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Selects all items in the list (in ExtendedSelect mode).
Source position: stdctrls.pp line 628
public procedure TCustomListBox.SelectAll; virtual; |
SelectAll is a procedure used to mark all of the values defined in the Items property as Selected. No actions are performed in the method when Items is empty (Count is 0). SelectAll calls the SelectRange method to select items at position 0 (zero) through Count-1 (inclusive).
Use Selected to change the selection state for an individual item when MultiSelect is enabled. Set ItemIndex to -1 to clear the current selection when MultiSelect is not used.
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True when a contiguous range of items can be selected using Shift+Click. The default value is True. |
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Changes the selection state for a range of Items in the control. |
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The number of items defined in the scrollable list box. |
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The Selected state for an item in the control. |
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Allows selection of more than one item from the list. |
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Ordinal position for the currently selected item, -1 if none. |
| Version 4.0 | Generated 2025-05-03 | Home |