TFilterItemEvent procedure type
Specifies an event handler used to filter data items in TCustomControlFilterEdit.
Declaration
TFilterItemEvent = function(ItemData: Pointer; out Done: Boolean)
: Boolean of objectArguments
ItemData | Pointer to the data for the item examined in the event handler. |
Done | Indicates if additional filtering is needed on the title of the item data. |
Function result
True if the item matches the filter implemented in the event handler.Description
TFilterItemEvent is a
Boolean object function type that
specifies an event handler used to filter data items in
TCustomControlFilterEdit. The return value is
True if an
item matches a filter condition implemented in the event handler.
Done can be updated to indicate if the item requires additional
filtering on the title string in the data item; when it contains
True,
no additional filtering is needed.
TFilterItemEvent is the type used for the
OnFilterItem
event handler in
TCustomControlFilterEdit.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.