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What is the NewInstance Method in DelphiVCL.Application?

What is the newinstance method in DelphiVCL.Application?

NewInstance or DelphiVCL.Application.NewInstance method allocates memory for an instance of an object type and returns a pointer to that new instance.

All constructors call NewInstance automatically. NewInstance calls InstanceSize to determine how much memory containing a particular instance to allocate from the heap. Do not call NewInstance directly.

How to use the DelphiVCL.Application.NewInstance Method properly?

Override NewInstance only for special memory allocation requirements. For example, when allocating a large number of identical objects that all need to be in memory at the same time, you can allocate a single block of memory for the entire group, then override NewInstance to use part of that larger block for each instance.

If you override NewInstance to allocate memory, you may need to override FreeInstance to deallocate the memory.

Note: By default, NewInstance calls InitInstance.

Let’s browse all the properties, methods, and built-in properties of the DelphiVCL.Application.NewInstance using dir() command:

See the responses in our Windows command prompt:

0dir-7397000

You can also read short information about the DelphiVCL.Application.NewInstance using the print() command:

See the responses in our Windows command prompt:

0print-4495716

 

Check out DelphiVCL which easily allows you to build GUIs for Windows using Python.

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