|   | 
Opens a dialog box used to define an arc circle or ellipse for the symbol editor.
| Number | Type | Compulsory | Default | Description | 
|---|---|---|---|---|
| 1 | real | No | 90 | initial start to finish angle | 
| 2 | real | No | 1 | initial ellipse height/width | 
Initial value for start to finish angle.
Initial value for ellipse height/width.
Return type: real array
If the user selects Cancel the function returns an empty vector, otherwise the following real array of length 2 is produced:
| Index | Description | 
|---|---|
| 0 | Start to finish angle | 
| 1 | Ellipse height/width | 
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