public Window NewWindow()
{
var windowTestDouble = new WindowTestDouble();
Windows.Add(windowTestDouble);
return(windowTestDouble);
}
private static Word.Document FindDocument(Word.Windows windows, COMObjectsHelper comHelper, string title)
{
Word.Window matchingWindow = null;
for (var i = 1; i <= windows.Count; i++)
{
var window = comHelper.Register(() => windows[i]);
if (title.Contains(window.Caption))
{
matchingWindow = window;
break;
}
}
return(comHelper.Register(() => matchingWindow?.Document));
}
/// <summary>
/// Save word document to images. The type of output images is png.
/// </summary>
/// <param name="directory">Specifies the directory for output images.</param>
public void SaveToImages(string directory)
{
InteropWord.Windows windows = this.document.Windows;
int windowCount = windows.Count;
for (var i = 1; i <= windowCount; i++)
{
InteropWord.Window win = windows[i];
InteropWord.View windowsView = win.View;
// Pages can only be retrieved in print layout view.
windowsView.Type = InteropWord.WdViewType.wdPrintView;
InteropWord.Panes panes = win.Panes;
int paneCount = panes.Count;
for (var j = 1; j <= paneCount; j++)
{
InteropWord.Pane pane = panes[j];
var pages = pane.Pages;
var pageCount = pages.Count;
for (var k = 1; k <= pageCount;)
{
InteropWord.Page p = null;
try {
p = pages[k];
}
catch
{
// pages[k] sometimes throws exception: 'System.Runtime.InteropServices.COMException: The requested member of the collection does not exist'.
// This is a workaround for this issue.
continue;
}
var bits = p.EnhMetaFileBits;
var target = directory + string.Format(@"\{0}_image.doc", k);
using (var ms = new MemoryStream((byte[])(bits)))
{
var image = System.Drawing.Image.FromStream(ms);
var imageTarget = Path.ChangeExtension(target, "png");
image.Save(imageTarget, ImageFormat.Png);
}
Marshal.ReleaseComObject(p);
p = null;
k++;
}
Marshal.ReleaseComObject(pages);
pages = null;
Marshal.ReleaseComObject(windowsView);
windowsView = null;
Marshal.ReleaseComObject(pane);
pane = null;
}
Marshal.ReleaseComObject(panes);
panes = null;
Marshal.ReleaseComObject(win);
win = null;
}
Marshal.ReleaseComObject(windows);
windows = null;
}