CngKey.ParentWindowHandle Property

 

Gets or sets the window handle (HWND) that should be used for user interface (UI) prompts caused by accessing the key.

Namespace:   System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)

public IntPtr ParentWindowHandle {
	get;
	[SecurityPermissionAttribute(SecurityAction.Demand, UnmanagedCode = true)]
	set;
}

Property Value

Type: System.IntPtr

The parent window handle for the key.

The parent window handle for the key is used in UI prompts, such as smart card PIN prompts. This value is not persisted with persisted keys.

We recommend that you always set this property for keys that display a user interface. Do not use the default value of null for such keys.

SecurityPermission

for permission to call unmanaged code. Demand value: LinkDemand. Associated enumeration: SecurityPermissionFlag.UnmanagedCode

.NET Framework
Available since 3.5
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