public PowerPointSlide CreateStepBackSlide()
{
Slide duplicatedSlide = _slide.Duplicate()[1];
return(PowerPointStepBackSlide.FromSlideFactory(duplicatedSlide));
}
public static void AddStepBackAnimation(PowerPoint.Shape selectedShape, PowerPointSlide currentSlide,
out PowerPointStepBackSlide addedSlide, bool includeAckSlide = true, bool deletePreviouslyAdded = true)
{
try
{
if (currentSlide == null || currentSlide.Index == 1)
{
System.Windows.Forms.MessageBox.Show("No previous slide is found. Please select the correct slide", "Unable to Add Animations");
addedSlide = null;
return;
}
//Pick up the border and shadow style, to be applied to zoomed shape
selectedShape.PickUp();
PrepareZoomShape(currentSlide, ref selectedShape);
PowerPointSlide previousSlide = GetPreviousSlide(currentSlide, deletePreviouslyAdded);
PowerPoint.Shape previousSlidePicture = null, shapeToZoom = null;
currentSlide.HideIndicator();
if (backgroundZoomChecked)
{
previousSlidePicture = GetPreviousSlidePictureWithBackground(currentSlide, previousSlide);
previousSlidePicture.Apply();
PreparePreviousSlidePicture(currentSlide, selectedShape, ref previousSlidePicture);
addedSlide = (PowerPointStepBackSlide)previousSlide.CreateStepBackSlide();
addedSlide.DeleteAllShapes();
PowerPoint.Shape backgroundShape = null;
shapeToZoom = GetStepBackWithBackgroundShapeToZoom(currentSlide, addedSlide, previousSlidePicture, out backgroundShape);
shapeToZoom.Apply();
addedSlide.PrepareForStepBack();
addedSlide.AddStepBackAnimationBackground(shapeToZoom, backgroundShape, previousSlidePicture);
}
else
{
addedSlide = (PowerPointStepBackSlide)previousSlide.CreateStepBackSlide();
addedSlide.DeleteAllShapes();
shapeToZoom = GetStepBackWithoutBackgroundShapeToZoom(currentSlide, addedSlide, previousSlide);
shapeToZoom.Apply();
shapeToZoom.Copy();
previousSlidePicture = currentSlide.Shapes.PasteSpecial(PowerPoint.PpPasteDataType.ppPastePNG)[1];
previousSlidePicture.Apply();
PreparePreviousSlidePicture(currentSlide, selectedShape, ref previousSlidePicture);
addedSlide.PrepareForStepBack();
addedSlide.AddStepBackAnimationNonBackground(shapeToZoom, previousSlidePicture);
}
currentSlide.ShowIndicator();
currentSlide.Transition.EntryEffect = PowerPoint.PpEntryEffect.ppEffectFadeSmoothly;
currentSlide.Transition.Duration = 0.25f;
Globals.ThisAddIn.Application.ActiveWindow.View.GotoSlide(addedSlide.Index);
Globals.ThisAddIn.Application.CommandBars.ExecuteMso("AnimationPreview");
if (includeAckSlide) PowerPointPresentation.Current.AddAckSlide();
}
catch (Exception e)
{
PowerPointLabsGlobals.LogException(e, "AddStepBackAnimation");
ErrorDialogWrapper.ShowDialog("Error when adding step back animation", "An error occurred when adding step back animation.", e);
throw;
}
}
