C # interface definition and use

Pay attention to the following two points during interface ing:

1. When determining which member of the class implements the interface member, the explicitly stated interface member in the class is implemented first than other members.

2. members using the Private, protected, and static modifiers cannot participate in interface ing. For example:

 

 

Code

 Interface ICloneable {
Object Clone ();
}
Class C: ICloneable {
Object ICloneable. Clone (){...}
Public object Clone (){...}
}

/* In the example, the member ICloneable. Clone is called the member Clone implementer of the interface ICloneable, because it is an explicitly stated interface member and has a higher priority than other members.

If a class implements two or more interfaces with the same name, type, and parameter type, one member of the class may implement all these interface members :*/

Interface IControl {
Void Paint ();
}
Interface IForm {
Void Paint ();
}
Class Page: IControl, IForm {
Public void Paint (){...}
}
// Here, the IControl and IForm methods of the interface Paint are mapped to the painting method in the class Page. Of course, you can also use explicit interface members to implement these two methods:
Interface IControl {
Void Paint ();
}
Interface IForm {
Void Paint ();
}
Class Page: IControl, IForm {
Public void IControl. Paint (){
// Specific interface implementation code
}
Public void IForm. Paint (){
// Specific interface implementation code
}
}