In the code snippet picker, it is located in Visual Basic Language. For more information, see How to: Insert Snippets Into Your Code (Visual Basic). VB 复制 Public Class Shape ' Definitions of properties, methods, fields, and events. End Class Public Class Circle : Inherits Shape ' ...
To facilitate the use of structured exception handling, Visual Basic provides the ability to separate standard code from exception handling code. Exception handling code accesses an instance of theExceptionclass, which allows you to retrieve information about any exception you encounter. ...
请参阅Access levels in Visual Basic。 Shadows可选。 请参阅Shadows。 MustInherit可选。 请参阅MustInherit。 NotInheritable可选。 请参阅NotInheritable。 Partial可选。 指示类的部分定义。 请参阅Partial。 name必需。 此类的名称。 请参阅Declared Element Names。
此生存期开始于 New 运算符 (Visual Basic) 子句或函数(如 CreateObject)创建实例时, 结束于指向实例的所有变量都已设置为 Nothing (Visual Basic) 或其他类的实例时。类默认为 Friend (Visual Basic) 访问。 可以使用访问修饰符来调整它们的访问级别。 有关更多信息,请参见 Visual Basic 中的访问级别。
Prior to the availability of Microsoft® Visual Basic® .NET, Visual Basic programmers did not have this capability. In Visual Basic .NET, you are able to inherit from classes that ship in the Microsoft .NET Framework, as well as from classes that you create. In this document, you ...
Predefined collections are used in Visual Basic applications for many purposes, for example the Control.ControlCollection on a Form, returned by the form's Controls property. You can also create your own collections to organize and manipulate objects....
To define the DEBUG conditional compilation symbol in C#, add the /d:DEBUG option to the compiler command line when you compile your code using a command line, or add #define DEBUG to the top of your file. In Visual Basic, add the /d:DEBUG=True option to the compiler command line or...
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0 Platforms For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers. Thread Safety Any public static (Shared in Visual Basic) members of this type are thread safe. An...
Visual Basic Programmer's Guide to the .NET Framework Class Library (Kaleidoscope)《Visual Basic Programmer's Guide to the .NET Framework Class Library (Kaleidoscope)》是Sams出版的图书，作者是Lars Powers，Mike Snell