ShellExecute:
1.函數功能:
你可以給它任何檔案的名字,它都能識別出來並開啟它。
2.函數原型:
HINSTANCE ShellExecute(
HWND hwnd,
LPCTSTR lpOperation,
LPCTSTR lpFile,
LPCTSTR lpParameters,
LPCTSTR lpDirectory,
INT nShowCmd
);
3.參數說明:
hwnd:
用於指定父視窗控制代碼。當函數調用過程出現錯誤時,它將作為Windows訊息視窗的父視窗。
lpOperation:
用於指定要進行的操作。
“open”動作表示執行由lpFile參數指定的程式,或開啟由lpFile參數指定的檔案或檔案夾;
“print”動作表示列印由lpFile參數指定的檔案;
“explore”動作表示瀏覽由lpFile參數指定的檔案夾。
當參數設為NULL時,表示執行預設操作“open”。
lpFile:
用於指定要開啟的檔案名稱、要執行的程式檔案名稱或要瀏覽的檔案夾名。
lpParameters:
若lpFile參數是一個可執行程式,則此參數指定命令列參數,否則此參數應為NULL.
lpDirectory:
用於指定預設目錄.
nShowCmd:
若lpFile參數是一個可執行程式,則此參數指定程式視窗的初始顯示方式,否則此參數應設定為0。
這個參數常用的常數:
SW_HIDE 隱藏視窗,活動狀態給令一個視窗
SW_MINIMIZE 已最小化的視窗,活動狀態給令一個視窗
SW_RESTORE 用原來的大小和位置顯示一個視窗,同時令其進入活動狀態
SW_SHOW 用當前的大小和位置顯示一個視窗,同時令其進入活動狀態
SW_SHOWMAXIMIZED 已最大化的視窗,並將其啟用
SW_SHOWMINIMIZED 已最小化的視窗,並將其啟用
SW_SHOWMINNOACTIVE 最小化一個視窗,同時不改變使用中視窗
SW_SHOWNA 用當前的大小和位置顯示一個視窗,不改變使用中視窗
SW_SHOWNOACTIVATE 用最近的大小和位置顯示一個視窗,同時不改變使用中視窗
SW_SHOWNORMAL 與SW_RESTORE相同
若ShellExecute函數調用成功,則傳回值為被執行程式的執行個體控制代碼。若傳回值小於32,則表示出現錯誤。
4.使用方法:
例如:
ShellExecute(NULL,"open","iloveu.bmp",NULL,NULL,SW_SHOWNORMAL);
用預設的位元影像編輯器開啟一個叫iloveu.bmp的位元影像檔案,這個預設的位元影像編輯器可能是 Microsoft Paint, Adobe Photoshop, 或者 Corel PhotoPaint。
這個函數能開啟任何檔案,甚至是案頭和URL捷徑( .ink或 .url)。ShellExecute解析系統註冊表HKEY_CLASSES_ROOT中所有的內容,判斷啟動那一個執行程式,並且啟動一個新的執行個體或使用DDE將檔案名稱連到一開啟的執行個體。然後,ShellExecute 返回開啟檔案的應用的執行個體控制代碼。
ShellExecute(NULL, "open", "http://www.microsoft.com", NULL, NULL, SW_SHOWNORMAL);
這個代碼使你能訪問微軟的首頁。當ShellExecute遇到檔案名稱前面的“http:”時,可以判斷出要開啟的檔案是Web檔案,隨之啟動Internet Explorer 或者 Netscape Navigator 或者任何你使用的別的瀏覽器開啟檔案。
ShellExecute還能識別其它協議,象FTP、GOPHER。甚至識別“mailto”,如果檔案名稱指向“mailto:zxn@hq.cninfo.net”,它啟動電子郵件程式並開啟一個待編輯的新郵件,例如:
ShellExecute(NULL, "open",“mailto:zxn@hq.cninfo.net”, NULL, NULL, SW_SHOWNORMAL);開啟新郵件視窗。
總之,ShellExecute函數就是如此簡單地開啟磁碟檔案和Internet檔案。如果將第二個參數“OPEN”改為“PRINT”或者“EXPLORE”,ShellExecute將能列印檔案和開啟檔案夾。ShellExecute還有一個擴充函數ShellExecuteEx,所帶參數中有一個特殊的結構,功能更強,或者任何你使用的別的瀏覽器開啟檔案。
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Q: 如何開啟一個應用程式?
ShellExecute(this->m_hWnd,"open","calc.exe","","", SW_SHOW );或 ShellExecute(this->m_hWnd,"open","notepad.exe","c:\MyLog.log","",SW_SHOW );正如您所看到的,我並沒有傳遞程式的完整路徑。
Q: 如何開啟一個同系統程式相關連的文檔?ShellExecute(this->m_hWnd,"open","c:\abc.txt","","",SW_SHOW );
Q: 如何開啟一個網頁?
