Manual > Reference > Properties

This is the latest error code.

Setting and retrieval examples

lCode = AxEng1.ErrCode

Commentary

The most recent error code is stored. Please refer to it immediately after each method fails.

example

If Not AxEng1.ReadVal("U01.F01.T01", varValue) Then
	txtError.Text = "Fail to read : " & CStr(Eng1.ErrCode)
End If

reference