Method that sets a custom line type to the curve from the specified .lin file. The method automatically changes the value of LineType property to kCustomLineType.
| Name | Type | Description |
| FullFileName | String | Input string that specifies the full file name of the *.lin file containing the custom line types. |
| LineTypeName | String | Input string that specifies the name of the line type. |
| ReplaceExisting | Boolean | Input Boolean that specifies whether to replace the existing line type if a line type of the same name exists. If set to False, and a line type of the same name exists, this method returns an error. |