MediaPermissionImage Enum
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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
.NET
フィードバック
https://aka.ms/ContentUserFeedback」を参照してください。
以下は間もなく提供いたします。2024 年を通じて、コンテンツのフィードバック メカニズムとして GitHub の issue を段階的に廃止し、新しいフィードバック システムに置き換えます。 詳細については、「フィードバックの送信と表示