my ShellExtThumbnail dll not dispose

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hi everyone
i created a thumbnail dll for my file type
my class dll create thumb for my files type but my class no dispose after create thumbnail
this is my project :
in This Link
what's my problem
thank you

Posted 12-Feb-12 4:51am

sinaone

Updated 12-Feb-12 4:53am

v2

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Sergey Alexandrovich Kryukov 12-Feb-12 14:05pm

What do you mean "no dispose", exactly? How do you know that?
--SA

sinaone 12-Feb-12 14:28pm

well,after time that my class create thumbnail , file will open and not close
so It gives the error :
The process cannot access the file 'E:\a.hpt' because it is being used by another process.
i hope you understand my problem

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sinaone · Accepted Answer · 2012-02-12T17:05:00

Solution 1

i changed my source to this
Test 2
but File is not closed yet
thank you

Posted 12-Feb-12 17:05pm

sinaone