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char szfile[256]="\0"; //文件
char szfilename[256]="\0"; //file name
char szfilter[]= "MP3(*.MP3)\0*.MP3\0"; //文件过滤
char sztitle[]="打开MP3文件"; //过滤器名称
OPENFILENAME lpofn;
lpofn.lStructSize=sizeof(OPENFILENAME);
lpofn.hwndOwner=hwnd;
// lpofn.hInstance=
lpofn.lpstrFilter=szfilter;
lpofn.lpstrCustomFilter=NULL;
//lpofn.nMaxCustFilter
lpofn.nFilterIndex=0;
lpofn.lpstrFile=szfile;
lpofn.nMaxFile=sizeof(szfile);
lpofn.lpstrFile=szfilename;
lpofn.nMaxFileTitle=sizeof(szfilename);
lpofn.lpstrInitialDir=NULL;
lpofn.lpstrTitle=sztitle;
lpofn.Flags=OFN_ALLOWMULTISELECT;
// lpofn.nFileOffset=0;
// lpofn.nFileExtension=0;
// lpofn.lpstrDefExt=0;
// lpofn.lCustData=0;
GetOpenFileName(&lpofn);
OPENFILENAME ofn; // common dialog box structure
char szFile[260]; // buffer for file name
HWND hwnd; // owner window
HANDLE hf; // file handle
// Initialize OPENFILENAME
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwnd;
ofn.lpstrFile = szFile;
//
// Set lpstrFile[0] to '\0' so that GetOpenFileName does not
// use the contents of szFile to initialize itself.
//
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = "All\0*.*\0Text\0*.TXT\0";
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
// Display the Open dialog box.
if (GetOpenFileName(&ofn)==TRUE)
hf = CreateFile(ofn.lpstrFile, GENERIC_READ,
0, (LPSECURITY_ATTRIBUTES) NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
(HANDLE) NULL);