  | LayoutMessageIsNull Method (Int32, Int32) | 
 
            Returns  true if the substring that begins at the specified start
            and extends to the character at index end-1 is null. A  substring
            is NULL if it's first character is the NO-DATA (0x1a).
            
 
    Namespace: 
   OBCOM.NetSwitchLib.Layouts
    Assembly:
   OBCOM.NetSwitchLib (in OBCOM.NetSwitchLib.dll) Version: 1.48.7760.35650 (1.48.7760.35650)
Syntaxpublic bool IsNull(
	int start,
	int end
)
Public Function IsNull ( 
	start As Integer,
	end As Integer
) As Boolean
Parameters
- start
 - Type: SystemInt32
            the start index of the substring.
             - end
 - Type: SystemInt32
            The end index of the substring
             
Return Value
Type: 
Booleantrue if the substring is 
NULL.
            
See Also