Class DisposableObject

Class DisposableObject

Namespace: Aspose.Imaging
Assembly: Aspose.Imaging.dll (25.2.0)

表示可处置对象。

public class DisposableObject : IDisposable

继承

object ← DisposableObject

派生

Brush, CdrObject, CmxContainer, CmxPage, DataStreamSupporter, EmbeddedImage, ImageOptionsBase, MaskingResult, StreamContainer, StringFormat

实现

IDisposable

继承成员

object.GetType(), object.MemberwiseClone(), object.ToString(), object.Equals(object?), object.Equals(object?, object?), object.ReferenceEquals(object?, object?), object.GetHashCode()

构造函数

DisposableObject() 

public DisposableObject()

属性

Disposed

获取一个值，该值指示此实例是否已被处置。

public bool Disposed { get; }

属性值

bool

方法

Dispose()

处置当前实例。

public void Dispose()

示例

以下示例演示如何从单个光栅图像组合多页 TIFF。```csharp [C#]

                                                                                                 Aspose.Imaging.ImageOptions.TiffOptions createTiffOptions = new Aspose.Imaging.ImageOptions.TiffOptions(Aspose.Imaging.FileFormats.Tiff.Enums.TiffExpectedFormat.Default);
                                                                                                 createTiffOptions.Source = new Aspose.Imaging.Sources.FileCreateSource("c:\\temp\\multipage.tif", false);
                                                                                                 createTiffOptions.Photometric = Aspose.Imaging.FileFormats.Tiff.Enums.TiffPhotometrics.Rgb;
                                                                                                 createTiffOptions.BitsPerSample = new ushort[] { 8, 8, 8 };

                                                                                                 using (Aspose.Imaging.FileFormats.Tiff.TiffImage tiffImage = (Aspose.Imaging.FileFormats.Tiff.TiffImage)Image.Create(createTiffOptions, 100, 100))
                                                                                                 {
                                                                                                     // 这是用于在单个帧上绘制文本的字体和画刷。
                                                                                                     Aspose.Imaging.Font font = new Aspose.Imaging.Font("Arial", 64);
                                                                                                     Aspose.Imaging.Brushes.SolidBrush brush = new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.White);

                                                                                                     // 创建 5 个帧
                                                                                                     for (int i = 1; i <= 5; i++)
                                                                                                     {
                                                                                                         Aspose.Imaging.ImageOptions.PngOptions createPngOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                         createPngOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                         // 创建 PNG 图像并在其上绘制页面编号。
                                                                                                         Aspose.Imaging.FileFormats.Png.PngImage pngImage = (Aspose.Imaging.FileFormats.Png.PngImage)Image.Create(createPngOptions, 100, 100);
                                                                                                         Aspose.Imaging.Graphics gr = new Aspose.Imaging.Graphics(pngImage);
                                                                                                         gr.DrawString(i.ToString(), font, brush, 10, 10);

                                                                                                         // 基于 PNG 图像创建帧。
                                                                                                         Aspose.Imaging.FileFormats.Tiff.TiffFrame frame = new Aspose.Imaging.FileFormats.Tiff.TiffFrame(pngImage);

                                                                                                         // 将帧添加到 TIFF 图像中。
                                                                                                         tiffImage.AddFrame(frame);
                                                                                                     }

                                                                                                     // 图像是使用单个默认帧创建的。让我们移除它。
                                                                                                     Aspose.Imaging.FileFormats.Tiff.TiffFrame activeFrame = tiffImage.ActiveFrame;
                                                                                                     tiffImage.ActiveFrame = tiffImage.Frames[1];
                                                                                                     tiffImage.RemoveFrame(0);

                                                                                                     // 如果不打算将帧添加到其他 TiffImage，请记得处置该帧
                                                                                                     activeFrame.Dispose();

                                                                                                     tiffImage.Save();
                                                                                                 }


### <a id="Aspose_Imaging_DisposableObject_Finalize"></a> \~DisposableObject\(\)

```csharp
protected ~DisposableObject()

ReleaseManagedResources()

释放托管资源。确保此处不释放任何非托管资源，因为它们可能已经被释放。

protected virtual void ReleaseManagedResources()

ReleaseUnmanagedResources()

释放非托管资源。确保此处不释放任何托管资源，因为它们可能已经被释放。

protected virtual void ReleaseUnmanagedResources()

VerifyNotDisposed()

验证当前实例是否未被处置。

protected void VerifyNotDisposed()
 中文