FrameworkContentElement::FindResource Method

Searches for a resource with the specified key, and will throw an exception if the requested resource is not found.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

public:
Object^ FindResource(
	Object^ resourceKey
)

Parameters

resourceKey
Type: System::Object

Key identifier of the resource to be found.

Return Value

Type: System::Object
The found resource, or nullptr if no matching resource was found (but will also throw an exception if nullptr).

ExceptionCondition
ResourceReferenceKeyNotFoundException

The requested resource key was not found.

ArgumentNullException

resourceKey is nullptr.

Important noteImportant

If you call this method for a key that cannot be found, an exception is thrown. If you do not want to handle exceptions for this case, you should instead call TryFindResource. TryFindResource returns nullptr when no resource is found, and does not throw an exception.

If the resource is not found on the calling element, the parent tree is searched using the logical tree, in the same way that the tree would be searched if a resource were requested by key at run-time.

Typically you would immediately cast the return value to the type of the property that you were attempting to set with the returned resource value.

The following example finds a resource as defined in markup and applies it to a certain property of an element in response to a routed event.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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