If tomorrow never comes

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2009年4月17日

const和readonly(二)

摘要： The readonly keyword is a modifier that you can use on fields. When a field declaration includes a readonly modifier, assignments to the fields introduced by the declaration can only occur as part o... 阅读全文

posted @ 2009-04-17 21:10 Brucegao 阅读(265) 评论(0) 推荐(0) 编辑

const和readonly(一)

摘要： The const keyword is used to modify a declaration of a field or local variable. It specifies that the value of the field or the local variable is constant, which means it cannot be modified. For exa... 阅读全文

posted @ 2009-04-17 21:03 Brucegao 阅读(333) 评论(0) 推荐(0) 编辑

ref和out异同

摘要： 1、ref和out是.NET里面的两个关键字。2、ref: The ref keyword causes arguments to be passed by reference. The effect is that any changes to the parameter in the method will be reflected in that variable when contro... 阅读全文

posted @ 2009-04-17 20:49 Brucegao 阅读(477) 评论(0) 推荐(0) 编辑