ShellExecute(this->m_hWnd,"open","http://www.google.com","","", SW_SHOW );
Q: 如何啟用相關程式,發送EMAIL?
ShellExecute(this->m_hWnd,"open","mailto:nishinapp@yahoo.com","","", SW_SHOW );
Q: 如何用系統印表機列印文檔?
ShellExecute(this->m_hWnd,"print","c:\abc.txt","","", SW_HIDE);
Q: 如何用系統尋找功能來尋找指定檔案?
ShellExecute(m_hWnd,"find","d:\nish",NULL,NULL,SW_SHOW);
Q: 如何啟動一個程式,直到它運行結束?
SHELLEXECUTEINFO ShExecInfo = {0};
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
ShExecInfo.hwnd = NULL;
ShExecInfo.lpVerb = NULL;
ShExecInfo.lpFile = "c:\MyProgram.exe";
ShExecInfo.lpParameters = "";
ShExecInfo.lpDirectory = NULL;
ShExecInfo.nShow = SW_SHOW;
ShExecInfo.hInstApp = NULL;
ShellExecuteEx(&ShExecInfo);
WaitForSingleObject(ShExecInfo.hProcess,INFINITE);
或:
PROCESS_INFORMATION ProcessInfo;
STARTUPINFO StartupInfo; //This is an [in] parameter
ZeroMemory(&StartupInfo, sizeof(StartupInfo));
StartupInfo.cb = sizeof StartupInfo ; //Only compulsory field
if(CreateProcess("c:\winnt\notepad.exe", NULL,
NULL,NULL,FALSE,0,NULL,
NULL,&StartupInfo,&ProcessInfo))
{
WaitForSingleObject(ProcessInfo.hProcess,INFINITE);
CloseHandle(ProcessInfo.hThread);
CloseHandle(ProcessInfo.hProcess);
}
else
{
MessageBox("The process could not be started...");
}
Q: 如何顯示檔案或檔案夾的屬性?
SHELLEXECUTEINFO ShExecInfo ={0};
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = SEE_MASK_INVOKEIDLIST ;
ShExecInfo.hwnd = NULL;
ShExecInfo.lpVerb = "properties";
ShExecInfo.lpFile = "c:\"; //can be a file as well
ShExecInfo.lpParameters = "";
ShExecInfo.lpDirectory = NULL;
ShExecInfo.nShow = SW_SHOW;
ShExecInfo.hInstApp = NULL;
ShellExecuteEx(&ShExecInfo); Windows CE ShellExecuteEx 不支援 SEE_MASK_IDLIST 或 SEE_MASK_INVOKEIDLIST 標誌。 因此,不能使用通過調用系統檔案夾中開啟 Windows 資源管理員的 SHGetSpecialFolderLocation 所得到的 LPITEMIDLIST。
相反,使用下面的類別識別碼,您要開啟調用 ShellExecuteEx 時的系統檔案夾:
Control Panel - {000314FE-0000-0000-C000-000000000046}
My Computer - {000214A0-0000-0000-C000-000000000046}
Recycle Bin - {000214A1-0000-0000-C000-000000000046}
Databases - {000214A4-0000-0000-C000-000000000046}
您可以在控制台檔案夾中開啟 Windows 資源管理員的執行個體使用以下函數。 請注意 CLSID 必須被括在引號。
BOOL WINAPI OpenControlPanel ()
{
TCHAR szControlPanel[] = L"""
{000314FE-0000-0000-C000-000000000046}""";
SHELLEXECUTEINFO sei = {0};
sei.cbSize = sizeof (SHELLEXECUTEINFO);
sei.lpVerb = L"Open";
sei.lpFile = szControlPanel;
sei.nShow = SW_SHOW;
sei.hInstApp = hInstance;
return ShellExecuteEx (&sei);
}
樣本:
1:開啟EXE
SHELLEXECUTEINFO lpExecInfo = {0};
lpExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
lpExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
lpExecInfo.lpVerb = L"Open";
lpExecInfo.hwnd = NULL;
lpExecInfo.lpFile = L"calc.exe";
lpExecInfo.lpDirectory = L"\\windows";
lpExecInfo.nShow = SW_SHOW;
lpExecInfo.lpParameters = NULL;
lpExecInfo.hInstApp = NULL;
ShellExecuteEx(&lpExecInfo);
2:開啟指定檔案夾
SHELLEXECUTEINFO lpExecInfo = {0};
lpExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
lpExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
lpExecInfo.lpVerb = L"Open";
lpExecInfo.hwnd = NULL;
lpExecInfo.lpFile = L"fexplore.exe";
lpExecInfo.lpDirectory = NULL;//L"\\windows";
lpExecInfo.nShow = SW_SHOW;
lpExecInfo.lpParameters = L"\\Windows\\“開始”菜單\\程式";
lpExecInfo.hInstApp = NULL;
ShellExecuteEx(&lpExecInfo);
Q: 如何開啟一個應用程式?
