在 CTreeCtrl 中枚举系统中的所有窗口!(II)

王朝vc·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

这是实现文件

// WinList.cpp : implementation file

//

#include "stdafx.h"

#include "mfc.h"

#include "WinList.h"

#include "mfcApi.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif

/////////////////////////////////////////////////////////////////////////////

// CWinList dialog

CWinList::CWinList(CWnd* pParent /*=NULL*/)

: CDialog(CWinList::IDD, pParent)

{

//{{AFX_DATA_INIT(CWinList)

// NOTE: the ClassWizard will add member initialization here

//}}AFX_DATA_INIT

}

void CWinList::DoDataExchange(CDataExchange* pDX)

{

CDialog::DoDataExchange(pDX);

//{{AFX_DATA_MAP(CWinList)

DDX_Control(pDX, IDTREE, m_Tree);

//}}AFX_DATA_MAP

}

BEGIN_MESSAGE_MAP(CWinList, CDialog)

//{{AFX_MSG_MAP(CWinList)

ON_BN_CLICKED(IDREFRESH, OnRefresh)

ON_NOTIFY(TVN_SELCHANGED, IDTREE, OnSelchangedTree)

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////

// CWinList message handlers

static CDWordArray WinArray;

static unsigned long Level;

static int Ignore[10];

static HWND hPrevWnd;

BOOL CALLBACK CWinList::EnumChildProc(HWND hwnd,LPARAM lParam)

{

Ignore[Level]++;

if (Ignore[Level+1]) Ignore[Level+1]--;

else

{ WinArray.Add((unsigned long)((Level<<16)|(unsigned long)hwnd));

Level++;Ignore[Level+1]=0;

EnumChildWindows(hwnd,EnumChildProc,(long)0);

Level--;

}

return TRUE;

}

BOOL CALLBACK CWinList::EnumWindowsProc(HWND hwnd, LPARAM lParam)

{

WinArray.Add((unsigned long)hwnd);

Level=1;Ignore[Level+1]=0;

EnumChildWindows(hwnd,EnumChildProc,(long)0);

return TRUE;

}

void CWinList::BuiltTree(HWND hWnd)

{ char Temp[90];

char Text[50];

char Name[20];

TreeItem.hParent=RootArray[RootPt];

::GetWindowText(hWnd,Text,50);

::GetClassName(hWnd,Name,20);

sprintf(Temp,"[%04x]:{%s}:%s",hWnd,Name,Text);

TreeItem.item.pszText=Temp;

TreeItem.item.lParam=(unsigned long)hWnd;

HTREEITEM TempItem=m_Tree.InsertItem(&TreeItem);

RootArray[RootPt+1]=TempItem;

}

void CWinList::DrawFlash(HWND hWnd)

{

HDC hDC;

RECT rc;

HPEN hPen;

::GetWindowRect(hWnd, &rc);

hDC=::GetWindowDC(hWnd);

::SetROP2(hDC,R2_NOT);

hPen=::CreatePen(PS_INSIDEFRAME,5*GetSystemMetrics(SM_CXBORDER),RGB(255,0,0));

::SelectObject(hDC,hPen);

::SelectObject(hDC,GetStockObject(NULL_BRUSH));

::Rectangle(hDC,0,0,rc.right-rc.left,rc.bottom-rc.top);

::ReleaseDC(hWnd,hDC);

::DeleteObject(hPen);

}

void CWinList::Refresh()

{ RootArray[0]=TVI_ROOT;

RootPt=0;

TreeItem.hInsertAfter=TVI_LAST;

TreeItem.item.mask=TVIF_TEXT|TVIF_PARAM;

WinArray.RemoveAll();

m_Tree.SetFont(&TreeFont);

m_Tree.DeleteAllItems();

Level=0;

for(int j=0;j<10;j++) Ignore[j]=0;

EnumWindows(EnumWindowsProc,(long)0);

for(int i=0;i<WinArray.GetSize();i++)

{ RootPt=(int)((WinArray[i]&0xFFFF0000)>>16);

BuiltTree((HWND)(WinArray[i]&0x0000FFFF));

}

}

BOOL CWinList::OnInitDialog()

{

CDialog::OnInitDialog();

// TODO: Add extra initialization here

m_hSelected=NULL;

hPrevWnd=NULL;

Refresh();

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

// EXCEPTION: OCX Property Pages should return FALSE

}

void CWinList::OnRefresh()

{

// TODO: Add your control notification handler code here

Refresh();

}

void CWinList::OnSelchangedTree(NMHDR* pNMHDR, LRESULT* pResult)

{

NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;

// TODO: Add your control notification handler code here

HWND hWnd=(HWND)pNMTreeView->itemNew.lParam;

m_hSelected=hWnd;

if (hPrevWnd) DrawFlash(hPrevWnd);

hPrevWnd=hWnd;

DrawFlash(hWnd);

*pResult = 0;

}

BOOL CWinList::DestroyWindow()

{

// TODO: Add your specialized code here and/or call the base class

if (hPrevWnd) DrawFlash(hPrevWnd);

return CDialog::DestroyWindow();

}

/////////////////////////////////////////////////////////////////////////////

// DLL Export Interface

extern "C"

HWND FAR PASCAL EXPORT SearchWindow()

{

CWinList WinList;

if (WinList.DoModal()==IDOK)

return WinList.m_hSelected;

else

return (HWND)NULL;

}

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│ 贝 贝 │

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