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File.Exists Method

Silverlight

When it is called by trusted applications, determines whether the specified file exists.

Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)

[SecuritySafeCriticalAttribute]
public static bool Exists(
	string path
)

Parameters

path: Type: System.String
The file to check.

Return Value

Type: System.Boolean
true if the caller has the required permissions and path contains the name of an existing file; otherwise, false. This method also returns false if path is null, an invalid path, or a zero-length string. If the caller does not have sufficient permissions to read the specified file, no exception is thrown and the method returns false regardless of the existence of path.

Remarks

Platform Notes

Silverlight for Windows Phone

This member has a SecurityCriticalAttribute attribute on Silverlight for Windows Phone, because the attribute was present in Silverlight 3. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Reference

File Class

System.IO Namespace

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