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 lists all the buttons that can appear on a form:
Value
Meaning
mbYes
A button with the text…
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…
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 an error message to the end user. Abort redirects execution to the end of the last exception block.
Let’s browse…
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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 bitmap graphic and automatically manages the realization of the palette when drawn.
To draw a bitmap on a canvas, call…
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Here comes another part of the Tkinter Python GUI tutorial series For Beginners presented by the Programming Knowledge channel. They recently made a great introduction to Tkinter, a built-in module in Python Programming knowledge that allows you to create Graphical User…
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…
