PROMS/Volian.Controls.Library/PreviewROImage.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Text;
+using System.Windows.Forms;
+
+namespace Volian.Controls.Library
+{
+	public partial class PreviewROImage : DevComponents.DotNetBar.Office2007Form //Form
+	{
+		public PreviewROImage(string filename, string title)
+		{
+			InitializeComponent();
+			Image.GetThumbnailImageAbort myCallback =
+				new Image.GetThumbnailImageAbort(ThumbnailCallback);
+
+			Bitmap bm = new Bitmap(filename); //Bitmap(filename);
+			SizeF sizef = new SizeF(bm.Width / bm.HorizontalResolution,
+										bm.Height / bm.VerticalResolution);
+			// 747 & 535 is the size of the image window (roImage).
+			float fscale = Math.Min(747 / sizef.Width, 535 / sizef.Height);
+			sizef.Width *= fscale;
+			sizef.Height *= fscale;
+			Image thmb = bm.GetThumbnailImage((int)sizef.Width, (int)sizef.Height, myCallback, IntPtr.Zero);
+
+			this.roImage.Image = thmb;
+			this.Text = title;
+		}
+		public bool ThumbnailCallback()
+		{
+			return false;
+		}
+	}
+}