TCustomComboBox.DestroyWnd procedure

Declaration

procedure DestroyWnd; override

Description

DestroyWnd is an overridden method in TCustomComboBox used to destroy the handle for the windowed control. This occurs when the control is freed, and when the handle is re-created in the widgetset class. DestroyWnd ensures that values for the ItemIndex and Items properties are retrieved from the widgetset class before it is destroyed or re-created. The value in Sorted is applied to the Items retrieved from the widgetset class.

DestroyWnd calls the inherited method prior to exit to finalize the window handle for the control.

Errors

DestroyWnd calls RaiseGDBException to raise a catchable debugger exception if a handle has not been allocated for the control.

See also

• ItemIndex
• Items
• Sorted
• TWinControl.DestroyWnd
• RaiseGDBException