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SnapshotSpan.Overlap Method (SnapshotSpan)

Gets the overlap with the given SnapshotSpan.

Namespace:  Microsoft.VisualStudio.Text
Assembly:  Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)

Syntax

'宣言
Public Function Overlap ( _
    snapshotSpan As SnapshotSpan _
) As Nullable(Of SnapshotSpan)
public Nullable<SnapshotSpan> Overlap(
    SnapshotSpan snapshotSpan
)
public:
Nullable<SnapshotSpan> Overlap(
    SnapshotSpan snapshotSpan
)
member Overlap : 
        snapshotSpan:SnapshotSpan -> Nullable<SnapshotSpan> 
public function Overlap(
    snapshotSpan : SnapshotSpan
) : Nullable<SnapshotSpan>

Parameters

Return Value

Type: System.Nullable<SnapshotSpan>
The overlap of the spans, or nulla null reference (Nothing in Visual Basic) if they do not overlap.

Exceptions

Exception Condition
ArgumentException

snapshotSpan does not refer to the same ITextSnapshot as this snapshot span.

Remarks

Two spans overlap if they have positions in common and are not empty. Empty spans do not overlap with any other span.

.NET Framework Security

See Also

Reference

SnapshotSpan Structure

Overlap Overload

Microsoft.VisualStudio.Text Namespace