IReadOnlyDictionary(Of TKey, TValue).TryGetValue Method (TKey, TValue)
.NET Framework (current version)
Gets the value that is associated with the specified key.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- key
-
Type:
TKey
The key to locate.
- value
-
Type:
TValue
When this method returns, the value associated with the specified key, if the key is found; otherwise, the default value for the type of the value parameter. This parameter is passed uninitialized.
Return Value
Type: System.Booleantrue if the object that implements the IReadOnlyDictionary(Of TKey, TValue) interface contains an element that has the specified key; otherwise, false.
| Exception | Condition |
|---|---|
| ArgumentNullException | key is null. |
This method combines the functionality of the ContainsKey method and the Item property.
If the key is not found, the value parameter gets the appropriate default value for the type TValue: for example, 0 (zero) for integer types, false for Boolean types, and null for reference types.
Universal Windows Platform
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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