Adds the specified System.Security.IPermission object to the current instance if that permission does not already exist in the current instance.
public IPermission AddPermission (IPermission perm)
Parameters
- perm
- The System.Security.IPermission object to add.
Returns
If perm is null, returns null . If a permission of the same type as perm already exists in the current instance, the union of the existing permission and perm is added to the current instance and is returned.
Exceptions
Type Reason ArgumentException perm is not a System.Security.IPermission object.
Remarks
Operation
The System.Security.IPermission is added if perm is not null and a permission of the same type as perm does not already exist in the current instance.Usage
Use this method to add permission objects to the current instance.
Requirements
Namespace: System.Security
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0