OnModalBegin: DelphiVCL.Application Event that Occurs when a Modal Form is Opened

OnModalBegin or DelphiVCL.Application.ModalBegin occurs when a modal form is opened.

Write an OnModalBegin event handler to perform special processing when a modal form is opened.

How to examine the properties, methods, and built-in properties of the DelphiVCL.Application.OnModalBegin?

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

import DelphiVCL

dir(DelphiVCL.Application.OnModalBegin)

See the responses in our Windows command prompt:

0dir-1807690

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

1 2	print(DelphiVCL.Application.OnModalBegin) print(DelphiVCL.Application.OnModalBegin.__doc__)

See the responses in our Windows command prompt:

0print-2

Watch this comprehensive introduction to Python GUI Development with DelphiVCL library video by Jim McKeeth: