[Qt-interest] Directory Dialog Performance Issue

Sudheesh Krishnankutty sudheesh at softjin.com
Mon Oct 31 17:59:23 CET 2011


Hi,

 

In the attached project, I am using two types of directory browse dialogs.
One using the static method QFileDialog::getExistingDirectory() and the
other one by sub-classing the QFileDialog class. 

My observation is that when there are many mapped drives ( z mapped to
<file:///\\pc1\share1> \\pc1\share1 y mapped to  <file:///\\pc2\share2>
\\pc2\share2 etc..) the MyFileDialog is very slow. If any of the mapped
systems are offline, then the MyFileDialog becomes even slower. 

can you pls explain why MyFileDialog is very very slow when compared to the
Native dialog (static method). 

We prefer using the MyFileDialog. Is there a way I can speed up the
MyFileDialog?

 

Regards,

Sudheesh

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