Speed Sample (C++)
This sample tests the tree control's performance when adding and deleting large numbers of items.
The source code is located at C:\Program Files (x86)\Softelvdm\SftTree OCX 8.0\Samples\VC++\Speed\SpeedDlg.cpp or C:\Program Files\Softelvdm\SftTree OCX 8.0\Samples\VC++\Speed\SpeedDlg.cpp (on 32-bit Windows versions).
/****************************************************************************/
/* SftTree/OCX 8.0 - ActiveX Tree Control for Windows */
/* Copyright (C) 1995, 2026 Softel vdm, Inc. All Rights Reserved. */
/****************************************************************************/
#include "stdafx.h"
#include "Speed.h"
#include "SpeedDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CSpeedDlg dialog
CSpeedDlg::CSpeedDlg(CWnd* pParent /*=NULL*/)
: CDialog(CSpeedDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CSpeedDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
m_BitmapExpandable.LoadBitmap(IDB_EXP);
m_BitmapExpanded.LoadBitmap(IDB_EXPD);
m_BitmapLeaf.LoadBitmap(IDB_LEAF);
}
void CSpeedDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CSpeedDlg)
DDX_Control(pDX, IDC_SFTTREE1, m_Tree1);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CSpeedDlg, CDialog)
/* Handling expanding/collapsing items */
//{{AFX_MSG_MAP(CSpeedDlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDADD100, OnAdd100)
ON_BN_CLICKED(IDADD1000, OnAdd1000)
ON_BN_CLICKED(IDADD10000, OnAdd10000)
ON_BN_CLICKED(IDADD20000, OnAdd20000)
ON_BN_CLICKED(IDADD5000, OnAdd5000)
ON_BN_CLICKED(IDCLEAR, OnClear)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CSpeedDlg message handlers
BOOL CSpeedDlg::OnInitDialog()
{
CDialog::OnInitDialog();
SftDarkMode_ApplyToDialog(m_hWnd);
{
CWnd* pTreeWnd = GetDlgItem(IDC_SFTTREE1);
if (pTreeWnd != NULL) {
ISftTreePtr pTreeDM(pTreeWnd->GetControlUnknown());
if (pTreeDM != NULL) {
pTreeDM->DarkMode = darkSftTreeAuto; // follow the Windows dark mode setting
pTreeDM->HighContrastMode = highContrastSftTreeAuto; // follow the Windows High Contrast setting
}
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
m_ItemTotal = 0;
ISftTreePtr vTree1 = m_Tree1.GetControlUnknown();
vTree1->Headers->put_Appearance(headerSftTreeNone); // hide headers
// set item pictures - this can be done at design time using the property sheets also
vTree1->Items->ItemImageExpandable->put_PictureH((LONG_PTR)(HBITMAP)m_BitmapExpandable);
vTree1->Items->ItemImageExpanded->put_PictureH((LONG_PTR)(HBITMAP)m_BitmapExpanded);
vTree1->Items->ItemImageLeaf->put_PictureH((LONG_PTR)(HBITMAP)m_BitmapLeaf);
return TRUE; // return TRUE unless you set the focus to a control
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CSpeedDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CSpeedDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CSpeedDlg::AddItems(long count)
{
CWaitCursor wt;
long index;
TCHAR szBuffer[512];
ISftTreePtr vTree1 = m_Tree1.GetControlUnknown();
vTree1->BulkUpdate = VARIANT_TRUE;
if (vTree1->Items->Count > 0) {
vTree1->Items->Current = 0;
vTree1->Item[0]->Selected = VARIANT_TRUE;
}
for (long i = 0 ; i < count ; ) {
wsprintf(szBuffer, _T("Item %d"), m_ItemTotal++);
index = vTree1->Items->Add(szBuffer);
++i;
wsprintf(szBuffer, _T("Item %d"), m_ItemTotal++);
index = vTree1->Items->Add(szBuffer);
vTree1->Item[index]->Level = 1;
++i;
wsprintf(szBuffer, _T("Item %d"), m_ItemTotal++);
index = vTree1->Items->Add(szBuffer);
vTree1->Item[index]->Level = 2;
++i;
wsprintf(szBuffer, _T("Item %d"), m_ItemTotal++);
index = vTree1->Items->Add(szBuffer);
vTree1->Item[index]->Level = 1;
++i;
}
vTree1->Items->Current = index;
vTree1->Item[index]->Selected = VARIANT_TRUE;
vTree1->BulkUpdate = VARIANT_FALSE;
vTree1->Items->CalcLimit = 100;
vTree1->RowHeaders->MakeOptimal();
vTree1->Items->RecalcHorizontalExtent();
vTree1->Items->HorizontalExtentPix = vTree1->Items->HorizontalExtentPix + 30;
}
void CSpeedDlg::OnAdd100()
{
AddItems(100);
}
void CSpeedDlg::OnAdd1000()
{
AddItems(1000);
}
void CSpeedDlg::OnAdd5000()
{
AddItems(5000);
}
void CSpeedDlg::OnAdd10000()
{
AddItems(10000);
}
void CSpeedDlg::OnAdd20000()
{
AddItems(20000);
}
void CSpeedDlg::OnClear()
{
CWaitCursor wt;
ISftTreePtr vTree1 = m_Tree1.GetControlUnknown();
vTree1->Items->Clear();
m_ItemTotal = 0;
}
void CSpeedDlg::OnItemClickSftTree1(long ItemIndex, short ColIndex, short AreaType, short Button, short Shift)
{
if (AreaType == constSftTreeExpandAll) {
ISftTreePtr vTree1 = m_Tree1.GetControlUnknown();
vTree1->Items->Expand(VARIANT_TRUE, VARIANT_TRUE);
}
}
BEGIN_EVENTSINK_MAP(CSpeedDlg, CDialog)
//{{AFX_EVENTSINK_MAP(CSpeedDlg)
ON_EVENT(CSpeedDlg, IDC_SFTTREE1, 4 /* ItemClick */, OnItemClickSftTree1, VTS_I4 VTS_I2 VTS_I2 VTS_I2 VTS_I2)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
BOOL CSpeedDlg::OnWndMsg(UINT message, WPARAM wParam, LPARAM lParam, LRESULT* pResult)
{
INT_PTR dmResult;
if (SftDarkMode_HandleDialogMessage(m_hWnd, message, wParam, lParam, &dmResult)) {
if (pResult) *pResult = dmResult;
return TRUE;
}
return CDialog::OnWndMsg(message, wParam, lParam, pResult);
}
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