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Additional info for Component writer's guide : Borland Delphi for Windows 95 and Windows NT : version 2.0
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If you do not declare a read method, the property is write-only. Write-only properties are seldom used. 3-6 Component Writer’s Guide Defining properties The write method The write method for a property is a procedure that takes a single parameter (except as noted below) of the same type as the property. The parameter can be passed by reference or by value, and can have any name you choose. By convention, the write method’s name is Set followed by the name of the property. For example, the write method for a property called Count would be SetCount.
Write-only properties are seldom used. 3-6 Component Writer’s Guide Defining properties The write method The write method for a property is a procedure that takes a single parameter (except as noted below) of the same type as the property. The parameter can be passed by reference or by value, and can have any name you choose. By convention, the write method’s name is Set followed by the name of the property. For example, the write method for a property called Count would be SetCount. The value passed in the parameter becomes the new value of the property; the write method must perform any manipulation needed to put the appropriate data in the property’s internal storage.
The primary advantage of static methods is that dispatching them is very quick. Because the compiler can determine the exact address of the method, it links the method directly. Virtual and dynamic methods, by contrast, use indirect means to look up the address of their methods at runtime, which takes somewhat longer. Object-oriented programming for component writers 2-7 Dispatching methods A static method does not change when inherited by a descendant class. If you declare a class that includes a static method, then derive a new class from it, the derived class shares exactly the same method at the same address.
Component writer's guide : Borland Delphi for Windows 95 and Windows NT : version 2.0
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