The function are declared in this way
Declare Function adc200_open_unit Lib "ADC20032.dll" (ByVal port As Integer) As Integer
and the adc20032.dll is in the same path of the sample is it correct for the adc 212? I see under c:\program files\pico\ also adc1032.dll adc1132.dll adc1632.dll adc10032.dll are you sure that adc20032.dll in enough?
OK but WHY in a directory where is the dll and the vb project ONLY it doesn't works, and in the directory of the picoscope IT WORKS? maybe my software needs some other else ie particular key of the windows registry or some ini file or what?