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WebUtility.UrlDecodeToBytes Method

.NET Framework 4.5

Converts an encoded byte array that has been encoded for transmission in a URL into a decoded byte array.

Namespace:  System.Net
Assembly:  System (in System.dll)

public static byte[] UrlDecodeToBytes(
	byte[] encodedValue,
	int offset,
	int count
)

Parameters

encodedValue
Type: System.Byte[]

A URL-encoded Byte array to decode.

offset
Type: System.Int32

The offset, in bytes, from the start of the Byte array to decode.

count
Type: System.Int32

The count, in bytes, to decode from the Byte array.

Return Value

Type: System.Byte[]
Returns Byte.
A decoded Byte array.

If characters such as blanks and punctuation are passed in an HTTP stream, they might be misinterpreted at the receiving end. URL encoding converts characters that are not allowed in a URL into equivalent hexadecimal escape sequences. The UrlEncodeToBytes method creates a URL-encoded byte array.

URL decoding replaces hexadecimal escape sequences with corresponding ASCII character equivalents. For example, when embedded in a block of URL-encoded text, the escape sequences %3c and %3e are decoded into the characters < and >.

.NET Framework

Supported in: 4.6, 4.5

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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