RFmxVNA_BuildPortString
- Updated2025-04-08
- 1 minute(s) read
Creates selector string specifying the port(s) for use with configuration or fetch attributes and functions.
Syntax
int32 __stdcall RFmxVNA_BuildPortString(char selectorString[], int32 selectorStringOutLength, char selectorStringOut[], char portName)
Parameters
| Name | Direction | Type | Description |
|---|---|---|---|
| selectorString | [in] | char | This parameter specifies a Selector String comprising of the signal name. If you do not specify the signal name, the default signal instance is used. The default value is "" (empty string). Example: You can use the RFmxVNA_BuildSignalString function to build the selector string. |
| selectorStringOutLength | [out] | int32 | Specifies the length of the string that is returned by the selectorStringOut parameter. To get the minimum buffer size required to build the selector string, set the selectorStringOutLength parameter to 0. |
| selectorStringOut | [out] | char | This parameter returns the selector string created by this function. |
| portName | [in] | char | This parameter specifies the signal name for building the selector string. This input accepts the port name with or without the "port::" prefix. The default value is "" (empty string). Example: |
Returns
Returns the status code of this operation. The status code either indicates success or describes an error or warning condition. Examine the status code from each call to an RFmx function to determine if an error has occurred.
To obtain a text description of the status code and additional information about the error condition, call the RFmxVNA_GetError function.
The general meaning of the status code is as follows:
Value | Meaning |
|---|---|
0 | Success |
Positive Values | Warnings |
Negative Values | Errors |