EnumerableExtensionsTryAddRange Method (IEnumerable, IEnumerable, Boolean, Boolean)

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Tries to add the specified collection to the target collection.

Namespace:  KGySoft.CoreLibraries
Assembly:  KGySoft.CoreLibraries (in KGySoft.CoreLibraries.dll) Version: 6.0.0

public static bool TryAddRange(
	this IEnumerable target,
	IEnumerable collection,
	bool checkReadOnly = true,
	bool throwError = true


Type: System.CollectionsIEnumerable
The target collection.
Type: System.CollectionsIEnumerable
The collection to add to the target.
checkReadOnly (Optional)
Type: SystemBoolean
 to return  if the target collection is read-only;  to attempt adding the collection without checking the read-only state. This parameter is optional.
Default value: .
throwError (Optional)
Type: SystemBoolean
 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: .

Return Value

Type: Boolean
, if the whole collection could be added to target; otherwise, .

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable. 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).

The collection can be added to the target collection if that is either an ICollectionT, IProducerConsumerCollectionT or IList implementation.

If target is neither a ListT nor an ISupportsRangeCollectionT implementation, then the elements of collection will only be added one by one.

Note Note
Whenever possible, try to use the generic TryAddRange<T> overload for better performance.
Caution note Caution
If not every element in collection is compatible with target, then it can happen that some elements of collection have been added to target and the method returns .
See Also