Method Parameters
In C#, method parameters default to “by value.” C# does, however, provide for other types of method parameters. You can specify method parameters by using the keywords out, ref, or params.
out
Values passed as out parameters reflect any changes made to them while inside the method they were passed. This capability can be useful when multiple values need to be returned from a method. Listing A.29 shows the use of out parameters.
Listing A.29. Using an out Parameter
1: using System; 2: 3: class Rectangle{ 4: 5: private int Length = 0; 6: private int Width = 0; 7: private int Height = 0; 8: 9: public Rectangle(int length, int width, int height){ 10: Length = length; 11: Width = width; 12: Height = height; 13: } 14: 15: public ... |
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