Class TGUIComboBox

Fields

Unit

Declaration

type TGUIComboBox = class(TGUIElement)

Description

A GUI combo box.

Hierarchy

Overview

Methods

	`function AddItem(const Text: StringType; Data: LongWord=0): LongWord; inline;`
	`function GetIndexForItemData(Data: LongWord): LongInt; inline;`
	`function GetItemData(Index: LongWord): LongWord; inline;`
	`function GetItemText(Index: LongWord): StringType; inline;`
	`procedure Clear; inline;`
	`procedure RemoveItem(Index: LongWord); inline;`
	`procedure SetTextAlignment(Horizontal, Vertical: TGUIAlignment); inline;`

Properties

	`property ItemCount: LongWord read GetItemCount;`
	`property SelectedItem: LongInt read GetSelected write SetSelected;`

Description

Methods

	`function AddItem(const Text: StringType; Data: LongWord=0): LongWord; inline;`
Adds an item and returns its the index.

	`function GetIndexForItemData(Data: LongWord): LongInt; inline;`
Returns index based on item data.

	`function GetItemData(Index: LongWord): LongWord; inline;`
Returns item data of an item. the idx may be a value from 0 to itemCount-1.

	`function GetItemText(Index: LongWord): StringType; inline;`
Returns string of an item. the idx may be a value from 0 to ItemCount-1.

	`procedure Clear; inline;`
Deletes all items in the combo box.

	`procedure RemoveItem(Index: LongWord); inline;`
Removes an item from the combo box.

procedure SetTextAlignment(Horizontal, Vertical: TGUIAlignment); inline;

Sets text justification of the text area.

Parameters

Horizontal: alUpperLeft for left justified (default), alLowerRight for right justified, alCenter for centered text.
Vertical: alUpperLeft to align with top edge, alLowerRight for the bottom edge, alCenter for centered text (default)

Properties

	`property ItemCount: LongWord read GetItemCount;`
Returns the amount of items in box.

	`property SelectedItem: LongInt read GetSelected write SetSelected;`
The index of the currently selected item. -1 if no item is selected.

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