- if ((fp1 = fopen (WXSTRINGCAST file1, "rb")) == NULL ||
- (fp2 = fopen (WXSTRINGCAST file2, "rb")) == NULL ||
- (fp3 = fopen (outfile, "wb")) == NULL)
+ if ((fp1 = wxFopen (WXSTRINGCAST file1, wxT("rb"))) == NULL ||
+ (fp2 = wxFopen (WXSTRINGCAST file2, wxT("rb"))) == NULL ||
+ (fp3 = wxFopen (outfile, wxT("wb"))) == NULL)