Hello, i am trying to trigger an High Speed Pin after a certain length of a pulse. With the waveform software this works perfectly. Inside my c# code the "dwf.FDwfDigitalInTriggerLengthSet" has no effect. It doesn´t matter if i use 30ns or 10s for the minimum length. -> It triggers always directly after the first glitch of about 10ns. Thank you for your help in advance. Steven What am i doing wrong? Here the code:             //Number of samples to acquire after