abstract-class

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VisualStudio 2010 Designer throws on implemented virtual method

I want to have an abstract UserControl, BaseControl, that implements an interface IBaseControl. However, setting the class to abstract breaks VisualStudio designer (This is a known issue with Visual S[详细]

2023-03-12 08:04 分类：问答
How to implmenet this mechanism using Abstract Class in PHP?

From the past two days i have been diving into the concepts of OOPS in PHP, and i found Abstract Class to be very useful concept and i wanted to implement it in my application. and here is why i want[详细]

2023-03-12 02:54 分类：问答
How to disable parameterless constructor in C#

abstract class CAbstract { private string mParam1; public CAbstract(string p开发者_如何转开发aram1)[详细]

2023-03-11 13:59 分类：问答
Usercontrols that inherit from abstract class

I\'ve got a usercontrol that inherits from an abstract class. Basically looks like this. class SimpleSlideView : View[详细]

2023-03-11 00:06 分类：问答
Error: "Cannot use 'async' on methods without bodies". How to force async child overrides?

I\'m working on a system in which multiple client objects are expected to implement a particular function via an interface, and I want that function to run asynchronously with continuations (I\'m expe[详细]

2023-03-10 23:39 分类：问答
KnownType for all derived types of an abstract class?

We have an abstract class that is the base for a开发者_开发知识库 number of different requests we send over a WCF service. It\'s an ugly heinous hack that every time we add a new request we have to re[详细]

2023-03-10 19:42 分类：问答
Create an instance of an inherited class from abstract base class constructor

Using reflection, is it possible to create an instance of a type that inherits from an abstract base class using the abstract base class\' constructor? That is, without the inheriting class having a c[详细]

2023-03-08 17:13 分类：问答
Inherit from abstract class with properties of another type (.NET 3.5, C#)

I have 3 following classes: public class BaseProperty1{ public string Property1 {get; set;} } public class ChildProperty1 : BaseProperty1 {[详细]

2023-03-07 00:30 分类：问答
C++ templated return value with pure virtual function

I have an abstract Handle<T> class that contains references an objects of type T. I want to be able to have that class be able to be converted to Handle<U>, where U is a superclass of T. I[详细]

2023-03-06 21:05 分类：问答
How and when to use an abstract class

This is my test program in Java. I want to know how much abstract class is more important here and why we use abstract class for this.[详细]

2023-03-06 12:38 分类：问答