IVsDataReaderDescriptor.GetItemMaxLength Method

Retrieves the maximum length, in characters, of data items at the specified index for the current data reader.

Namespace:  Microsoft.VisualStudio.Data.Services.SupportEntities
Assembly:  Microsoft.VisualStudio.Data.Services (in Microsoft.VisualStudio.Data.Services.dll)

Syntax

'宣言
Function GetItemMaxLength ( _
    index As Integer _
) As Integer
'使用
Dim instance As IVsDataReaderDescriptor
Dim index As Integer
Dim returnValue As Integer

returnValue = instance.GetItemMaxLength(index)

int GetItemMaxLength(
    int index
)

int GetItemMaxLength(
    int index
)

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

The maximum length, in number of characters, of the data item at the specified index; or -1 if the maximum length is unavailable or is not sensible.

Permissions

• 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.

See Also

Reference

IVsDataReaderDescriptor Interface

IVsDataReaderDescriptor Members

Microsoft.VisualStudio.Data.Services.SupportEntities Namespace