DataHub™ Windows Scripting
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DataHub™ Windows Scripting

Version 11.0

January 16, 2026

An implementation of the Gamma scripting language for use in Cogent DataHub™ software that provides Windows support.

Table of Contents
1. Introduction
1.1. Overview
1.2. Auto-Generation
1.2.1. Documentation
2. Tutorials
2.1. Making a Window
2.2. Displaying Data
2.3. Entering Data
2.4. A complete demo program: WindowsExample.g
2.5. Sample Code: ShowImage.g
2.6. Sample Code: ListBoxExample.g
2.7. Sample Code: TreeViewDemo.g
2.8. Sample Code: Browse DataHub Points using TreeViewExample.g
3. Widgets
G3StateButton — a 3-state button.
GAnimateCtrl — an animation control.
GBitmapButton — a bitmap button.
GButton — a button.
GCheckBox — a check box.
GCheckListViewCtrl — purpose is not yet documented.
GColorDialog — a color-selection dialog box.
GComboBox — a list box combined with a static or edit control.
GComboBoxEx — a combo box with support for image lists.
GDateTimePickerCtrl — a way to enter a date and time, based on CDateTimeCtrl.
GDialog — a dialog box.
GDragListBox — allows listed items in a list box to be moved.
GEdit — a text-entry box.
GFileDialog — a dialog box for opening and saving files.
GFlatScrollBar — a scrollbar with an enhanced interface, based on FlatScrollBar.
GFolderDialog — a dialog box to manage folders, based on Folder Dialog.
GFontDialog — a dialog box to manage fonts, based on Font Dialog.
GGroupBox — a rectangle that groups controls, based on Group Box.
GHeaderCtrl — a header for columns of text or numbers.
GHotKeyCtrl — allows the creation of a hot key.
GHyperLink — displays a link to a web page, based on HyperLink.
GIPAddressCtrl — an entry field for an IP address.
GLinkCtrl — embeds a hypertext link in a window.
GListBox — a box with a list of items.
GListViewCtrl — determines how lists are displayed, based on ListView Control.
GMonthCalendarCtrl — a control for setting dates and times, based on MonthCalendar Control.
GPageSetupDialog — a control for print page setup options.
GPagerCtrl — a container for a window without enough area to display its content.
GPrintDialog — a print dialog window.
GProgressBarCtrl — a rectangle that fills over time, based on ProgressBar Control.
GRadioButton — a radio button, based on CButton.
GReBarCtrl — a container for a child window.
GRichEditCtrl — a text entry and editing window.
GScrollBar — a scroll-bar control.
GStatic — a static control for text strings, rectangles, bitmaps, etc.
GStatusBarCtrl — an area at the bottom of a window that displays information.
GTabCtrl — a tabbed label for marking multiple pages.
GToolBarCtrl — a toolbar with one or more buttons.
GToolTipCtrl — a pop-up window with a line of text.
GTrackBarCtrl — a slider with optional tick marks, based on TrackBar Control.
GTreeViewCtrl — displays a hierarchy of nodes as a tree, based on TreeView Control.
GTreeViewCtrlEx — an extended TreeViewCtrl.
GUpDownCtrl — a pair of arrows for incrementing and decrementing values, based on UpDown Control.
GWindow — methods for manipulating a window.
GWindowBase — the base for most of these widgets, based on CWindow.
4. Global Functions
5. Non-Widget Classes
6. Constants
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Chapter 7. Constants Home Chapter 1. Introduction