DelphiVCL.BoundLabel is the type of a labeled Edit control’s label.
BoundLabel implements the label of a labeled Edit control. Unlike other label controls such as Label, BoundLabel “belongs” to the labeled Edit control (it is a subcomponent of the Edit control). This means that the bound label’s Owner is the Edit control rather than the form, and the Edit control is…
DelphiVCL.Bevel is used to determine the style of the panel’s border. These are the possible values of DelphiVCL.Bevel:
Value
Meaning
pbNone
The panel has no bevel and appears flat.
pbLowered
The panel appears recessed.
pbRaised
The…
DelphiVCL.BasicAction is the ancestor class for all action objects.
BasicAction introduces the fundamental behavior for an action. Descendants of BasicAction add functionality for containment in an action list, for being categorized, and for specializing their…
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…
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We will review the two examples of the most powerful Python Desktop…
