The IDBComboBox interface contains properties and methods of the DBComboBox development environment component.
| Property name | Brief description | |
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DataField | The DataField property determines the field name in the data source, with which the component is linked. |
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DataSource | The DataSource property links the DBComboBox component with the data set that contains the DataField field. |
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Field | The Field property returns parameters of the field, with which the component is linked. |
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ReadOnly | The ReadOnly property determines whether the user can edit the current record field value. |
| Property name | Brief description | |
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DropDownCount | The DropDownCount property determines the maximum number of elements simultaneously displayed in the drop-down list. |
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DroppedDown | The DroppedDown property returns True if the component combobox is expanded. |
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ItemCount | The ItemCount property returns the number of combobox lines. |
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ItemHeight | The ItemHeight property returns the height of combobox elements (lines). |
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ItemIndex | The ItemIndex property determines the index of the selected combobox element. |
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Items | The Items property returns the combobox lines collection. |
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MaxLength | The MaxLength property determines the maximum length of the entered text. |
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SelLength | The SelLength property determines the length in characters of the selected component text. |
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SelStart | The SelStart property determines the position to start text selection in the component. |
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SelText | The SelText property determines text selected in the component. |
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Sorted | The Sorted property determines whether combobox lines are automatically sorted in alphabetical order. |
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Style | The Style property determines the display style of combobox. |
| Property name | Brief description | |
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Align | The Align property determines component alignment within its parent component. |
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AllowDrag | The AllowDrag property determines whether an object can be dragged from a component. |
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AllowDrop | The AllowDrop property determines whether the component can accept a dragged object. |
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Anchors | The Anchors property returns settings determining % of the resize for the current component when the parent component is resized. |
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Brush | The Brush property determines the brush that is used to fill the component area. |
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ClientHeight | The ClientHeight property determines the height of the client component area. |
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ClientWidth | The ClientWidth property determines the width of the client component area. |
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Color | The Color property determines color of the component background. |
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Cursor | The Cursor property determines how the cursor looks like when is it hovered over a component during form execution. |
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Enabled | The Enabled property determines whether a component is available for the user. |
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Focused | The Focused property returns True if the focus is set to the component. |
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Font | The Font property determines parameters of the font that is used to display text in the component. |
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Height | The Height property determines component height in pixels. |
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HelpContext | The HelpContext property determines a unique index for a section of a context help for this component. |
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Hint | The Hint property determines a tooltip text displayed on hovering over the component. |
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HintTimeout | The HintTimeout property determines for how long a tooltip is displayed. |
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Left | The Left property determines a coordinate of the component left edge in pixels. |
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Parent | The Parent property determines a parent component. |
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ParentColor | The ParentColor property determines whether a component inherits the color of the parent component. |
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ParentFont | The ParentFont property determines whether a component uses the font of the parent component. |
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ParentShowHint | The ParentShowHint property determines when a tooltip is displayed. |
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PopupMenu | The PopupMenu property determines the context menu displayed when the component is clicked with the right mouse button. |
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Scrolls | The Scrolls property returns parameters of component's scrollbars. |
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ShowHint | The ShowHint property determines whether a tooltip is displayed when the component is hovered. |
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TabOrder | The TabOrder property determines a component position in a tab order. |
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TabStop | The TabStop property determines whether the component must be focused when the Tab button is pressed. |
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Text | The Text property determines a row identifying a component for the user. |
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Top | The Top property determines a coordinate of the component top edge in pixels. |
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Visible | The Visible property determines whether the component is displayed when a form is executed. |
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Width | The Width property sets component width in pixels. |
| Property name | Brief description | |
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ComponentCount | The ComponentCount property returns the number of child components located on the parent component. |
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Components | The Components property returns a child component, which index is passed via the input parameter. |
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Data | The Data property is used to store any custom data. |
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Name | The Name property determines the component name. |
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Tag | The Tag property is not used by the compiler. The user can change the value of this property and use it at his discretion. |
| Method name | Brief description | |
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ClearEdit | The ClearEdit method clears the combobox edit box. |
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SelectAll | The SelectAll method selects all text in the combobox edit box. |
| Method name | Brief description | |
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The ClientToScreen method converts point coordinates specified relative to the component's coordinate system into screen coordinates. | |
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The DoDragDrop method enables the user to start dragging operation. | |
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The GetImage method returns a graphic presentation of a component together with all child components. | |
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The ScreenToClient method converts point's screen coordinates into coordinates specified relative to the component's coordinate system. | |
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The SetFocus method sets focus to this component. |
See also: