to gain in-depth knowledge, it is highly recommended to learn about abstract keyword, interfaces, and new keyword. This would greatly help in understanding the difference between them all. This helps in realizing when to use and when not to use virtual. ...
why they use ICollection ? they can use here list etc ? 3) why Courses property has been declared with virtual keyword in lecture and student class ? please help me to understand the real use of virtual keyword prettyprintCopy public ...
The virtual keyword is used to modify a method, property, indexer, or event declaration and allow for it to be overridden in a derived class. For example, this method can be overridden by any class that inherits it: C# Copy public virtual double Area() { return x * y; } The imple...
i like to understand the situation where people has to use ICollection and Virtual keyword in EF. so please give me some easy sample code where ICollection and Virtual keyword usage should be there and good explanation should there why and when people should use ICollection and Virtual keyword...
In the same way, avirtualkeyword in the derived class can make such a bug more subtle by ensuring that the function is still virtual in the further derived classes. So the general advice is, Usevirtualfor the base class function declaration. ...
The implementation of a virtual member can be changed by anoverriding memberin a derived class. For more information about how to use thevirtualkeyword, seeVersioning with the Override and New Keywords (C# Programming Guide) andKnowing When to Use Override and New Keywords (C# Programming Guide)...
The implementation of a virtual member can be changed by anoverriding memberin a derived class. For more information about how to use thevirtualkeyword, seeVersioning with the Override and New Keywords (C# Programming Guide) andKnowing When to Use Override and New Keywords (C# Programming Guide)...
The whole functionality can be replaced in the over-riding function. In C#, the virtual functions will be declared with a keyword 'virtual' and the over-riding functions will be declared with 'override' key word.Example in C#: alt 复制 ...
in XML net-port-delete delete the specified network port Node Device (help keyword 'nodedev'): nodedev-create create a device defined by an XML file on the node nodedev-destroy destroy (stop) a device on the node nodedev-detach detach node device from its device driver nodedev-dumpxml ...
information to the server. And it's easy to implement things like Time Fence ( whether a feature of the APP can be used in a certain time ), Geo Fence ( whether a feature of the APP can be used in a certain area ), sensitive keyword filtering interception and other functional ...