MediaPermissionImage Enum
Definition
Important
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Caution
Code Access Security is not supported or honored by the runtime.
Specifies the permission level for images.
public enum class MediaPermissionImage
[System.Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId="SYSLIB0003", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public enum MediaPermissionImage
public enum MediaPermissionImage
[<System.Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId="SYSLIB0003", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
type MediaPermissionImage =
type MediaPermissionImage =
Public Enum MediaPermissionImage
- Inheritance
- Attributes
Fields
AllImage | 3 | Permission that allows unrestricted image display. |
NoImage | 0 | Permission that denies all images to be displayed. |
SafeImage | 2 | Permission that allows safe, limited image display, which includes denying stream access to the image file. |
SiteOfOriginImage | 1 | Permission that only allows display of images that are located at the application's site of origin. |
Examples
The following code example shows the use of the Image property.
[MediaPermissionAttribute(SecurityAction.Demand, Image = MediaPermissionImage.AllImage)]
<MediaPermissionAttribute(SecurityAction.Demand, Image:=MediaPermissionImage.AllImage)>
Public Sub Method05()
End Sub
Remarks
Caution
Code Access Security (CAS) has been deprecated across all versions of .NET Framework and .NET. Recent versions of .NET do not honor CAS annotations and produce errors if CAS-related APIs are used. Developers should seek alternative means of accomplishing security tasks.
Use this enumeration to set the Image property of the MediaPermission class. The default is SafeImage.
Applies to
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