/// <summary>
/// Opens a powerpoint file.
/// </summary>
/// <param name="filename">The file to open.</param>
/// <param name="rect">The rectangle of the area on the screen, where to show the PowerPoint Viewer.</param>
/// <param name="generateThumbnails">Whether thumbnails should be generated.</param>
/// <param name="openHidden">Whether the PowerPoint Viewer should be opened hidden (outside of the visible screen).</param>
/// <param name="thumbnailWidth">If set, defines the size of the generated thumbnails.</param>
/// <returns>
/// A <see cref="PowerpointViewerDocument"/> that manages the status of the PowerPoint Viewer instance.
/// </returns>
/// <exception cref="InvalidOperationException">PowerPoint Viewer could not be found (maybe it's not installed).</exception>
/// <exception cref="FileNotFoundException">The file to open could not be found.</exception>
/// <exception cref="DllNotFoundException">pptviewlib.dll could not be found.</exception>
/// <exception cref="PowerpointViewerOpenException">Something went wrong in pptviewlib.dll</exception>
public static PowerpointViewerDocument Open(string filename, Rectangle rect, bool generateThumbnails = true, bool openHidden = false, int thumbnailWidth = 0)
{
if (!IsAvailable)
{
throw new InvalidOperationException("Can't open a file: PowerPoint Viewer could not be found.");
}
var file = new FileInfo(filename);
if (!file.Exists)
{
throw new FileNotFoundException(file.FullName);
}
PowerpointViewerDocument doc = new PowerpointViewerDocument(file.FullName, rect, generateThumbnails, openHidden, thumbnailWidth);
return(doc);
}
/// <summary>
/// Opens a powerpoint file.
/// </summary>
/// <param name="filename">The file to open.</param>
/// <param name="rect">The rectangle of the area on the screen, where to show the PowerPoint Viewer.</param>
/// <param name="generateThumbnails">Whether thumbnails should be generated.</param>
/// <param name="openHidden">Whether the PowerPoint Viewer should be opened hidden (outside of the visible screen).</param>
/// <param name="thumbnailWidth">If set, defines the size of the generated thumbnails.</param>
/// <returns>
/// A <see cref="PowerpointViewerDocument"/> that manages the status of the PowerPoint Viewer instance.
/// </returns>
/// <exception cref="InvalidOperationException">PowerPoint Viewer could not be found (maybe it's not installed).</exception>
/// <exception cref="FileNotFoundException">The file to open could not be found.</exception>
/// <exception cref="DllNotFoundException">pptviewlib.dll could not be found.</exception>
/// <exception cref="PowerpointViewerOpenException">Something went wrong in pptviewlib.dll</exception>
public static PowerpointViewerDocument Open(string filename, Rectangle rect, bool generateThumbnails = true, bool openHidden = false, int thumbnailWidth = 0)
{
if (!IsAvailable)
throw new InvalidOperationException("Can't open a file: PowerPoint Viewer could not be found.");
var file = new FileInfo(filename);
if (!file.Exists)
throw new FileNotFoundException(file.FullName);
PowerpointViewerDocument doc = new PowerpointViewerDocument(file.FullName, rect, generateThumbnails, openHidden, thumbnailWidth);
return doc;
}
private void PerformLoad()
{
if (File == null)
throw new InvalidOperationException("file has not been set");
try
{
doc = PowerpointViewerController.Open(this.File.FullName, new Rectangle(Area.WindowLocation.X, Area.WindowLocation.Y, Area.WindowSize.Width, Area.WindowSize.Height), openHidden: true, thumbnailWidth: 200);
doc.Error += (sender, args) =>
{
if (!doc.HasLoaded)
{
Controller.Dispatcher.Invoke(new Action(() => OnLoaded(false)));
}
else
{
base.OnClosedExternally();
}
};
doc.Loaded += (sender, args) =>
{
Controller.Dispatcher.Invoke(new Action(() =>
{
if (!isClosing)
{
WordsLive.Presentation.Wpf.Interop.RemoveFromAeroPeek(doc.WindowHandle);
if (showOnLoaded)
{
doc.Move(Area.WindowLocation.X, Area.WindowLocation.Y);
isShown = true;
}
OnLoaded(true);
Controller.FocusMainWindow(true);
}
else
{
doc.Close();
}
}));
};
doc.Closed += (sender, args) =>
{
if (!isClosing)
base.OnClosedExternally();
};
doc.SlideChanged += (sender, args) =>
{
base.OnSlideIndexChanged();
};
doc.HiddenSlide += (sender, args) =>
{
Controller.Dispatcher.Invoke(new Action(() =>
{
if (!hasShownHiddenWarning)
{
MessageBox.Show(Resource.slideErrorMsgHiddenSlides, Resource.slideErrorMsgHiddenSlidesTitle, MessageBoxButton.OK, MessageBoxImage.Warning);
hasShownHiddenWarning = true;
}
}));
};
LoadPreviewProvider();
}
catch (PowerpointViewerController.PowerpointViewerOpenException)
{
Controller.Dispatcher.Invoke(new Action(() =>
{
OnLoaded(false);
}));
}
}
private void listBoxDocuments_SelectedIndexChanged(object sender, EventArgs e)
{
if (listBoxDocuments.SelectedIndex == -1)
activeDocument = null;
else
activeDocument = openDocuments[listBoxDocuments.SelectedIndex];
UpdateStats();
}
private void buttonOpen_Click(object sender, EventArgs e)
{
int x = int.Parse(textBoxX.Text);
int y = int.Parse(textBoxY.Text);
int width = int.Parse(textBoxWidth.Text);
int height = int.Parse(textBoxHeight.Text);
string filename = textBoxFilename.Text;
if (string.IsNullOrEmpty(filename))
return;
Rectangle rect = new Rectangle(x, y, width, height);
try
{
activeDocument = PowerpointViewerController.Open(filename, rect, thumbnailWidth: 200);
activeDocument.Loaded += new EventHandler(activeDocument_Loaded);
activeDocument.SlideChanged += new EventHandler(activeDocument_SlideChanged);
activeDocument.Closed += new EventHandler(activeDocument_Closed);
activeDocument.HiddenSlide += new EventHandler(activeDocument_HiddenSlide);
openDocuments.Add(activeDocument);
listBoxDocuments.SelectedIndex = listBoxDocuments.Items.Add("Document #" + (counter++));
this.UpdateStats();
SetForegroundWindow(this.Handle);
}
catch (PowerpointViewerController.PowerpointViewerOpenException)
{
MessageBox.Show("Loading failed.");
}
}
private void buttonClose_Click(object sender, EventArgs e)
{
if (activeDocument == null)
return;
activeDocument.Close();
activeDocument = null;
}
