TLBGetDataEvent procedure type

Specifies an object procedure type used to get the data for an item on a list box control in "virtual mode".

Declaration

pascal

TLBGetDataEvent = procedure(AControl: TWinControl; Index: Integer; 
 var Data: string) of object

`AControl`	Control for the event notification. Must be cast to TCustomListBox to access members specific to the control.
`Index`	Ordinal position for the virtual list item.
`Data`	Content displayed for the virtual list item.

TLBGetDataEvent is the type used to implement the OnData event handler in TCustomListBox / TListBox. Not used in the current LCL version.

Added in LCL version 5.0.