List Initialization
C/C++
DG_HANDLE InitFile(char *FileName)

C#/VBA/scripts
int InitFile(string FileName)
'FileName' parameter should contain full or relative path to file with values.

Generate value
C/C++
char* FileValue(DG_HANDLE handle, int sequentially)
C#/VBS/scripts
string FileValue(int handle, int sequentially)
Not 0 'sequentially' value means the function will return values from the file sequentially, random otherwise.