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Ensures that check box item state classes have been allocated for items in the control.
Source position: comboex.pas line 305
protected procedure TCustomCheckCombo.CheckItemStates; |
CheckItemStates is a procedure used to ensure that TCheckComboItemState class instances exist for the Items defined in the control. CheckItemStates iterates over the values in Items to determine if its Objects property contains a valid TCheckComboItemState instance. An Exception is raised when the object is not derived from TCheckComboItemState.
CheckItemStates is used in the implementation of the InitializeWnd and AsyncCheckItemStates methods.
Raises an Exception when a check box in Items does not have a valid TCheckComboItemState object.
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The list of items displayed in the combo-box control. |
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Initializes the window handle for the control. |
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Represents state and data for a check box item displayed in TCustomCheckCombo. |
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| Version 4.0 | Generated 2025-05-03 | Home |