TextPosition.Subtraction Operator

Definition

Namespace:

Microsoft.VisualStudio.Extensibility.Editor

Assembly:

Microsoft.VisualStudio.Extensibility.Editor.Contracts.dll

Package:

Microsoft.VisualStudio.Extensibility.Editor.Contracts v17.13.226

Overloads

Subtraction(TextPosition, TextPosition)	Computes the offset between two TextPosition objects.
Subtraction(TextPosition, Int32)	Decrements the position of a snapshot position.

Subtraction(TextPosition, TextPosition)

Computes the offset between two TextPosition objects.

C#

public static int operator -(Microsoft.VisualStudio.Extensibility.Editor.TextPosition start, Microsoft.VisualStudio.Extensibility.Editor.TextPosition other);

Parameters

start

TextPosition

The starting position.

other

TextPosition

The position from which to compute the offset.

Returns

Int32

The offset between the two positions, equivalent to start.Offset - other.Offset.

Exceptions

ArgumentException

The two positions do not belong to the same snapshot.

Remarks

The following should always be true: start == other + (start - other).

Subtraction(TextPosition, Int32)

Decrements the position of a snapshot position.

C#

public static Microsoft.VisualStudio.Extensibility.Editor.TextPosition operator -(Microsoft.VisualStudio.Extensibility.Editor.TextPosition position, int offset);

Parameters

position

TextPosition

The position from which to calculate the new position.

offset

Int32

The offset of the new position.

Returns

TextPosition

Exceptions

ArgumentOutOfRangeException

The new position is less than zero or greater than Snapshot.Length.