DelphiVCL.Application.MessageBox is used to display a specified message to the user.
Use MessageBox to display a generic dialog box containing a message and one or more buttons. The Caption parameter specifies the caption of the dialog box and is optional.
MessageBox is an encapsulation of the Windows API MessageBox function, which is described at…
CanSelect parameter is included inside the OnSelectCell event handler, while OnSelectCell occurs before a cell in the grid is selected.
Write an OnSelectCell event handler to specify whether any particular cell in the grid can be selected. The Col and Row parameters…
MsgDlgButtons defines a set of values used by MessageDlg and MessageDlgPos.
The MsgDlgButtons type defines the set of values a button in a message box can have. The TMsgDlgButtons type is used by the MessageDlg and MessageDlgPos functions.
The following table…
ModalResult represents the return value from a modal dialog.
ModalResult represents the value returned by a modal dialog. An application can use any integer value as a modal result value.
Although ModalResult can take any integer value, the following constants are defined for commonly used ModalResult values:
Constant
Value
Meaning
mrNone
0
None. Used as a…
BitBtnKind is used to identify the appearance and use of a DelphiVCL.BitBtn control.
BitBtnKind specifies how a TBitBtn control is rendered and how it behaves when clicked. The following table lists all the possible…
DelphiVCL.Abort function is used to raise a silent exception.
We use Abort to escape from an execution path without reporting an error.
Abort raises a special “silent exception” (EAbort), which operates like any other exception, but does not display…
Are you an expert in desktop apps and GUI development who also want to work with Python because of its simplicity, flexible use, and growing demand in the market out there? Or are you a Python Developer at any level who wants to start a GUI development journey? If you check both of those boxes, then this article is for you.
We will review the two examples of the most powerful Python Desktop…
DelphiVCL.Bitmap is an encapsulation of a Windows bitmap (HBITMAP), including its palette (HPALETTE).
A Bitmap is a powerful graphics object used to create, manipulate and store images in memory and as files on a disk.
Bitmap contains an internal image of the…
Learn Python With Practice Privacy-Preserving Machine Learning In Python by Catherine Nelson (PyCon 2020) Video
March 31, 2021
Data privacy remains to be one of the topmost concerns for everyone. Some of our personal or sensitive information is being collected from us even without our knowledge. Although Machine learning comes with a great number of advantages, it also comes with a great number of…
DelphiVCL.Strings or TStrings is the base class for objects that represent a list of strings.
Use DelphiVCL.Strings or TStrings to store and manipulate a list of strings.
Descendants of TStrings can represent several individual strings, such as the individual lines that appear in a list box. Some objects use descendants of TStrings to represent one long body of the text so that it…
