ImageLoadException.this

this

(string msg,  string filename =  null,  int  errorCode =  0,
          string file =  __FILE__,  size_t line =  __LINE__)

Constructs an ImageLoadException.

`msg`	Error message
`filename`	Path to the file that failed to load
`errorCode`	FLTK error code
`file`	Source file
`line`	Line number