Extracts the characters from the specified string starting from any position and is intended for languages that use the double-byte character set (DBCS) like Japanese, Chinese, Korean etc.
| Name | Type | Description |
| arg1 | string | The text string from which to extract the characters. |
| arg2 | number | The position of the first character to extract. The first text character is 1. |
| arg3 | number | A number of the characters to extract, based on bytes. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.MIDB("Online Office", 3, 4));
builder.SaveFile("xlsx", "MIDB.xlsx");
builder.CloseFile();