DelphiDelphiVCLPythonPython GUIWindows

What You Need To Know About The Observers Property

In windows app development, the Observers or DelphiVCL.Application.Observers property indicates the TObservers object added to the TComponent. Observers is a read-only property that returns the TObservers added to the TComponent, in order to use the notifications provided by the observers either with LiveBindings or for the developers’ own purposes. Let’s browse all the properties…
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DelphiDelphiVCLPythonPython GUIWindows

What Does The OnIdle Event In DelphiVCL.Application Do?

During Windows development, the OnIdle or DelphiVCL.Application.OnIdle occurs when an application becomes idle. Write an OnIdle event handler to perform special processing when an application is idle. An application is idle when it is not processing code. For example, an application is idle when it is waiting for input from the user. OnIdle is called only once, as the application transitions…
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DelphiDelphiVCLPythonPython GUIWindows

What Is The OnHelp Event In DelphiVCL.Application?

What is the DelphiVCL.Application.OnHelp event? The OnHelp or DelphiVCL.Application.OnHelp occurs when the application receives a request for Help. You can examine and set it in the IDE software. How to use the DelphiVCL.Application.OnHelp event properly? Write an OnHelp event handler to perform special processing when the user requests Help. The HelpContext and HelpJump methods…
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DelphiDelphiVCLPythonPython GUIWindows

What Are The Built-In Function Objects Inside DelphiVCL4Python?

A built-in function object is a wrapper around a C function. Examples of built-in functions are len() and math.sin() (math is a standard built-in module). The number and type of the arguments are determined by the C function.  You can browse all the built-in function objects available to us for windows development inside the DelphiVCL library using the Python dir() command: import…
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