方法积累

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

///启动文件/////////////////////////////////////////////////////////////////////////////启动文件

//获得文件路径

GetCurrentDirectory(MAX_PATH, szFilePath);
 strcat(szFilePath, _T("//"));
 strcat(szFilePath, m_szFileName);

 

//申明结构体

 SHELLEXECUTEINFO ShExecInfo = {0};
 ShExecInfo.cbSize           = sizeof(SHELLEXECUTEINFO);
 ShExecInfo.fMask            = SEE_MASK_NOCLOSEPROCESS;
 ShExecInfo.hwnd             = NULL;
 ShExecInfo.lpVerb           = NULL;
 ShExecInfo.lpFile           =  szFilePath;   //路径
 ShExecInfo.lpParameters     = ""; 
 ShExecInfo.lpDirectory      = NULL;
 ShExecInfo.nShow            = SW_SHOW;
 ShExecInfo.hInstApp         = NULL; 

//启动

 ShellExecuteEx(&ShExecInfo);

 

 

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

///下载文件cstrUrl是文件地址url//////////////////////////////////////////////////下载文件/////

BOOL CRequestFile::DownloadFile(CString cstrUrl)
{
 //解析文件名
 char *pszUrl = NULL;
 char *pszFileName = NULL;
 string strUrl = cstrUrl.GetBuffer();
 //pszUrl = strUrl.c_str();
 //memset(pszUrl, 0, MAX_PATH * 2);
 pszUrl = new char[MAX_PATH];
 sprintf_s(pszUrl, MAX_PATH, "%s", strUrl.c_str());
 string::size_type sizeType;
 sizeType = strUrl.find_last_of('/');
 pszFileName = &pszUrl[sizeType + 1];
 

 CInternetSession cis;
 CHttpConnection *pHttpCon;
 DWORD dwType;
 CString cstrFilePath;
 CString cstrServer;
 INTERNET_PORT INTERPort;

 

 AfxParseURL((LPCTSTR)cstrUrl, dwType
  , cstrServer, cstrFilePath, INTERPort);
 cis.SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 5000);

 if (cstrServer.IsEmpty())
 {
  return FALSE;
 }

 

 pHttpCon = cis.GetHttpConnection(cstrServer, INTERPort);

 CHttpFile *pHttpFile = pHttpCon->OpenRequest(CHttpConnection::HTTP_VERB_GET, /
         cstrFilePath, /
         NULL, /
         1, /
         NULL, /
         NULL, /
         HSR_DOWNLOAD | INTERNET_FLAG_EXISTING_CONNECT
         | INTERNET_FLAG_NO_AUTO_REDIRECT);
 
 try
 {
  m_bSendRet = pHttpFile->SendRequest();
 }
 catch (CInternetException* pEx)
 {
  TCHAR tszError[MAX_PATH] = {0};
  pEx->GetErrorMessage(tszError, MAX_PATH);
  MessageBox(tszError, "Error");
 }

 

 if (pHttpFile)
 {
  CString cstrQuery;
  pHttpFile->QueryInfo(HTTP_QUERY_STATUS_CODE, cstrQuery);
  if (atol(cstrQuery) != DOWNLOAD_SUCCESS)
  {
   pHttpFile->Close();
   return FALSE;
  }

 

  int n;
  char szDownFileLocalPath[MAX_PATH] = {0};
  GetCurrentDirectory(MAX_PATH, szDownFileLocalPath);
  strcat(szDownFileLocalPath, _T("//"));
  strcat(szDownFileLocalPath, pszFileName);

  CStdioFile csf;
  if (!csf.Open(szDownFileLocalPath, CFile::modeCreate | CFile::modeWrite
   | CFile::typeBinary | CFile::shareDenyWrite))
  {
   pHttpFile->Close();
   return FALSE;
  }

 

  char szBuff[MAX_PATH * 2] = {0};

  DWORD dwRead = 0;
  DWORD SendRead = 0;
  while ((n = pHttpFile->Read(szBuff, sizeof(szBuff))) > 0)
  {
   dwRead += (DWORD)n;
   csf.Write(szBuff, n);
   memset(szBuff, 0, MAX_PATH * 2);
   SendRead = dwRead / MAX_PATH;
   ::SendMessage(m_hWndProDlg, WM_UPDATE, dwRead, 0);
  }
  MessageBox("completed");

  csf.Close();
 }
 else
 {
  return FALSE;
 }

 

 try
   {
  m_bSendRet = pHttpFile->SendRequest();
   }
 catch (CInternetException* pEx)
   {
  TCHAR tszError[MAX_PATH] = {0};
  pEx->GetErrorMessage(tszError, MAX_PATH);
  pHttpFile->Close();
  return FALSE;
   }

