TLazarusFileDialogForm.HandleTreeViewSelectionChanged procedure
Event handler signalled when the selected item in ShellTreeView is changed.
Declaration
procedure HandleTreeViewSelectionChanged(ASender: TObject)Arguments
ASender | Component generating the event notification. |
Description
HandleTreeViewSelectionChanged is a procedure used as the event handler for a change to the selected item in the ShellTreeView control. It is assigned to the OnSelectItem property for the ShellListView control in the Initialize method.
HandleTreeViewSelectionChanged is used in directory selection dialogs (Kind contains ldkSelectDirectory). HandleTreeViewSelectionChanged ensures that the OK button in ButtonPanel is enabled.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.