SafeDictionary<TKey, TValue>.Add Method

Adds the value to the dictionary if it does not exist. Updates existing, if it does exist.

Namespace: CMS.Base
Assembly: CMS.Base (in CMS.Base.dll) Version: 9.0.0

Syntax

public override void Add(
	Object key,
	Object value
)

Parameters

key

Type: System.Object
Key

value

Type: System.Object
Value

Implements

IDictionary.Add(Object, Object)

Examples

If you want to add some key-value pair only if it does not exist within the dictionary, use the following snippet to do so in a thread-safe way.

if (!dictionary.ContainsKey(myKey))
{
    lock (dictionary.SyncRoot)
    {
        if (!dictionary.ContainsKey(myKey))
        {
            dictionary.Add(myKey, myValue);
        }
    }
}