 

 pHttpFile->Close();

 delete []pszUrl;
 pszUrl = NULL;
 return TRUE;
}

 

 

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

///使窗体半透明//////////////////////////////////////////////////////////////使窗体半透明/////

void CTestrDlg::SetLayeredWndAttr(int iSetTransprc, int iSetTrancAttr)
{
 //加入WS_EX_LAYERED扩展属性
 SetWindowLong(this->GetSafeHwnd(), GWL_EXSTYLE,
  GetWindowLong(this->GetSafeHwnd(), GWL_EXSTYLE)^0x80000);
 HINSTANCE hInst = LoadLibrary("User32.DLL");
 if (hInst)
  {
     typedef BOOL (WINAPI *MYFUNC)(HWND, COLORREF, BYTE, DWORD);
     MYFUNC fun = NULL;
     //取得SetLayeredWindowAttributes函数指针
     fun = (MYFUNC)GetProcAddress(hInst, "SetLayeredWindowAttributes");
     if (fun)
     {
        fun(this->GetSafeHwnd(), 0, iSetTransprc, iSetTrancAttr);
        FreeLibrary(hInst);
     }
   }
}

 

 

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

///如何弹出鼠标提示框///////////////////////////////////////////////////如何弹出鼠标提示框/////

//使用tip的对话框BOOL CTestDlg::OnInitDialog(){//.......// TODO: 在此添加额外的初始化代码//tooltipm_toolTip.Create(this);CStringArray straInfo;straInfo.RemoveAll();straInfo.Add("是否更新提示");m_toolTip.AddControlInfo(IDC_STATIC1, straInfo, RGB(0,0,255));straInfo.RemoveAll();straInfo.Add("You can change the URL here");straInfo.Add("http://");straInfo.Add("IP or host name");straInfo.Add("File name");m_toolTip.AddControlInfo(IDC_EDIT1, straInfo, RGB(0,0,255), RGB(255,0,192));straInfo.RemoveAll();straInfo.Add("Click to download");m_toolTip.AddControlInfo(IDC_OKDOWN, straInfo, RGB(255,255,0));straInfo.RemoveAll();straInfo.Add("Click to quit");m_toolTip.AddControlInfo(IDC_CANCEL, straInfo, RGB(192,0,192));return TRUE; // 除非将焦点设置到控件，否则返回 TRUE}BOOL CTestDlg::PreTranslateMessage(MSG* pMsg){// TODO: 在此添加专用代码和/或调用基类if (WM_MOUSEMOVE == pMsg->message){POINT pt = pMsg->pt;ScreenToClient(&pt);m_toolTip.ShowToolTip((CPoint)pt);}return CDialog::PreTranslateMessage(pMsg);}//CMFECToolTip类//MFECToolTip.h#ifndef _MFECTOOLTIP_H_ #define _MFECTOOLTIP_H_ // default tooltip colors #define IVORY RGB(255, 255, 220) #define BLACK RGB(0, 0, 0) // this structure holds all the tooltip information struct ToolTipInfo : public CObject { UINT nControlID; // ID of the control UINT nInfoSize; // number of lines in the info CStringArray nControlInfo; // container of the information COLORREF nTextColor; // text color COLORREF nBackColor; // background color }; class CMFECToolTip : public CWnd { // Construction public: CMFECToolTip(); // standard constructor virtual ~CMFECToolTip(); // destructor void Create(CWnd* pWnd); void ErasePreviousToolTipDisplay( UINT ); void ShowToolTip( UINT ); // explicitly shown the tooltip given the control ID // NOTE: the user must override the PreTranslateMessage in the calling window in order // to handle mousemovent. void ShowToolTip( CPoint& ); // called only during Mousemovement // tooltip functions BOOL AddControlInfo( UINT, CStringArray&, COLORREF back=IVORY, COLORREF text=BLACK ); BOOL RemoveControlInfo( UINT ); // inline functions void SetFontSize( int size ) { m_nFontSize = size; } // Implementation protected: CWnd* m_pParentWnd; int m_nHeight; int m_nWidth; int m_nFontSize; int m_nTotalLine; int m_maxCharInLine; virtual void CalculateInfoBoxRect(UINT nControlID, CRect* pInfoRect); virtual void CalculateHeightAndWidth(CStringArray& straInfos); private: ToolTipInfo* IsControlIDExisting( UINT ); void DisplayInfo( ToolTipInfo* ); private: CObArray m_aControlInfo; UINT m_currentControlID; }; #endif//MFECToolTip.cpp#include "stdafx.h" #include "MFECToolTip.