BrightIdeasSoftware.ImageRenderer.GetImageFromAspect C# (CSharp) Метод

        protected Image GetImageFromAspect()
        {
            // If we've already figured out the image, don't do it again
            if (this.OLVSubItem != null && this.OLVSubItem.ImageSelector is Image) {
                if (this.OLVSubItem.AnimationState == null)
                    return (Image)this.OLVSubItem.ImageSelector;
                else
                    return this.OLVSubItem.AnimationState.image;
            }

            // Try to convert our Aspect into an Image
            // If its a byte array, we treat it as an in-memory image
            // If it's an int, we use that as an index into our image list
            // If it's a string, we try to find a file by that name.
            //    If we can't, we use the string as an index into our image list.
            Image image = null;
            if (this.Aspect is System.Byte[]) {
                using (MemoryStream stream = new MemoryStream((System.Byte[])this.Aspect)) {
                    try {
                        image = Image.FromStream(stream);
                    }
                    catch (ArgumentException) {
                        // ignore
                    }
                }
            } else if (this.Aspect is Int32) {
                image = this.GetImage(this.Aspect);
            } else {
                String str = this.Aspect as String;
                if (!String.IsNullOrEmpty(str)) {
                    try {
                        image = Image.FromFile(str);
                    }
                    catch (FileNotFoundException) {
                        image = this.GetImage(this.Aspect);
                    }
                    catch (OutOfMemoryException) {
                        image = this.GetImage(this.Aspect);
                    }
                }
            }

            // If this image is an animation, initialize the animation process
            if (this.OLVSubItem != null && AnimationState.IsAnimation(image)) {
                this.OLVSubItem.AnimationState = new AnimationState(image);
            }

            // Cache the image so we don't repeat this dreary process
            if (this.OLVSubItem != null)
                this.OLVSubItem.ImageSelector = image;

            return image;
        }