Calculates the difference between two normalized snapshot span collections and normalizes the result.
Namespace:  Microsoft.VisualStudio.Text
Assembly:  Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)
Syntax
声明
Public Shared Function Difference ( _
    left As NormalizedSnapshotSpanCollection, _
    right As NormalizedSnapshotSpanCollection _
) As NormalizedSnapshotSpanCollection
public static NormalizedSnapshotSpanCollection Difference(
    NormalizedSnapshotSpanCollection left,
    NormalizedSnapshotSpanCollection right
)
public:
static NormalizedSnapshotSpanCollection^ Difference(
    NormalizedSnapshotSpanCollection^ left, 
    NormalizedSnapshotSpanCollection^ right
)
static member Difference : 
        left:NormalizedSnapshotSpanCollection * 
        right:NormalizedSnapshotSpanCollection -> NormalizedSnapshotSpanCollection 
public static function Difference(
    left : NormalizedSnapshotSpanCollection, 
    right : NormalizedSnapshotSpanCollection
) : NormalizedSnapshotSpanCollection
Parameters
- left
Type: Microsoft.VisualStudio.Text.NormalizedSnapshotSpanCollection
The first normalized span collection. 
- right
Type: Microsoft.VisualStudio.Text.NormalizedSnapshotSpanCollection
The second normalized span collection. 
Return Value
Type: Microsoft.VisualStudio.Text.NormalizedSnapshotSpanCollection
The (normalized) set of differences between the normalized snapshot span collections..
Exceptions
| Exception | Condition | 
|---|---|
| ArgumentNullException | left or right is nulla null reference (Nothing in Visual Basic).  | 
| ArgumentException | The collections refer to different snapshots.  | 
.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.