TTaskDialog.OnExpanded property
Event handler signalled when the ExpandedText on the dialog has been expanded or collapsed.
Declaration
property OnExpanded:;Description
OnExpanded is a
TNotifyEvent property with the event
handler signalled when the expanded or collapsed state for the
ExpandedText area on the task dialog has been changed. OnExpanded is
signalled (when assigned) from the DoOnExpandButtonClicked method, and occurs
after the member for the read-only Expanded property has been updated with the
new value.
Use Flags to specify the content area on the dialog where the values in ExpandedText are displayed (tfExpandFooterArea).
Use ExpandButtonCaption and CollapseButtonCaption to set the text displayed next to the expando button on the task dialog.
This description is the one of Dialogs.TCustomTaskDialog.OnExpanded.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.