DelphiDelphiVCLPythonPython GUIWindows

What Does DelphiVCL.Application.HandleException Do?

The HandleException method or DelphiVCL.Application.HandleException is used to provide default handling of exceptions for the application. If an exception passes through all the try blocks in the application code, the application automatically calls HandleException, which displays a dialog box indicating an error occurred. Unless the exception object is EAbort, HandleException calls the…
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DelphiDelphiVCLPythonPython GUIWindows

What Is The ModalStarted Method In DelphiVCL.Application?

ModalStarted or DelphiVCL.Application.ModalStarted method is used to track the opening of the modal form. Call ModalStarted to indicate that a modal form is being opened. ModalStarted is called by the ShowModal method of TCustomForm. ModalStarted calls the OnModalStart event handler if defined. How to browse the properties and methods of the DelphiVCL.Application.ModalStarted? Let’s…
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DelphiDelphiVCLPythonPython GUIWindows

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…
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DelphiDelphiVCLPythonPython GUIWindows

What Is The DelphiVCL.Application.HelpCommand?

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…
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