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Determines whether a text modification or deletion would be prohibited at span due to an IReadOnlyRegion.
Namespace: Microsoft.VisualStudio.Text
Assembly: Microsoft.VisualStudio.Text.Data (in Microsoft.VisualStudio.Text.Data.dll)
Syntax
'Declaration
Function IsReadOnly ( _
span As Span, _
isEdit As Boolean _
) As Boolean
bool IsReadOnly(
Span span,
bool isEdit
)
bool IsReadOnly(
Span span,
bool isEdit
)
abstract IsReadOnly :
span:Span *
isEdit:bool -> bool
function IsReadOnly(
span : Span,
isEdit : boolean
) : boolean
Parameters
span
Type: Microsoft.VisualStudio.Text.SpanThe span to check.
isEdit
Type: System.Booleantrue if this check is part of an edit. false for a query without side effects.
Return Value
Type: System.Boolean
true if the entire span could be deleted or replaced, false otherwise.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | span is nulla null reference (Nothing in Visual Basic). |
| InvalidOperationException | TakeThreadOwnership has previously been called, and this call is being made from a different thread. |
| ArgumentOutOfRangeException | The End property of span is greater than the length of CurrentSnapshot. |
.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.