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…
ModalFinished or DelphiVCL.Application.ModalFinished method tracks closing of a modal form.
How to use the DelphiVCL.Application.ModalFinished Method properly?
Call ModalFinished to indicate that a modal form is being closed. ModalFinished is called by…
Use the HelpFile property or DelphiVCL.Application.HelpFile to specify the name of the Help file the form uses to display the Help from.
If your form should have a Help file different from the default Help file of the application specified using the TApplication.HelpFile…
We can use the HelpCommand method or DelphiVCL.Application.HelpCommand to provide access to any of the Help commands in the application programming interface (API) of native Help handling functions HTMLHelp, WinHelp, or others.
Use HelpCommand to send a command to HTMLHelp, WinHelp, or other native Help handling functions. Before sending the Help command to the native (Windows) help engine…
We can use the HasParent method or DelphiVCL.Application.HasParent to verify whether the component has a parent.
Call HasParent to determine whether a specific component has a parent.
Derived classes override this method to implement proper handling for…
The MethodName or DelphiVCL.Application.MethodName method returns the name of a class method by address.
There are situations when it is useful to invoke an object method without hard coding the method name in advance. Call MethodAddress to dynamically retrieve the…
What is the Purpose of DelphiVCL.Application.MethodAddress?
MethodAddress or DelphiVCL.Application.MethodAddress method returns the address of a class method by name.
Note: You can use MethodAddress for published methods only.
How to use DelphiVCL.Application.MethodAddress in Delphi?
To give some sense of how to use this method in Python, let’s learn about how to use it in…
What Is The MainFormOnTaskBar Property In DelphiVCL.Application?
September 29, 2021
The MainFormOnTaskBar or DelphiVCL.Application.MainFormOnTaskBar property controls how Windows taskbar buttons are handled in a VCL application.
How to use the DelphiVCL.Application.MainFormOnTaskBar Property properly?
If the MainFormOnTaskBar is True, a taskbar…
What Is The MainFormHandle Property in DelphiVCL.Application?
September 28, 2021
The MainForm or DelphiVCL.Application.MainForm property gives the Windows handle of the application main form.
MainFormHandle gives the Windows handle of the application main form.
Let’s browse all the properties, methods, and built-in properties of the…
The MainForm or DelphiVCL.Application.MainForm property identifies the form in the application that is the main form.
The value of MainForm is the form that is the application’s main window. The main form is the first form created in the main body of the application by a call to CreateForm. When the main form closes, the application terminates. MainForm cannot be modified at run time (it…
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