Need to get to tree view from CMyApp

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I am writing an MFC explorer style application. I am trying to update the tree view which on the left, and is called CTreeView.

In CMyApp I have caught a message in

ON_COMMAND(ID_WORKSPACE_OPEN, &CBWE8App::OnWorkspaceOpen)

CMyApp::OnWorkspaceOpen()
{
...
// code to read workspace file contents
}

I want to be able to read the contents of a file to update the left tree view, so I need to get hold of the left view (CLeftView) from this file so that I can do

CTreeCtrl& Tree = GetTreeCtrl();
//and then aftet some code, I can update the tree-view
HTREEITEM hti1 = Tree.InsertItem(lpszItem1, 0, TVI_LAST);

But I don't know how to get hold of the tree view from CMyApp - please could somebody help!

Posted 7-Jul-11 5:54am

Jackie Lloyd

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Espen Harlinn · Answer 1 · 2011-07-07T07:34:00

Solution 1

This might be of interest Creating a Windows Explorer-Style MFC Application[^]

Best regards
Espen Harlinn

Posted 7-Jul-11 7:34am

Espen Harlinn

Comments

Sergey Alexandrovich Kryukov 7-Jul-11 13:53pm

Right place to start, my 5.
--SA

Espen Harlinn 7-Jul-11 14:23pm

Thank you Sergey!

Jackie Lloyd 8-Jul-11 6:07am

Thankyou, that is a good start, but I am still confused as to how an explorer application with two views and one doc can displal data from different documents in each view. For example, a list of files is shown in the left view and the contents of one of thefiles in the right view. It seems like two documents are being shown here: one which list all the files, the other has the contents of a file, so isn't this two docs, so not SDI?

Espen Harlinn 8-Jul-11 6:37am

Exactly what is that you are building? Remember that it's possible to create many different View/Document classes. When you want to display something else just change the View/Document in the right pane - that is: destroy current View/Document and create the correct View/Document based on info from your tree - i.e. type of node.

In most cases MFC makes many things harder, not easier, as it's original purpose was to provide a framework for office style document oriented applications where the effort is focused on rendering a visual representation of the document data using GDI.

Depending on your situation, I would take a long look at WCF, possibly using http://caliburn.codeplex.com/ - not that caliburn is a requirement for MVVM, but it does make some things easier.

As a C++ developer you shouldn't have a problem with c# - unless you are really into templates. Personally I mix and match languages as needs require. When something is easier to express in c++ I use c++ - WCF and XAML does make a lot of things easier. Charles Petzolds' book on WCF, http://charlespetzold.com/wpf/, provides a good, if somewhat dull, introduction to WCF. It's only after you've worked your way through his stuff, that you'll come to appreciate the level of understanding that his approach provides.