SnapshotSpan.Intersection Method (SnapshotSpan)
Calculates the intersection with the given SnapshotSpan.
Namespace: Microsoft.VisualStudio.Text
Assembly: Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)
Syntax
'宣言
Public Function Intersection ( _
snapshotSpan As SnapshotSpan _
) As Nullable(Of SnapshotSpan)
public Nullable<SnapshotSpan> Intersection(
SnapshotSpan snapshotSpan
)
public:
Nullable<SnapshotSpan> Intersection(
SnapshotSpan snapshotSpan
)
member Intersection :
snapshotSpan:SnapshotSpan -> Nullable<SnapshotSpan>
public function Intersection(
snapshotSpan : SnapshotSpan
) : Nullable<SnapshotSpan>
Parameters
- snapshotSpan
Type: Microsoft.VisualStudio.Text.SnapshotSpan
The span to check.
Return Value
Type: System.Nullable<SnapshotSpan>
The intersection of the spans, or nulla null reference (Nothing in Visual Basic) if they do not intersect.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentException | snapshotSpan does not refer to the same snapshot. |
Remarks
Two spans intersect if they have positions in common, or if the end of one span coincides with the start of the other span, and neither is empty.
.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.