Explain the COM components
Explain the COM components?
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It evolved as this while u write a CLASS to reuse within a application, numerous instances of the class exists along with each instance of application, subsequently u want to ignore it to make a class and put this in DLL now only one example exists though numerous instances of applications exists Application requires to be recompiled while DLL is modified, therefore came COM.
COM is independent component which internally handles networking and resources COM utilizes IDL to communicate to various languages.
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Cursor: This is a visual representation of the existing position of the mouse on the user's virtual desktop. Cursor shapes are frequently set to symbolize the current state of a program – utilizing an hour glass shape to point out that the user
Argument: It is the information passed to a method. Arguments are as well sometimes termed as parameters. The method expecting to receive arguments should contain a formal argument declaration for each as portion of its method header. Whenever a metho
Explain the meaning of semantic connotations.
Pointer Arithmetic: C and C++ provide the ability to modify a pointer’s target address with arithmetic operations. This is used, for example, to index arrays. MyObject* P = ... Q : What is Block Block : The statements Block: The statements and declarations are enclosed between a matching pair of curly brackets ({ and }). For example, a class body is a block, as it is a method body. The block surrounds a nested scope level.
Block: The statements and declarations are enclosed between a matching pair of curly brackets ({ and }). For example, a class body is a block, as it is a method body. The block surrounds a nested scope level.
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