[Overview][Types][Classes][Procedures and functions][Index] Reference for unit 'LazDialogs' (#lcl)

TLazarusFileDialogForm.HandleTreeViewSelectionChanged

Event handler signalled when the selected item in ShellTreeView is changed.

Declaration

Source position: lazdialogs.pas line 45

public procedure TLazarusFileDialogForm.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

TLazarusFileDialogForm.ShellTreeView

  

Shell tree view control for the Lazarus dialog form.

TLazarusFileDialogForm.ButtonPanel

  

Button panel for the Lazarus dialog form.

TLazFileDialogKind

  

Enumerated type which represents the dialog kind in a Lazarus dialog form.

Version 4.0 Generated 2025-05-03 Home