Checks whether a file exists.

Checks whether a file exists. The following parameter is provided: File Name (must contain path and file name ),CodeAs follows:

/* Function: Check whether the file exists @ filename: the full path (path and file name) of the file to be detected. It must be an absolute path */bool cfilecheckdlg: isfileexist (cstring filename) {cfilefind ffind; return ffind. findfile (filename );}

Note:It has not been detected. If the input parameter is just a file name, you do not know whether it can be successfully detected!