VirtualPathUtility::GetExtension Method (String^)
.NET Framework (current version)
Retrieves the extension of the file that is referenced in the virtual path.
Assembly: System.Web (in System.Web.dll)
Parameters
- virtualPath
-
Type:
System::String^
The virtual path.
Return Value
Type: System::String^The file name extension string literal, including the period (.), null, or an empty string ("").
| Exception | Condition |
|---|---|
| ArgumentException | virtualPath contains one or more characters that are not valid, as defined in InvalidPathChars. |
If the virtual path that is passed into the GetExtension method is "/images/image1.gif", the returned extension is ".gif".
The following code example demonstrates how to use the GetFileName, GetExtension, and GetDirectory methods.
.NET Framework
Available since 2.0
Available since 2.0
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