NormalizedSpanCollection::Difference Method (NormalizedSpanCollection^, NormalizedSpanCollection^)

Visual Studio 2015

Finds the difference between two sets. The difference is defined as everything in the first span set that is not in the second span set.

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

Syntax

C++

public:
static NormalizedSpanCollection^ Difference(
	NormalizedSpanCollection^ left,
	NormalizedSpanCollection^ right
)

Parameters

left: Type: Microsoft.VisualStudio.Text::NormalizedSpanCollection^
The first span set.

right: Type: Microsoft.VisualStudio.Text::NormalizedSpanCollection^
The second span set.

Return Value

Type: Microsoft.VisualStudio.Text::NormalizedSpanCollection^

The new span set that corresponds to the difference between left and right.

Exceptions

Exception	Condition
ArgumentNullException	left or right is null.

Remarks

Empty spans in the second set do not affect the first set at all. This method returns empty spans in the first set that are not contained by any set in the second set.