IFileExtensionRegistryService::AddFileExtension Method (String^, IContentType^)

Adds a new file extension to the registry.

Namespace: Microsoft.VisualStudio.Utilities
Assembly: Microsoft.VisualStudio.CoreUtility (in Microsoft.VisualStudio.CoreUtility.dll)

Syntax

void AddFileExtension(
	String^ extension,
	IContentType^ contentType
)

extension: Type: System::String^
The file extension. The period is optional.

contentType: Type: Microsoft.VisualStudio.Utilities::IContentType^
The content type for the file extension.

Exception	Condition
InvalidOperationException	extension is already present in the registry.

This method throws InvalidOperationException if the specified file extension is already present in the registry.