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Opens a dialog box to define an arbitrary source:
Argument is a string array which specifies the initial values for each control as follows:
| Element index | Description | 
|---|---|
| 0 | Expression | 
| 1 | Number of input voltages. (Default 1. Must be entered as a string) | 
| 2 | Number of input currents. (Default 0. Must be entered as a string) | 
| 3 | Output config: | 
| 0: Single ended voltage (default) | |
| 1: Single ended current | |
| 2: Differential voltage | |
| 3: Differential current | |
| (value must be entered as a string) | 
| Number | Type | Compulsory | Default | Description | 
|---|---|---|---|---|
| 1 | string array | Yes | 
 | initial values | 
Return type: string array
The function returns a string array of length 4 with the same format as the argument described above.
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