Copy
function Copy(destination: ApiRange = null): voidDescription
Copies the range to the specified range or to the clipboard.
Parameters
Specifies the new range to which the specified range will be copied. If this argument is omitted, the range will be copied to the clipboard.
Returns
voidTry It
var oWorksheet = Api.GetActiveSheet();
var oRange = oWorksheet.GetRange("A1");
oRange.SetValue("This is a sample text which is copied to the range A3.");
oRange.Copy(oWorksheet.GetRange("A3"));