//打開文件管理窗口
 TCHAR szBuffer[MAX_PATH] = { 0 };
 OPENFILENAME file = { 0 };
 file.hwndOwner = NULL;
 file.lStructSize = sizeof(file);
 file.lpstrFilter = _T("Excel文件(*.xlsx,*.xls)\0*.xlsx;*.xls\0Txt文件(*.txt)\0*.txt\0");//要選擇的文件后綴
 file.lpstrInitialDir = _T("C:\\");//默認(rèn)的文件路徑 
 file.lpstrFile = szBuffer;//存放文件的緩沖區(qū)
 file.nMaxFile = sizeof(szBuffer) / sizeof(*szBuffer);
 file.nFilterIndex = 0;
 file.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXPLORER;//標(biāo)志如果是多選要加上OFN_ALLOWMULTISELECT
 BOOL bSel = GetOpenFileName(&file);

//保存路徑
TCHAR szBuffer[MAX_PATH] = {0}; 
 BROWSEINFO bi; 
 ZeroMemory(&bi,sizeof(BROWSEINFO)); 
 bi.hwndOwner = NULL; 
 bi.pszDisplayName = szBuffer; 
 bi.lpszTitle = _T("選擇保存文件路徑:"); 
 bi.ulFlags = BIF_RETURNFSANCESTORS;
 LPITEMIDLIST idl = SHBrowseForFolder(&bi); 
 if (NULL == idl) 
 { 
  return 0; 
 } 
 SHGetPathFromIDList(idl,szBuffer);
 
//保存對(duì)話框;
 TCHAR szFilters[]= _T("*.csv");
 CFileDialog dlg(FALSE,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFilters);
 if(IDOK==dlg.DoModal())
 {
 //現(xiàn)在的當(dāng)前路徑變成了所打開文件時(shí)的路徑,故只需要拿到文件名即可對(duì)文件進(jìn)行操作;
 TCHAR curPath[MAX_PATH];
 GetCurrentDirectory(MAX_PATH,curPath); //可以拿到當(dāng)前文件夾的路徑,此時(shí)curPath就是當(dāng)前文件所處的路徑,變成了當(dāng)前路徑;
 }
//保存文件

#include "stdafx.h"
#include<windows.h>
//不顯示控制臺(tái)
#pragma comment( linker, "/subsystem:windows /entry:mainCRTStartup" )
int main()
{
 int x=::MessageBox(NULL, TEXT("將在20秒后關(guān)機(jī)，確定執(zhí)行嗎？"), TEXT("操作提示"), 1);
 if (x==1)
 {
 //確認(rèn)關(guān)機(jī)
 system("shutdown /s /t 20");
 }
 printf("%d\n", x);
 return 0;
}