Class DisposableObject
Navne til: Aspose.Imaging Sammensætning: Aspose.Imaging.dll (25.4.0)
Det repræsenterer et udbydende objekt.
public class DisposableObject : IDisposable
Inheritance
Derived
Brush , CdrObject , CmxContainer , CmxPage , DataStreamSupporter , EmbeddedImage , ImageOptionsBase , MaskingResult , StreamContainer , StringFormat
Implements
De arvede medlemmer
object.GetType() , object.MemberwiseClone() , object.ToString() , object.Equals(object?) , object.Equals(object?, object?) , object.ReferenceEquals(object?, object?) , object.GetHashCode()
Constructors
DisposableObject()
public DisposableObject()
Properties
Disposed
Giver en værdi, der angiver, om denne instans er fjernet.
public bool Disposed { get; }
Ejendomsværdi
Methods
Dispose()
Det er den nuværende instans.
public void Dispose()
Examples
Følgende eksempel viser, hvordan man komponerer en mutlipage TIFF fra individuelle rasterbilleder.
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))
{
// This is Font and Brush for drawing text on individual frames.
Aspose.Imaging.Font font = new Aspose.Imaging.Font("Arial", 64);
Aspose.Imaging.Brushes.SolidBrush brush = new Aspose.Imaging.Brushes.SolidBrush(Aspose.Imaging.Color.White);
// Create 5 frames
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());
// Create a PNG image and draw the number of page on it.
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);
// Create a frame based on the PNG image.
Aspose.Imaging.FileFormats.Tiff.TiffFrame frame = new Aspose.Imaging.FileFormats.Tiff.TiffFrame(pngImage);
// Add the frame to the TIFF image.
tiffImage.AddFrame(frame);
}
// The image was created with a single default frame. Let's remove it.
Aspose.Imaging.FileFormats.Tiff.TiffFrame activeFrame = tiffImage.ActiveFrame;
tiffImage.ActiveFrame = tiffImage.Frames[1];
tiffImage.RemoveFrame(0);
// Don't forget to dispose the frame if you won't add it to some other TiffImage
activeFrame.Dispose();
tiffImage.Save();
}
~DisposableObject()
protected ~DisposableObject()
ReleaseManagedResources()
Sørg for, at der ikke frigives uadministrerede ressourcer her, da de måske allerede er blevet frigivet.
protected virtual void ReleaseManagedResources()
ReleaseUnmanagedResources()
Sørg for, at ingen forvaltede ressourcer frigives her, da de måske allerede er frigivet.
protected virtual void ReleaseUnmanagedResources()
VerifyNotDisposed()
Sørg for, at den nuværende sag ikke er løsladt.
protected void VerifyNotDisposed()