TWebDropDownControl
Description
TWebDropDownControl is a control that allows any other control to appear in a dropdown when the dropdown button is clicked. This control in the dropdown is typically used to perform a selection that is then visualized in the always visible part of the control. The size of the dropdown part is equal to the size (width/height) of the control in the dropdown.
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| Designtime |
Runtime |
HTML template tag
The HTML tag the component can be associated with in an HTML template. Assign the ID
attribute with a unique value and set the identical value to the ElementID property. Detailed
information can be found in the Use of HTML templates topic.
| HTML tag |
<DIV ID=”UniqueID”></DIV |
| ElementID |
UniqueID |
Properties for TWebDropDownControl
| Property |
Description |
| AutoDropDown: Boolean |
When true, the dropdown will automatically show when it gets focus |
| BorderStyle |
Sets the border style for the control |
| DropDownColor: TColor |
Sets the background color of the dropdown |
| DropDownHeight: Integer |
Sets the height of the dropdown part when different from zero. Otherwise, it uses the height of the control assigned as dropdown control. |
| DropDownShadow: Boolean |
When true, the dropdown is displayed with a shadow |
| DropDownWidth: Integer |
Sets the width of the dropdown part when different from zero. Otherwise, it uses the width of the control assigned as dropdown control. |
| ElementClassName |
Optionally sets the CSS classname for the date/time picker when styling via CSS is used |
| ElementInputClassName |
Sets the CSS classname for the input control used in the dropdown control |
| ElementID |
Optionally sets the HTML element ID for a HTML element in the form HTML file the date picker needs to be connected with. When connected, no new listbox is created but the Delphi class is connected with the existing HTML element in the form HTML file |
| Enabled |
Sets whether the control is enabled or disabled |
| ItemHeight |
Sets the height of individual items in the listbox |
| ItemIndex |
Sets or gets the index of the selected item |
| TabOrder |
Sets the tab order of the control |
| TabStop |
When true, the focus is turned to the control when pressing tab |
| Text |
Gets or sets the text to display in the always visible part of the dropdown control |
Events for TWebDropDownControl
| Event |
Description |
| OnClick |
Event triggered when the listbox is clicked |
| OnCloseUp |
Event triggered when the dropdown closes |
| OnDblClick |
Event triggered when the listbox is doubleclicked |
| OnDropDown |
Event triggered when the dropdown is displayed |
| OnEnter |
Event triggered when the control gets focus |
| OnExit |
Event triggered when focus leaves the control |