Invoke Pointer to pointer

I am trying to complete my project with third party dll using vb.net ,
i cant call the function RDA_ReadAlarmLi st as below ,
this function call return a integer value and receive the RDA_ReadAlarmLi st Structure and RDA_AlarmSearch Param as a parameter.

Hope the bro here can help me on this , already headache for few week on this .. what --> RDS_AlarmList **outAlarmList means...

I am trying to complete my project with third party dll using vb.net ,
i cant call the function RDA_ReadAlarmLi st as below ,
this function call return a integer value and receive the RDA_ReadAlarmLi st Structure and RDA_AlarmSearch Param as a parameter.

Hope the bro here can help me on this , already headache for few week on this ..

Function
10.8.1 It acquires an alarm list ( The asynchronousnes s...