Do you run a business and you want to have an interactive Graphical User Interface application to increase your productivity? Building an app might sound too complicated but it is surprisingly easy especially if you know the right tools to use. Aspiring programmers often choose Python Programming language due to its simplicity and easy-to-use tools. To build a GUI app, you will need a toolkit.
DelphiVCL.Collection or Collection is a container for CollectionItem objects.
Each Collection holds a group of CollectionItem descendants. The Collection maintains an index of the collection items in its Items array. The Count property contains the number of items in…
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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…
