DeleteItemByItemId

Declaration:	TSpecCollection.DeleteItemByItemId (ItemId: integer): integer;
The method DeleteItemByItemId deletes the spectrum with the item identifier specified by the parameter ItemId. Please note that the item id is a unique integer number greater than 0 and must not be mixed up with the index of a spectrum. The function returns the following error codes:  0 ... everything is OK, the spectrum has been removed -1 ... (not defined) -2 ... there is no such spectrum

Hint:

In order to access the spectral collection currently loaded in the Spectral Collection Editor you can use the pre-declared global variable SCData.