The control string is useless.The control is set to be Textbox with Interactive XYRangeComplex Selector button.
You can set the default data in Data field of the X-Function Bulider.
| Variable Data | Input | Output | Input/Output |
|---|---|---|---|
| <unassigned> | The default value set to be empty Value. | The variable value will be put out to the user-defined XYRangeComplex. | The variable value is set to be empty Value and the result will be put out to the user-defined XYRangeComplex. |
| <active> | The default value will be set to the active range value. | useless | The default value will be set to the active range value and usless on output. |
| XYRangeComplex string | The default value set to the XYRangeComplex string value. | The variable result value will be put into the XYRangeComplex. | The variable value can be got from the range. After Execution, the result value will be put into the XYRangeComplex. |
You can see the more detailes in Option Strings