SftTree/OCX 8.0 - ActiveX Tree Control

ItemExpanded Event, SftTree Object

An item has been expanded.

Syntax

object

A SftTree object.

ItemIndex

The zero-based index of the item being expanded.

Comments

The ItemExpanded event occurs when an item has been expanded.

This is a notification only. No tree control items or cells should be manipulated while handling this event.

Examples

VB.NET

    AxSftTree1.Items.Current = 0 ' select the first item
    AxSftTree1.get_Item(0).Selected = True

    AxSftTree1.Dock = DockStyle.Fill ' Maximize the main window

    Me.WindowState = FormWindowState.Maximized
End Sub

Private Sub AxSftTree1_ItemExpanded(ByVal sender As System.Object, ByVal e As AxSftTreeLib80._DSftTreeEvents_ItemExpandedEvent) Handles AxSftTree1.ItemExpanded
    If e.itemIndex = 2 Then
        AxWindowsMediaPlayer1.Ctlcontrols.play()
    End If
End Sub

Private Sub AxSftTree1_ItemCollapsed(ByVal sender As System.Object, ByVal e As AxSftTreeLib80._DSftTreeEvents_ItemCollapsedEvent) Handles AxSftTree1.ItemCollapsed
    If e.itemIndex = 2 Then

View Entire Sample Code

C++

void CContentWindowsDlg::OnItemDblClickSfttree1(long ItemIndex, short ColIndex, short AreaType, short Button, short Shift) 
{
    if (AreaType == constSftTreeColumnRes)
        m_vTree->Column[ColIndex]->MakeOptimal();   
}

BEGIN_EVENTSINK_MAP(CContentWindowsDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CContentWindowsDlg)
    ON_EVENT(CContentWindowsDlg, IDC_SFTTREE1, 42 /* ItemExpanded */, OnItemExpandedSfttree1, VTS_I4)
    ON_EVENT(CContentWindowsDlg, IDC_SFTTREE1, 41 /* ItemCollapsed */, OnItemCollapsedSfttree1, VTS_I4)
    ON_EVENT(CContentWindowsDlg, IDC_SFTTREE1, 5 /* ItemDblClick */, OnItemDblClickSfttree1, VTS_I4 VTS_I2 VTS_I2 VTS_I2 VTS_I2)
    //}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

BOOL CContentWindowsDlg::OnWndMsg(UINT message, WPARAM wParam, LPARAM lParam, LRESULT* pResult)
{

View Entire Sample Code

See Also SftTree Object | Object Hierarchy