View Issue Details
|ID||Project||Category||View Status||Date Submitted||Last Update|
|0038084||Lazarus||LCL||public||2020-11-15 15:05||2020-11-15 18:51|
|Reporter||jamie philbrook||Assigned To||Juha Manninen|
|Product Version||2.1 (SVN)|
|Summary||0038084: TTreeView calls OnCollapsing and OnCollapsed during Control destruction and node clearing|
|Description||The TreeView is calling these events during destruction or clearing regardless of the expanded state.|
if a tree is not expanded the events get called anyways and even if they were expanded they should not be getting called.
Delphi does not do this, when destroying the control these events are not called.
|Steps To Reproduce||Drop a Treeview on the form. implement the OnCollapsed or OnCollapsing with some notification, for example a BEEP;|
Free the control or just exit the app, you will get a beep and it does not matter if the tree is expanded or not..
During the events, you can test the NODE.Deleting and it is marked for deleting.
Should the events really get called at this time ?
I tested on Windows but I think it could also be happening on others too.
|Tags||No tags attached.|
|Fixed in Revision||r64142|
Please add some nodes with Children on them too to make this happen.
||@Jamie: if you are not sure that what you report actually is a bug, then please aske on the ML before opening a ticket.|
It sounds like a bug, yes.
@jamie, you have created a test application to reproduce it. Can you please upload it here.
||I think I fixed it. Please test with r64142.|
I thought I made it clear the first time?
I said Delphi does not do this .
Yes its a bug! period
@Juha I will check. thanks
Yes, it is now working correctly.
I just ran a Clear test and a destroy test, those events are no longer called during that operation..
I'll close it if you wish ?
||btw, this issue exist on older versions too, so its been there for a while and maybe this would be one for a merge ?|
You can add the revision to be merged if you want to the wiki page. I am not sure if anybody still merges them though. There will be no more 2.0.x dot releases. The new release Lazarus 2.2 will be forked at some point.
|2020-11-15 15:05||jamie philbrook||New Issue|
|2020-11-15 15:07||jamie philbrook||Note Added: 0126958|
|2020-11-15 15:22||Bart Broersma||Note Added: 0126960|
|2020-11-15 16:24||Juha Manninen||Note Added: 0126963|
|2020-11-15 17:54||Juha Manninen||Assigned To||=> Juha Manninen|
|2020-11-15 17:54||Juha Manninen||Status||new => assigned|
|2020-11-15 17:57||Juha Manninen||Note Added: 0126967|
|2020-11-15 18:10||jamie philbrook||Note Added: 0126968|
|2020-11-15 18:17||jamie philbrook||Note Added: 0126969|
|2020-11-15 18:18||jamie philbrook||Note Added: 0126970|
|2020-11-15 18:51||Juha Manninen||Status||assigned => resolved|
|2020-11-15 18:51||Juha Manninen||Resolution||open => fixed|
|2020-11-15 18:51||Juha Manninen||Fixed in Revision||=> r64142|
|2020-11-15 18:51||Juha Manninen||LazTarget||=> -|
|2020-11-15 18:51||Juha Manninen||Widgetset||Win32/Win64 => Win32/Win64|
|2020-11-15 18:51||Juha Manninen||Note Added: 0126971|