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// Make a StringBuilder with an initial size of 256



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[book] [en] Pro C# 2008 and the NET 3.5 Platform Fourth Edition

// Make a StringBuilder with an initial size of 256.

StringBuilder sb = new StringBuilder("**** Fantastic Games ****", 256);

If you append more characters than the specified limit, the StringBuilder object will copy its

data into a new instance and grow the buffer by the specified limit. Figure 3-14 shows the output of

the current helper function.

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C O R E   C #   P R O G R A M M I N G   C O N S T R U C T S, PA RT   I



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8849CH03.qxd  9/24/07  11:07 AM  Page 93




Figure 3-14.

The StringBuilder is more efficient than string.



Source Code

The FunWithStrings project is located under the Chapter 3 subdirectory.



System.DateTime and System.TimeSpan

To wrap up our examination of core data types, allow me to point out the fact that the System name-

space defines a few useful data types for which there is no C# keyword—specifically, the DateTime

and TimeSpan structures (I’ll leave the investigation of System.Guid and System.Void, as shown in

Figure 3-6, to interested readers).

The DateTime type contains data that represents a specific date (month, day, year) and time

value, both of which may be formatted in a variety of ways using the supplied members. By way of a

simple example, ponder the following statements:




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