. This article demonstrates how to use the .NET Registry classes to add new shortcut verbs
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Creating and Modifying Shortcuts
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| Total Hit (1857) |
This article provides a .NET class wrapper around the ShellLink object which enables you to read, create and modify Shortcuts under any version of Windows. As a bonus, you also get an Icon Picker implementation which demonstrates how to extract all the Windows icon resources from any executable or D
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System Image List
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| Total Hit (2645) |
Although you can easily extract copies of icons for any file from the Shell using the SHGetFileInfo call, if you need to be able to display the icon for a large number of files you can end up with too many icons and run out of resources. The System Image List uses an intelligent caching technique to
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Getting File Icons Using The Shell
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| Total Hit (1613) |
The .NET Framework doesn't provide much in the way for classes to interact with the Shell. This article provides a simple class which wraps the Shell's SHGetFileInfo to extract large and small icons plus the display name and file type for any file.
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Auto-File and URL Completion for Text Boxes and Combo Boxes
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| Total Hit (1724) |
Version 5 of the Shell, shipped with Windows 2000 and ME or above, provides the ability to add Auto-Complete to any Text Box. This sample provides two simple extensions to the TextBox and ComboBox classes to add AutoComplete to your application.
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Calculating CRC32 (and MDA5 and SHA-1) From .NET
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| Total Hit (2572) |
The CRC (Cyclic Redundancy Checksum) algorithm is a highly optimised and powerful way of checking whether a large number of bytes have been modified or not. The algorithm scans through all the bytes and generates a 32 bit number to represent the contents - small changes in the file contents result i
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Using Animated Cursors in .NET
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| Total Hit (2008) |
The Cursor class provided with System.Windows.Forms doesn't support animated cursors - but this tiny class lets you use them interchangably with the existing .NET Framework cursors. Also provided with the code is a technique for drawing cursors directly onto forms and animating on a background threa
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A .NET Implementation of the ZoomIn Utility
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| Total Hit (2339) |
The ZoomIn Utility enables you to look at any area of the screen and capture the display. This can be an excellent way to snip graphics from other applications or to work out the exact details of how other controls are drawn. A copy of this is provided along with Visual Studio as a tool and also as
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Painting in the MDI Client Area
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| Total Hit (2516) |
Although the .NET Framework Form allows you to set a background bitmap or color for the MDI Client area, there's no direct way to draw onto the area to customise it. This sample demonstrates how to create an object which derives from NativeWindow to intercept the messages from the MDI Client area an
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Enumerating Windows
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| Total Hit (2024) |
This sample provides a class wrapper around the EnumWindows and EnumChildWindows API calls for use in .NET.
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NetProjectZip
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| Total Hit (862) |
NetProjectZip is an update of the VBPZip utility for VS.NET Projects and Solutions. The idea of the project is to make it easier to copy the important parts of a project or solution without any of the unnecessary files created as part of the build or IDE's working.
In VB, zipping was a fairly dif
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ConsoleAttributes
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| Total Hit (2017) |
The ConsoleAttributes allows you to change the default behaviour of the console class. You can modify several attributes (like ForeColor, BackColor, Echo Input etc), and you can move the cursor around.
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How Do I Develop a Backup and Restore Strategy?
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| Total Hit (1135) |
One of the most critical aspects of administering SQL Server is the Backup and Restore or Disaster Recovery strategy. Frequent questions in this forum indicate a general lack of knowledge and planning for backup and restore operations.
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Shrinking Databases and Logs - SQL 7 and Higher
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| Total Hit (2021) |
SQL 7 and SQL 2000 allow automatic file growth. Therefore, the files can grow large. It is important to understand how to reduce the database and log files sizes.
There are two DBCC commands to help shrink databases and files. Both are needed to reduce and maintain file sizes.
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How do I know what type of index to create?
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| Total Hit (1430) |
We get a lot of index questions related to what type of index should be created given a particular situation. I compiled the items below from books-online to facilitate this discussion:
Before creating clustered indexes, understand how your data will be accessed.
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How to Schedule a Job Programatically with VB
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| Total Hit (929) |
First off, set a reference to Microsoft SQL-DMO in your VB project. You will need to have SQL Server 7 installed on your box for this. I haven't tried this under SQL 2000 or SQL 6.5
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Highlighting and Shadowing Image List Images
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| Total Hit (2103) |
For some reason, the System.Windows.Forms.ImageList does not provide a Draw method that allows an image to be drawn highlighted or selected, even though this is part of the basic functionality of the underlying ComCtl32 ImageList. This article provides a method of drawing selected and lightened imag
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Simple Interprocess Communications using WM_COPYDATA
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| Total Hit (2454) |
Whilst the .NET Framework has some very sophisticated techniques for communication between processes on different machines, it doesn't provide so much support for communication between processes on the same machine. The Windows API offers a rich set of inter-process communications features, at vario
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Adding Mouse Gesture Support to .NET Windows Applications
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| Total Hit (2103) |
Use of mouse gestures to control application is becoming increasingly common in the more sophisticated web browsers. This sample demonstrates how you can support a range of mouse gestures in .NET Windows Forms Applications by implementing an IMessageFilter. VB.NET and C# code provided.
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Receiving and Using Clipboard Change Notifications
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| Total Hit (2362) |
Clipboard support in the .NET Framework is fairly comprehensive, however, support for notification of clipboard changes is not provided. Knowing when the clipboard changes makes building an application with a toolbar containing a Paste button simpler; it also enables you to store a history of clipbo
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Subclassing In .NET
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| Total Hit (2127) |
In VB 5 and 6, subclassing was something of a pain. To do it at all you needed a raft of cunning hacks and had to keep a very careful track on which object was subclassing what. All of that pain is removed in .NET with the System.Windows.Forms.NativeWindow class, which makes it almost trivial to pro
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HotKeyForm
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| Total Hit (1985) |
One of the Windows API features which isn't included in the .NET Framework is setting up and receiving notifications from system-wide HotKeys. This article presents an extended version of System.Windows.Forms.Form which adds HotKey functionality.
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