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Has anyone noticed a Mem. leak using treeView control in C#?

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3333 Mar 13,2003 03:21 PM UTC Apr 8,2003 12:06 PM UTC WinForms 2
Tags: FAQ
Asked On March 13, 2003 03:21 PM UTC

I have created a C# MDI app that launches multiple instances of child forms containing a treeView control. I populate the tree completely when the form loads and Memory increases about 10MB per instance of the form. On closing the child windows, the memory does not get recovered, even after calling GC.Collect(). After an hour my app is > 200MB. Any ideas? Help!!

Replied On March 13, 2003 04:38 PM UTC

UPDATE: I think I have resolved this...it seems to be a TreeView bug. You have to clear all nodes from the treeview before closing the form or they do not get cleared even once the form is gone...I assume this should be handled by the control therefore a bug. Code is: treeView1.Nodes.Clear() I do call GC.Collect() after as an added precaution.

Replied On April 8, 2003 12:06 PM UTC

FYI: This does appear to have been the issue. Clear all nodes before exiting Form with Treeview.


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