ShellExecute(this->m_hWnd,"open","calc.exe","","", SW_SHOW );或
ShellExecute(this->m_hWnd,"open","notepad.exe",
"c:\\MyLog.log","",SW_SHOW );正如您所看到的,我並沒有傳遞程式的完整路徑。
Q: 如何開啟一個同系統程式相關連的文檔?
ShellExecute(this->m_hWnd,"open",
"c:\\abc.txt","","",SW_SHOW );Q: 如何開啟一個網頁?
ShellExecute(this->m_hWnd,"open",
"http://www.google.com","","", SW_SHOW );Q: 如何啟用相關程式,發送EMAIL?
ShellExecute(this->m_hWnd,"open",
"mailto:nishinapp@yahoo.com","","", SW_SHOW );Q: 如何用系統印表機列印文檔?
ShellExecute(this->m_hWnd,"print",
"c:\\abc.txt","","", SW_HIDE);Q: 如何用系統尋找功能來尋找指定檔案?
ShellExecute(m_hWnd,"find","d:\\nish",
NULL,NULL,SW_SHOW);Q: 如何啟動一個程式,直到它運行結束?
SHELLEXECUTEINFO ShExecInfo = {0};
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
ShExecInfo.hwnd = NULL;
ShExecInfo.lpVerb = NULL;
ShExecInfo.lpFile = "c:\\MyProgram.exe";
ShExecInfo.lpParameters = "";
ShExecInfo.lpDirectory = NULL;
ShExecInfo.nShow = SW_SHOW;
ShExecInfo.hInstApp = NULL;
ShellExecuteEx(&ShExecInfo);
WaitForSingleObject(ShExecInfo.hProcess,INFINITE);或:
PROCESS_INFORMATION ProcessInfo;
STARTUPINFO StartupInfo; //This is an [in] parameter
ZeroMemory(&StartupInfo, sizeof(StartupInfo));
StartupInfo.cb = sizeof StartupInfo ; //Only compulsory field
if(CreateProcess("c:\\winnt\\notepad.exe", NULL,
NULL,NULL,FALSE,0,NULL,
NULL,&StartupInfo,&ProcessInfo))
{
WaitForSingleObject(ProcessInfo.hProcess,INFINITE);
CloseHandle(ProcessInfo.hThread);
CloseHandle(ProcessInfo.hProcess);
}
else
{
MessageBox("The process could not be started...");
}
Q: 如何顯示檔案或檔案夾的屬性?
SHELLEXECUTEINFO ShExecInfo ={0};
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = SEE_MASK_INVOKEIDLIST ;
ShExecInfo.hwnd = NULL;
ShExecInfo.lpVerb = "properties";
ShExecInfo.lpFile = "c:\\"; //can be a file as well
ShExecInfo.lpParameters = "";
ShExecInfo.lpDirectory = NULL;
ShExecInfo.nShow = SW_SHOW;
ShExecInfo.hInstApp = NULL;
ShellExecuteEx(&ShExecInfo);
如何判斷通過ShellExecute執行的應用程式已經執行完畢
方法一:
...... // 程式碼
SHELLEXECUTEINFO sei;
memset(&sei, 0, sizeof(SHELLEXECUTEINFO));
sei.cbSize = sizeof(SHELLEXECUTEINFO);
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
sei.lpVerb = _T("open");
sei.lpFile = _T("aa.exe");
sei.nShow = SW_SHOWDEFAULT;
ShellExecuteEx(&sei);
WaitForSingleObject(sei.hProcess, INFINITE);
CloseHandle(sei.hProcess);
...... // 程式碼
方法二:
通過CreateProcess建立一個進程,然後進行等待。
STARTUPINFO si;
PROCESS_INFORMATION pi;
ZeroMemory( &si, sizeof(si) );
si.cb = sizeof(si);
ZeroMemory( &pi, sizeof(pi) );
// 建立子進程
if( !CreateProcess( NULL, // No module name (use command line).
"MyChildProcess", // Command line.
NULL, // Process handle not inheritable.
NULL, // Thread handle not inheritable.
FALSE, // Set handle inheritance to FALSE.
0, // No creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si, // Pointer to STARTUPINFO structure.
&pi ) // Pointer to PROCESS_INFORMATION structure.
)
{
ErrorExit( "CreateProcess failed." );
}
// 等待子進程退出
WaitForSingleObject( pi.hProcess, INFINITE );
// 關閉控制代碼
CloseHandle( pi.hProcess );
CloseHandle( pi.hThread );