By 3 Leaf Solutions, Sean Campbell
Consultant presents observation on one hundred and one totally executable code samples. every one code pattern demonstrates middle beneficial properties and capabilities of visible easy .NET and the .NET Framework, explains the underlying programming thoughts, and offers an entire code walkthrough. For starting and intermediate .NET builders and visible easy 6 builders. Softcover.
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Additional resources for 101 Microsoft Visual Basic .NET Applications
With a StringWriter, you have, in effect, an in-memory file to which you can write at will. IO namespace. Figure 2-3 shows the String Manipulation sample application in action. NET. Code Walkthrough For clarity in this walkthrough, we&"emphasis">CInt(strParam1), strParam2, and so forth. We’ll examine each method in the sequence presented on the form’s tabs. Unless we say otherwise, the original sample string is “the quick brown fox jumps over the lazy dog”. Keep in mind that the indexes used are zero-based.
Some guidelines on using custom exceptions include: • Think carefully before you create a custom exception, and do so only if you’re sure there isn’t already a built-in one that meets your needs. Open statement. • Don’t use a custom exception for controlling program flow. Creating Custom Exceptions To create a custom exception, you must create a class that defines the exception. Exception class. ApplicationException. SystemException, which represents exceptions thrown by the common language runtime itself.
35) • Join When you have an array that you want to convert into a single string, Join fills the bill. It lets you specify a separator character between the joined elements. Result below: “item1/item2/item3/item4”. Join("/ ", astrValues) The StringBuilder Class As we mentioned earlier, the StringBuilder class streamlines your string handling. NET Language 37 another, and add a string to the end of the original one. StringBuilder has an Append method, but because we want to format the number of minutes, we use the AppendFormat method, which mimics the Format method of the String class.
101 Microsoft Visual Basic .NET Applications by 3 Leaf Solutions, Sean Campbell