Chris wrote:
Note: in your declarations...
In VB6.0 etc.... Long = 32 bit
In VB.NET Long = 64 bit

Therefore use Integer in place of all Long declarations.

????? Thanks Microsoft!

That stopped the error, thank you.

There is bound to be more but I have nearly all I need.

Bevis

Yet more... I want to use the signal generator so I have added Declare Function ps2000_set_sig_gen_built_in Lib "c:\ps2000.dll" (ByVal handle As Short, ByVal offsetVoltage As Long, ByVal pkToPk As ULong, ByVal waveType As PS2000_WAVE_TYPE, ByVal startFrequency As Single, ByVal stopFrequency As Singl...

Chris,

Brilliant! Works a treat.

No wonder the error had me stumped, VB was indicating the folllowing line.

Picoscope can now put this up as the 'new' VB example.

Bevis

So I put the ps2000 dll in c:\ as this is where the code says it looks for it, all well so far. The 'fast' button works, i.e. I get a few readings but when I use the stert streaming button this error happens FatalExecutionEngineError was detected Message: The runtime has encountered a fatal error. T...

Chris

OK I get an error when I try to start sampling, something to do with paths I am sure, but I can open the 'scope it's relays click. Thank you very much.

Bevis

Chris,

I have the SDK, the bit I am being daft about is how to open/convert it. VBNET hasn't an option of opening a vbp file as fas as I can see.

Hi all,

How do I make the API available to a VB 2010 program? just can't seem to add the descriptions etc. to VB 2010.

I am probably missing something very simple. The scope I want to use is a 2204.

Bevis