Visual C++ and MFC Programming 2nd Edition

Visual C++ and MFC Fundamentals Chapter 21: Tree and List Controls

SetIcon(m_hIcon, TRUE); // Set big icon

SetIcon(m_hIcon, FALSE); // Set small icon

// TODO: Add extra initialization here

TreeSoft->Create(WS_CHILD | WS_VISIBLE | WS_BORDER | WS_TABSTOP |

TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT |

TVS_SINGLEEXPAND | TVS_SHOWSELALWAYS |

TVS_TRACKSELECT,

CRect(10, 10, 200, 200), this, 0x1221);

HTREEITEM hTree, hCompany;

hTree = TreeSoft->InsertItem("Software Production", TVI_ROOT);

hCompany = TreeSoft->InsertItem("Microsoft", hTree);

TreeSoft->InsertItem("Office", hCompany);

TreeSoft->InsertItem("Visual Studio", hCompany);

TreeSoft->InsertItem("Servers", hCompany);

hCompany = TreeSoft->InsertItem("Jasc", hTree);

TreeSoft->InsertItem("Paint Shop Pro", hCompany);

TreeSoft->InsertItem("Animation Shop", hCompany);

hCompany = TreeSoft->InsertItem("Lotus", hTree);

TreeSoft->InsertItem("Notes", hCompany);

TreeSoft->InsertItem("Smart Office", hCompany);

hCompany = TreeSoft->InsertItem("Macromedia", hTree);

TreeSoft->InsertItem("Flash", hCompany);

return TRUE; // return TRUE unless you set the focus to a control

}

When using the InsertItem() method as we have done so far, the items are added in the

order of their appearance. Besides creating new nodes, the InsertItem() methods also

allows you to control the order in which to insert the new item. The new leaf can be

added as the first or the last child of a node. To do this, pass a third argument to this

version of the InsertItem() method and give it the TVI_FIRST to be the first child or

TVI_LAST to be the last child of the current parent node. Consider the following

example:

BOOL CControlsDlg::OnInitDialog()

{

CDialog::OnInitDialog();

SetIcon(m_hIcon, TRUE); // Set big icon