EnumerableExtensionsTryAddT(IEnumerableT, T, Boolean, Boolean) Method
Tries to add the specified item to the collection.
Namespace: KGySoft.CoreLibrariesAssembly: KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 9.0.0
public static bool TryAdd<T>(
this IEnumerable<T> collection,
T item,
bool checkReadOnly = true,
bool throwError = true
)
<ExtensionAttribute>
Public Shared Function TryAdd(Of T) (
collection As IEnumerable(Of T),
item As T,
Optional checkReadOnly As Boolean = true,
Optional throwError As Boolean = true
) As Boolean
public:
[ExtensionAttribute]
generic<typename T>
static bool TryAdd(
IEnumerable<T>^ collection,
T item,
bool checkReadOnly = true,
bool throwError = true
)
[<ExtensionAttribute>]
static member TryAdd :
collection : IEnumerable<'T> *
item : 'T *
?checkReadOnly : bool *
?throwError : bool
(* Defaults:
let _checkReadOnly = defaultArg checkReadOnly true
let _throwError = defaultArg throwError true
*)
-> bool
- collection IEnumerableT
- The collection to add the item to.
- item T
- The item to add.
- checkReadOnly Boolean (Optional)
- to return if the collection is read-only; to attempt adding the element without checking the read-only state. This parameter is optional.
Default value: . - throwError Boolean (Optional)
- to forward any exception thrown by a found add method; to suppress the exceptions thrown by the found add method and return on failure. This parameter is optional.
Default value: .
- T
- The type of the elements in the collection.
Boolean if an adding method could be successfully called;
if such method was not found, or
checkReadOnly is
and the collection was read-only,
or
throwError is
and the adding method threw an exception.In Visual Basic and C#, you can call this method as an instance method on any object of type
IEnumerableT. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).