A component that combines an editable field and a drop-down list. The user can select a value from the drop-down list. If you make the combo box editable, then the combo box includes an editable field into which the user can type a value. |
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This is what a combo box looks like:
The Type of Selected Item property and the type of data in the Value column of the Selection Values tabular property is dynamic. It cannot be manually changed from the GUI Builder, but it is changed by the binding whose target points to the Selection Values property of Combo Box. This binding rewrites the Selection Values table. The binding is automatically created when dragging a field that has selection values to a combo box.
Common Properties
Width, Height, Bindings, Enabled, Visible, Foreground, Background, Opaque, Border, Font, Tooltip
Custom Properties
Maximum Displayed Row Count
Sets the maximum number of rows the Combo Box displays. If the number of items greater than count, the combo box uses a scrollbar.
Property name: maximumRowCount
Property type: Integer
List of items available in the combo box.
Property name: options
Property type: Data Table
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It is possible to fill a Combo Box with selection values of a certain Data Table field using a binding. For example, binding that will fill a Combo Box with the countries available in the Country field of User Information variable defined in the User context of user admin will look as follows: Target: form/comboBox1:options Expression: {users.admin:childInfo$country#options} This binding is created automatically when dragging a variable field to a Combo Box in GUI Builder. Check details here. |
Selected Item (Default Property)
Item selected by default.
Property name: selectedItem
Property type: dynamic
Common Events
Hidden, Shown, Moved, Resized, Mouse Clicked, Mouse Pressed, Mouse Released, Mouse Entered, Mouse Exited, Mouse Moved, Mouse Wheel Moved, Key Typed, Key Pressed, Key Released, Focus Gained, Focus Lost