Retrieves the maximum length, in characters, of data items at the specified index.
Namespace:  Microsoft.VisualStudio.Data
Assembly:  Microsoft.VisualStudio.Data (in Microsoft.VisualStudio.Data.dll)
Syntax
声明
Public MustOverride Function GetItemMaxLength ( _
    index As Integer _
) As Integer
public abstract int GetItemMaxLength(
    int index
)
public:
virtual int GetItemMaxLength(
    int index
) abstract
abstract GetItemMaxLength : 
        index:int -> int 
public abstract function GetItemMaxLength(
    index : int
) : int
Parameters
- index
Type: System.Int32
The index of the data item being examined for length. 
Return Value
Type: System.Int32
Returns the maximum length, in number of characters, of the data item at the specified index; or, returns -1 if the maximum length is unavailable or is not sensible.
Exceptions
| Exception | Condition | 
|---|---|
| ArgumentOutOfRangeException | The index parameter is invalid.  | 
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.