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CMFECToolTip CMFECToolTip::CMFECToolTip() { m_nHeight = 0; m_nWidth = 0; m_nFontSize = 14; // original size m_currentControlID = 0; m_pParentWnd = NULL; m_aControlInfo.RemoveAll(); } CMFECToolTip::~CMFECToolTip() { ToolTipInfo *pInfo = NULL; int nSize = m_aControlInfo.GetSize(); for( int i = 0; i < nSize; i++ ) { pInfo = (ToolTipInfo*)m_aControlInfo.GetAt( i ); delete pInfo; } m_aControlInfo.RemoveAll(); } void CMFECToolTip::Create(CWnd* pWnd) { m_pParentWnd = pWnd; } void CMFECToolTip::ErasePreviousToolTipDisplay( UINT nControlID ) { //This assertion fails because you did not call Create() first. //m_pParentWnd was not initialized. ASSERT(m_pParentWnd); //if erase already, do not do it again if((m_nHeight == 0) || (m_nWidth == 0)) return; CRect oInfoRect(0,0,0,0); CalculateInfoBoxRect(nControlID, &oInfoRect); m_pParentWnd->InvalidateRect(&oInfoRect); m_pParentWnd->UpdateWindow(); m_nHeight = 0; m_nWidth = 0; } void CMFECToolTip::CalculateHeightAndWidth(CStringArray& straInfos) { //This assertion fails because you did not call Create() first. //m_pParentWnd was not initialized. ASSERT(m_pParentWnd); int nMaxLength = 0; int nLength; int nLine = straInfos.GetSize(); m_nTotalLine = nLine; // holder for maximum line of information for(int i=0; i<nLine; i++) { nLength = (straInfos[i]).GetLength(); if(nLength > nMaxLength) nMaxLength = nLength; } m_maxCharInLine = nMaxLength; // holder for longest char info m_nHeight = 12 + nLine * (m_nFontSize - 1); //m_nFontSize is the font size m_nWidth = 10 + (int)(7.5 * nMaxLength); //aproximately 5 pixel per char } void CMFECToolTip::CalculateInfoBoxRect(UINT nControlID, CRect* pInfoRect) { ASSERT(m_pParentWnd); CRect oRect(0,0,0,0); CRect oParentWindowRect(0,0,0,0); m_pParentWnd->GetWindowRect(&oParentWindowRect); m_pParentWnd->ScreenToClient(&oParentWindowRect); CWnd* pWnd = m_pParentWnd->GetDlgItem(nControlID); ASSERT(pWnd); pWnd->GetWindowRect(&oRect); m_pParentWnd->ScreenToClient(&oRect); //check if the box fit in the parent dialog SetFontSize( 14 ); int nBottom = oRect.bottom - ((oRect.bottom - oRect.top)/2) + m_nHeight; if(nBottom <= oParentWindowRect.bottom) { pInfoRect->top = oRect.bottom - (oRect.bottom - oRect.top)/2; pInfoRect->bottom = pInfoRect->top + m_nHeight; } else { // change the size of the font as well as the info box if all // info data cannot be viewed if( m_nHeight > (oParentWindowRect.bottom - oParentWindowRect.top) ) { SetFontSize( 12 ); m_nHeight = 12 + m_nTotalLine * (m_nFontSize - 1); //m_nFontSize is the font size m_nWidth = 10 + (int)(7 * m_maxCharInLine); } // end pInfoRect->bottom = oParentWindowRect.bottom - 1; pInfoRect->top = pInfoRect->bottom - m_nHeight; } //check if the box fit in the parent dialog int nRight = (oRect.left + oRect.right)/2 + m_nWidth; if(nRight <= oParentWindowRect.right) { pInfoRect->left = (oRect.left + oRect.right)/2; pInfoRect->right = pInfoRect->left + m_nWidth; } else { int nLeft = (oRect.left + oRect.right)/2 - m_nWidth; if(nLeft <= oParentWindowRect.left) { pInfoRect->left = oParentWindowRect.left + 1; pInfoRect->right = pInfoRect->left + m_nWidth; } else { pInfoRect->right = (oRect.left + oRect.right)/2; pInfoRect->left = pInfoRect->right - m_nWidth; } } ASSERT(pInfoRect->top <= pInfoRect->bottom); ASSERT(pInfoRect->left <= pInfoRect->right); } void CMFECToolTip::ShowToolTip( UINT nControlID ) { ToolTipInfo *pToolTip = IsControlIDExisting( nControlID ); if( pToolTip == NULL ) return; DisplayInfo( pToolTip ); } void CMFECToolTip::ShowToolTip( CPoint& point ) { CWnd* pWnd = m_pParentWnd->ChildWindowFromPoint(point); if( pWnd ) { if (pWnd == m_pParentWnd){ErasePreviousToolTipDisplay( m_currentControlID );return;}UINT nControlID = (UINT)pWnd->GetDlgCtrlID(); if( m_currentControlID != nControlID ) { ErasePreviousToolTipDisplay( m_currentControlID ); ShowToolTip( nControlID ); } } } void CMFECToolTip::DisplayInfo( ToolTipInfo* pToolTip ) { if( pToolTip->nInfoSize <= 0 ) return; ASSERT(m_pParentWnd); CDC* pDC = m_pParentWnd->GetDC(); CRect oInfoRect; CBrush oBrush, *pOldBrush, oBorderBrush; int nX, nY; TEXTMETRIC TM; int nTextHigh; CFont oFont, *pOldFont; CWnd* pWnd = NULL; pDC->SetBkMode(TRANSPARENT); oBrush.CreateSolidBrush( pToolTip->nBackColor ); pOldBrush = pDC->SelectObject( &oBrush ); pDC->SetTextColor( pToolTip->nTextColor ); //calculate the width and height of the box dynamically CalculateHeightAndWidth( pToolTip->nControlInfo ); CalculateInfoBoxRect( pToolTip->nControlID, &oInfoRect ); oFont.CreateFont(m_nFontSize, 0, 0, 0, FW_REGULAR, 0, 0, 0, 0, 0, 0, 0, 0, "Courier New"); pOldFont = pDC->SelectObject(&oFont); pDC->FillRect(&oInfoRect, &oBrush); pDC->SelectObject(pOldBrush); oBrush.DeleteObject(); oBorderBrush.CreateSolidBrush( pToolTip->nTextColor ); pOldBrush = pDC->SelectObject(&oBorderBrush); DrawEdge(pDC->m_hDC, &oInfoRect, BDR_RAISEDINNER | BDR_SUNKENOUTER, BF_RECT); pDC->SetTextAlign(TA_LEFT); pDC->GetTextMetrics(&TM); nTextHigh = TM.tmHeight + TM.tmExternalLeading - 2; nX = oInfoRect.left + 8; nY = oInfoRect.top + 5; //文字在框中的位置 for( register UINT i = 0; i < pToolTip->nInfoSize; i++) { pDC->TextOut(nX, nY, pToolTip->nControlInfo[i]); nY += m_nFontSize - 1; } pDC->SelectObject(pOldBrush); oBorderBrush.DeleteObject(); m_pParentWnd->ReleaseDC(pDC); } BOOL CMFECToolTip::AddControlInfo( UINT contolID, CStringArray& straInfo, COLORREF back, COLORREF text ) { ToolTipInfo *pToolTip = new ToolTipInfo; ASSERT( pToolTip != NULL ); int nSize = straInfo.GetSize(); if( pToolTip <= 0 ) // no information, don't add to the list and return FALSE { delete pToolTip; return FALSE; } pToolTip->nControlInfo.RemoveAll(); pToolTip->nInfoSize = nSize; pToolTip->nControlID = contolID; for( register int i = 0; i < nSize; i++ ) { pToolTip->nControlInfo.Add( straInfo[i] ); } // initialize colors, use default if not supplied pToolTip->nBackColor = back; pToolTip->nTextColor = text; // add to the list m_aControlInfo.Add( pToolTip ); return TRUE; } ToolTipInfo* CMFECToolTip::IsControlIDExisting( UINT controlID ) { ToolTipInfo *pToolTip = NULL; int nSize = m_aControlInfo.GetSize(); for( register int i = 0; i < nSize; i++ ) { pToolTip = (ToolTipInfo*)m_aControlInfo.GetAt( i ); if( pToolTip->nControlID == controlID ) // if found! { m_currentControlID = controlID; return pToolTip; } } m_currentControlID = 0; // if not found, reset the current control ID to refresh the display return NULL; } BOOL CMFECToolTip::RemoveControlInfo( UINT controlID ) { ToolTipInfo *pToolTip = NULL; int nSize = m_aControlInfo.GetSize(); for( register int i = 0; i < nSize; i++ ) { pToolTip = (ToolTipInfo*)m_aControlInfo.GetAt( i ); if( pToolTip->nControlID == controlID ) // if found! { if( m_currentControlID == controlID ) ErasePreviousToolTipDisplay( m_currentControlID ); m_aControlInfo.RemoveAt( i ); // remove the entry delete pToolTip; break; // break from the loop } } return TRUE; }