DelphiVCL.BitBtn is a push button control that can include a bitmap on its face. It’s an alternative to the regular button control which can’t directly use graphics on it.
Bitmap buttons exhibit the same behavior as button controls. We use them to initiate actions from forms and dialog boxes.
Bitmap buttons implement properties that specify the bitmap images, along with…
The Alignment or TAlignment property is used to specify how text is aligned within a control. The default value of the Alignment property is taLeftJustify.
These are the possible values of Alignment:
Value
Meaning
taLeftJustify
Align text on the…
The Sender property specifies which component notifies the change link object of changes.
We use Sender to access the component that has changed.
Here is a working example of the implementation of Sender property in DelphiVCL:
# Implementation in Color…
7 More Built-In Function Objects Inside DelphiVCL4Python Library
December 17, 2021
When running dir() to DelphiVCL library or any DelphiVCL methods and properties in all previous sections, you might find many of Python’s built-in objects and properties. You can also read 7 Built-In Function Objects Inside The DelphiVCL Library which has some other built-in object functions which relate to the ones in this article.
In this post, you’ll learn more about built-in…
7 Built-In Function Objects Inside The DelphiVCL4Python Library
December 16, 2021
When running dir() to DelphiVCL library or any DelphiVCL methods and properties in all previous sections, you might find many of Python’s built-in objects and properties. You might also want to read 7 More Built-In Function Objects Inside The DelphiVCL Library which has…
In this post, you’ll learn about DelphiVCL.Screen or TScreen represents the state of the screen on which an application runs. Learning more about DelphiVCL.Screen or TScreen Object will allow you to easily build screen applications with Python Coding…
What Is The OnActionUpdate Event In DelphiVCL.Application?
December 10, 2021
In this post, we’ll use OnActionUpdate or DelphiVCL.Application.OnActionUpdate event occurs when an action’s Update method is called and its action list has not already handled it. Learning how to do it will allow you to easily build GUIs and test it with Python Testing Tools.
Use the OnActionUpdate event handler to update the properties of an action when the application is idle if…
How To Force Execution Of The Destructor Code In An Object
December 9, 2021
In this post, we’ll use the DisposeOf method or DelphiVCL.Application.DisposeOf forces the execution of the destructor code in an object. Learning how to use DIsposeOf will allow you to easily build GUIs with Python Coding Software.
After the DisposeOf method is…
In this post, we’ll use the OnActivate or DelphiVCL.Application.OnActivate event that occurs when an application becomes active. Write an OnActivate event handler to perform special processing when the application becomes active. Learning how to do it will allow you to…
OnDeactivate or DelphiVCL.Application.OnDeactivate event Occurs when an application becomes inactive.
How to use the DelphiVCL.Application.OnDeactivate Event properly?
Write an OnDeactivate event handler to perform any special processing that should occur immediately before the application is deactivated. The OnDeactivate event occurs when the user switches from the…
