GetOpenFileName --打开文件通用对话框

BOOL GetOpenFileName(     
    LPOPENFILENAME lpofn );

使用该函数需要包含 commdlg.h 头文件

#include <Commdlg.h>

GetOpenFileName 例子

ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
return GetOpenFileName((LPOPENFILENAME)&ofn);
}