When you resize a ListView control (this happens automatically if the ListView is docked to the form, and the user resizes the form), it’s nice to have the last column
‘ Change the extension of a file name’ if the last argument is True, it adds the extension even if the file doesn’t ‘ have oneFunction ChangeFileExtension(ByVal FileName As String,
Sometimes you may need to hide or show some pages of a TabControl according to the information you want to show, basing on the currently logged-in user for example (users
‘ This class does the owner drawing of a MenuItem to draw a color box.’ The class inherits from MenuItem, thus the ColorMenuItem objects’ can be added to a parent
‘ Not all fonts support the same styles. This function takes in ‘ input a font family and a font style, and returns a font style’ which is safe for
icrosoft’s recent release of the SQL Server 2000 Driver for Java Database Connectivity (JDBC) reminded me of my first big Java project. I worked on a basic two-tiered system in
You can extract RGB values out of a 32-bit color value by using the integer division and the MOD operators, but there is a much more effective way, based on
eductionism is an ongoing attempt to explain complex ideas in terms of a relatively few simple or primitive ones. As such, reductionism is the heart of programming. Over the past
he concept of threaded programming isn’t new; most modern operating systems provide support for threads in some fashion. However, as widespread as threads are, the number of developers who have
avaJe XE 1.0 (recently renamed SavaJe OS) is an operating system designed for mobile devices, in particular the Pocket PC-based Compaq iPAQ. The thing that makes SavaJe noteworthy is that
ecause Oracle does not provide a tool for outputting messages in real-time, Oracle database developers have always faced the challenge of monitoring their stored procedure execution in real-time. They’ve had
he first step in my initiation as a SQL Server admin came after only a week or two on the job. I was confronted with a message that made my
‘ Add a style to the selection of a RichTextBox,’ without deleting the current styles that may be already’ present in the selection or in portions of it” Example: AddFontStyle(richTextBox1,
‘ Remove a style from the selection of a RichTextBox’ Example: RemoveFontStyle(richTextBox1, FontStyle.Bold)Public Sub RemoveFontStyle(ByVal rtb As RichTextBox, _ ByVal style As System.Drawing.FontStyle) ‘ if the selection length is >
‘ Copy the RichTextBox’s selected text into the Clipboard’ Example: CopyFromRichTextBox (richTextBox1)Public Sub CopyFromRichTextBox(ByVal rtb As RichTextBox, _ Optional ByVal availableAfterEnd As Boolean = False) Dim data As New DataObject()
‘ Set the specified font to the selection of a RichTextBox’ Note: require GetSafeStyleForFontFamily” Example: SetFontFamily(richTextBox1, “Times New Roman”)Public Sub SetFontFamily(ByVal rtb As RichTextBox, ByVal fontName As String) Dim fontFam
‘ Paste the text currently in the Clipboard into the specified RichTextBox’ Example: PasteIntoRichTextBox (richTextBox1)Public Sub PasteIntoRichTextBox(ByVal rtb As RichTextBox) ‘ get the data currently in the Clipboard Dim data
‘ Set the specified font size to the selection of a RichTextBox’ Example: SetFontSize(richTextBox1, 16)Public Sub SetFontSize(ByVal rtb As RichTextBox, ByVal fontSize As Single) ‘ if the selection length is
he Web services programming model is breaking down the barriers of cross-platform and cross-language communications. Because it works through simple XML-formatted text messages, code written in any language should be
oftware systems rarely remain static once they are put into production. Most businesses undergo changes to their processes and so the systems that support them must constantly be modified to
Usually in your application you use two different types of lookup query; the first one is for retrieving a page of records (or all records) to populate a pick list,
he classes in the java.io and java.nio packages make it easy to read and write just about any kind of data?such as bytes, or arrays of bytes. Other classes make
atching the effects of economic deterioration on IT departments over the last two years has been incredibly depressing. But such observance has provided moments of clarity, among them this sad
ChoiceList is an ActiveX control that allows the programmer to present a user with a list of choices and encapsulates the code necessary to allow the user to select one,
The ASP.NET version of the Server.Transfer method accepts a second argument which, if true, causes the query string and all the form’s fields to be transferred and made available to
A common mistake when creating a .NET component that runs under Component Services – that is, a class that inherits from ServicedComponents – is that you forget to assign a
All ADO.NET applications require MDAC 2.6 or later (MDAC 2.7 is recommended). MDAC 2.7 comes with Visual Studio .NET but no MDAC version is included in the Microsoft .NET Framework
The ChangeDatabase method of the ADO.NET Connection object requires an open connection to execute correctly. Even if the connection is open, you can still have an InvalidOperationException when invoking this
At times you get the error “Could not copy temporary files to the output directory” when compiling a VB.NET or C# project from inside Visual Studio. Here are some of
he media, particularly over the past decade, has made a huge point of discussing how fast computer technology changes. Terms such as “Internet years” and “Moore’s law” have been used