2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.Runtime.InteropServices;
20 namespace Tizen.Applications
23 /// Represents a wrapper class for a unmanaged Bundle handle.
25 public sealed class SafeBundleHandle : SafeHandle
28 /// Initializes a new instance of the SafeBundleHandle class.
30 public SafeBundleHandle() : base(IntPtr.Zero, true)
35 /// Initializes a new instance of the SafeBundleHandle class.
37 /// <param name="existingHandle">An IntPtr object that represents the pre-existing handle to use.</param>
38 /// <param name="ownsHandle">true to reliably release the handle during the finalization phase; false to prevent reliable release.</param>
39 public SafeBundleHandle(IntPtr existingHandle, bool ownsHandle) : base(IntPtr.Zero, ownsHandle)
41 SetHandle(existingHandle);
45 /// Gets a value that indicates whether the handle is invalid.
47 public override bool IsInvalid
49 get { return this.handle == IntPtr.Zero; }
53 /// When overridden in a derived class, executes the code required to free the handle.
55 /// <returns>true if the handle is released successfully</returns>
56 protected override bool ReleaseHandle()
58 Interop.Bundle.DangerousFree(this.handle);
59 this.SetHandle(IntPtr.Zero);