DelphiVCL.Component is the common ancestor of all component classes.
Component is the base class for all components. Components are persistent objects that have the following capabilities:
IDE integration: The ability to appear on an IDE palette and be manipulated in a Form Designer.
Ownership: The ability to manage other components. If component A owns component B, then A is…
The Destroying method or DelphiVCL.Application.Destroying is used to indicate that the component and its owned components are about to be destroyed.
Destroying sets the csDestroying flag in the ComponentState property. It then calls the Destroying method for each…
The DestroyComponents method or DelphiVCL.Application.DestroyComponents is used to destroy all owned components.
DestroyComponents iterates through the components owned by the component, removing each from the list of owned components and destroying it.
It is…
Learn Python With The Hidden Power of the Python Runtime by Elizaveta Shashkova (PyCon 2020) Videos
June 18, 2021
Python remains to be one of the widely used programming languages today. It is often praised for its overall simplicity and beauty that all aspiring programmers can easily learn and manage. Interestingly, in this video shared by Elizaveta Shashkova, we will learn that every statement in Python, even the simple one, produces a lot of events during the program execution. These events are usually…
Use the DefaultHandler method or DelphiVCL.Application.DefaultHandler to provide the interface for a method that processes message records.
DefaultHandler is called by Dispatch when it cannot find a method for a particular message. DefaultHandler provides message…
Specifies the Default Font used by the Application using delphivcl.Application.DefaultFont
June 18, 2021
Use the DefaultFont property or DelphiVCL.Application.DefaultFont to specify the default font used by the application.
DefaultFont specifies the default font used by the application. All newly created forms use DefaultFont if the ParentFont property is set to True.
Learn Python With Organizing to Improve Your Workplace: Know Your Rights by Shauna Gordon-McKeon (PyCon 2020) Video
June 17, 2021
For smaller projects or applications, it is possible that it could be singlehandedly manage by a programmer or it could be a small team of 2 or three people. However, for bigger ones, it might need a bigger team which might also require a bigger workplace. In this case, to make the project more successful, there must be teamwork and a healthy working environment should be established to improve…
Learn To Build A Python GUI For Manipulating Datetime Using Delorean Library In A Delphi Windows App
June 16, 2021
Are you looking for powerful tools to deal with datetime and build a nice GUI for them? You can build it easily by combining the Delorean and Python4Delphi library, inside Delphi and C++Builder.
Delorean is a library for clearing up the inconvenient truths that arise…
DelphiVCL.DrawGrid.Row specifies the index of the row that contains the selected cell.
Use DelphiVCL.DrawGrid.Row at runtime to determine the current row in the grid. Setting Row moves focus to the cell in the current column that is in the new row. The first row has…
DelphiVCL.DrawGrid.Col specifies the index of the column that contains the selected cell.
Use DelphiVCL.DrawGrid.Col at runtime to determine the current column in the grid. Setting Col moves focus to the cell in the current row that is in the new column. The first column has an index of 0, the second column an index of 1, and so on.
The selected cell in the grid can be located by…
