TCustomImageList.Change procedure
Sends change notifications when the image list is updated.
Declaration
procedure ChangeDescription
Change is a procedure used to send change notifications when the
image list is updated. Change uses internal members in the class instance
which track changes to the image list. No actions are performed in the method
when the image list has not been changed, or when a call to
BeginUpdate has not been followed by a matching call to
EndUpdate.
Change calls the NotifyChangeLink method to notify subscribers in
its ChangeLinkList, and executes the OnChange handler when it has
been assigned.
The internal member used to track changes in the image list is reset prior to exiting from the method.
Change is called from methods which update the content in the image list, such as:
- Clear
- Delete
- Move
- EndUpdate
- ReadData
- ReadAdvData
- SetBkColor (write access specifier for the BkColor property)
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.