海鸥航迹

摘要： The following code won't work, because conn goes out of scope before you enter the catch block. try { Connection conn = new Connection(); conn.Open(); } ... 阅读全文

摘要： No. While Generic types do have a similar syntax to C++ templates, they are instantiated at runtime as opposed to compile time, and they can be reflected on via meta-data. Also, in Generics, member ... 阅读全文

摘要： When performing any action on a control which requires the updating of a user interface element (e.g. setting the Text property on almost any class derived from Control, updating the data source behin... 阅读全文

摘要： If you set a property on a Windows Forms control which forces the creation of the control (e.g. the SelectedIndex property on the ComboBox class), the control (and perhaps the rest of the form) w... 阅读全文

摘要： Delegates require information about the type that the method is associated with in order to make a call. In a single app-domain, this isn't a problem, because the server (the object firing the e... 阅读全文

摘要： Q: Why does C#'s iterators feature spit out a class definition instead of a struct definition? The iterators feature in C# generates classes that implement the enumerators required. This is detailed... 阅读全文

摘要： Posted by: Duncan Mackenzie, MSDNThis post applies to Visual C# .NET 2002/2003 Suppose you want to run a command line application, open up another Windows program, or even bring up the default web bro... 阅读全文

摘要： Refer to the System.Threading namespace on MSDN for full details. Meanwhile here is a quick taste. using System; using System.Threading; class ThreadTest { public void Runme() { ... 阅读全文

摘要： C# does not support an explicit fall through for case blocks (unless the block is empty) For an explanation of why, see Why is the C# switch statement designed to not allow fall through, but still re... 阅读全文

摘要： 了解在 ADO.NET 中对于从您的数据源访问元数据的增强支持。 文章太长，点击此阅读全文 阅读全文