Toolkit Pro - Assert in CXTShellListCtrlEx::OnLButtonDblClk

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Assert in CXTShellListCtrlEx::OnLButtonDblClk

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Forum Name: Toolkit Pro
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URL: http://forum.codejock.com/forum_posts.asp?TID=6274
Printed Date: 02 January 2025 at 10:12am
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Topic: Assert in CXTShellListCtrlEx::OnLButtonDblClk

Posted By: larryp
Subject: Assert in CXTShellListCtrlEx::OnLButtonDblClk
Date Posted: 30 January 2007 at 7:41pm

https://forum.codejock.com/uploads/20070130_193936_ShellListTest.zip - uploads/20070130_193936_ShellListTest.zip

Version 10.4.2

I am attaching source for a simple program that has a CXTShellTreeCtrl, a CXTShellListCtrlEx, and a CEdit control all on a CFormView. If you double-click on folders in the list control you will get an ASSERT (in debug mode of course) within a few clicks because the m_strItemPath variable is empty. Note that I am not using the View versions of the controls, like most of the CodeJock sample programs.

Also, I have the following questions,

How are you to tell what the current path is of the tree and/or the list control? I see a variable in the list control that should contain the path, but it is a protected member and doesn't have an accessor method. I don't want to rely on a syncWnd to have the path text.
In the tree control, I have the desktop as the root, but how do I initially select and expand the "Computer" folder?
I have an Edit control on the form and I call m_ctrlList.SetSyncWnd( &m_ctrlEdit ), but it is never updated. Should it be updated with the path?

Thanks,

Larry

Replies:

Posted By: Oleg
Date Posted: 31 January 2007 at 1:10am

Hi,

Use

CXTShellListCtrl instread of CXTShellListCtrlEx.

Use tree.GetSelectedFolderPath(CString& strFolderPath); to get current path

Call SetRootFolder to change root folder.

-------------
Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS

Posted By: larryp
Date Posted: 31 January 2007 at 11:27am

Thanks. Changing from CXTShellListCtrlEx to CXTShellListCtrl does eliminate the ASSERT. However, the call to SetRootFolder (CSIDL_DRIVES) has its own problems. First, I had to call it before the tree was initialized, otherwise nothing happened. Second, all of the icons in the tree are lost by doing this.

That is not a big deal for me because I want the desktop to be the root, which is the default. I just need to figure out how to programmatically expand and select "Computer" so that the contents of "Computer" are initially displayed in the list control. I don't want to rely on the string "Computer" since my program may be executed on machines using different languages.

Any ideas.