Story Category: DelphiVCL
VOTEHow To Use The Value Property For Actions and Parameters
Muhammad Azizul Hakim
We use the Value property to set or specify any actions or parameters in the DelphiVCL library while using the IDE software. Here is the working example of Value with CanSelect parameter: In the example…… – Details…
12 months ago in Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Is The Lines Property And How Do I Use It?
Muhammad Azizul Hakim
The Lines Property contains the individual lines of text in the memo control. This works for native Windows development. We use Lines to manipulate text in a memo control on a line-by-line basis. Lines is…… – Details…
12 months ago in Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Are Bi-Directional Properties In DelphiVCL Applications?
Muhammad Azizul Hakim
What is Bi-Directional (BiDi)? Some languages do not follow the left to right reading order commonly found in Western languages, but rather use the right to left reading order for words and the left to…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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Everything You Need To Know About C++ ABI Inside DelphiVCL
Muhammad Azizul Hakim
C++ ABIs or more specifically: DelphiVCL.Application.CPP_ABI_1, DelphiVCL.Application.CPP_ABI_2, and DelphiVCL.Application.CPP_ABI_3 inside DelphiVCL.Application is C++ ABIs (Application Binary Interfaces, which are implemented under the hood, including how parameters are passed, such as in a register or on…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Is The DelphiVCL.Application.CreateForm Method?
Muhammad Azizul Hakim
When you develop windows software use CreateForm method or DelphiVCL.Application.CreateForm to create a new form. Call CreateForm to dynamically create a form at runtime. Developers do not need to add code for creating most forms,…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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This Is How The OnGetMainFormHandle Event Works
Muhammad Azizul Hakim
For development on Windows OnGetMainFormHandle or DelphiVCL.Application.OnGetMainFormHandle is the event triggered when reading the value of the MainFormHandle property. Let’s take a look at all of DelphiVCL.Application.OnGetMainFormHandle properties and methods: See the responses in our…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What does the OnMessage Event in DelphiVCL.Application do?
Muhammad Azizul Hakim
In Windows application development the OnMessage or DelphiVCL.Application.OnMessage occurs when the application receives a message from either the Windows operating system or another application. How to use the DelphiVCL.Application.OnMessage event properly? We use the OnMessage…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Is The Deallocates Method And What Does It Do?
Muhammad Azizul Hakim
During windows development, or in fact any similar apps, use the FreeInstance method or DelphiVCL.Application.FreeInstance to deallocate memory allocated by a previous call to the NewInstance method. All destructors call FreeInstance automatically to deallocate memory…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What You Need To Know About The Observers Property
Muhammad Azizul Hakim
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…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Does The OnHint Event In DelphiVCL.Application Do?
Muhammad Azizul Hakim
What is the DelphiVCL.Application.OnHint event? The OnHint or DelphiVCL.Application.OnHint occurs when the mouse pointer moves over a control or menu item that can display a Help Hint. This mainly applies to Windows app development. How…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Does The OnIdle Event In DelphiVCL.Application Do?
Muhammad Azizul Hakim
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…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What You Need To Know About The NormalizeTopMosts Method
Muhammad Azizul Hakim
The NormalizeAllTopMosts or DelphiVCL.Application.NormalizeAllTopMosts method is used in development on Windows to make forms that have been designated as topmost forms (their FormStyle is fsStayOnTop) behave as if they were not topmost forms. How to…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Is The OnHelp Event In DelphiVCL.Application?
Muhammad Azizul Hakim
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…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Are The Built-In Function Objects Inside DelphiVCL?
Muhammad Azizul Hakim
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…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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What Is The OnException Event in DelphiVCL.Application?
Muhammad Azizul Hakim
The OnException or DelphiVCL.Application.OnException event occurs when an unhandled exception occurs in the application. This is a fundamental error event to understand when you develop Windows software. How is the DelphiVCL.Application.OnException event used? Use OnException…… – Details…
1 year ago in api references, Delphi, DelphiVCL, GuiProgramming, programming, Python, python gui, windows, windows app
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