In this post, you’ll learn how the HandleException method, also known as DelphiVCL.Application.HandleException, works. It’s used to provide the application with default exception handling. 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 has occurred. Unless…
In this post, you’ll learn more about the Handle property or DelphiVCL.Application.Handle is used to provide access to the underlying Windows screen object for the control. The Handle property returns the window handle for the underlying Microsoft Windows screen…
What Is The GetInterfaceTable Method in DelphiVCL.Application?
October 14, 2021
In this post, you’ll learn how to use the GetInterfaceTable method or DelphiVCL.Application.GetInterfaceTable to return a pointer to a structure containing all of the interfaces implemented by a given class. Learning more about the GetInterfaceTable will help you…
In this post, you’ll learn more about 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.
Learning more about the ModalStarted method will help…
What Is The ModalPopupMode Property In DelphiVCL.Application?
October 12, 2021
In this post, you’ll learn more about ModalPopupMode or DelphiVCL.Application.ModalPopupMode property controls how the modal form behaves, with respect to Windows’ WS_POPUP style. Use ModalPopupMode to set the way modal forms behave, with respect to…
In this post, you’ll learn more about Name or DelphiVCL.Application.Name property specifies the name of the component as referenced in the code. Use Name to change the name of a component to reflect its purpose in the current application. By default, the IDE assigns…
In this post, you’ll learn more about 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 contains a particular instance to allocate from the heap. Do not call NewInstance…
In this post, you’ll learn more about ModalFinished or DelphiVCL.Application.ModalFinished method tracks closing of a modal form.
Learning more about DelphiVCL.Application.ModalFinished Method will allow you to create programs with Python Program Maker more…
In this post, you’ll learn how to 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…
In this post, you’ll learn how to 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. Learning how to use HelpCommand Method will allow you to easily build GUIs with Python Windows GUI Builder.
Use HelpCommand to send a…
