/// <summary>
/// Find the previous story range (similar to Word's .NextStoryRange)
/// </summary>
/// <param name="SelectionRange">The starting range.</param>
/// <returns>A Range containing the previous story range.</returns>
internal static Word.Range PreviousStoryRange(Word.Range SelectionRange)
{
Word.Range PreviousRange = null;
Word.Range CurrentRange = null;
switch (SelectionRange.StoryType)
{
case Word.WdStoryType.wdEvenPagesHeaderStory:
case Word.WdStoryType.wdPrimaryHeaderStory:
case Word.WdStoryType.wdEvenPagesFooterStory:
case Word.WdStoryType.wdPrimaryFooterStory:
case Word.WdStoryType.wdFirstPageHeaderStory:
case Word.WdStoryType.wdFirstPageFooterStory:
case Word.WdStoryType.wdTextFrameStory:
CurrentRange = SelectionRange.Document.StoryRanges[SelectionRange.StoryType];
while (!SelectionRange.InStory(CurrentRange) && CurrentRange.NextStoryRange != null)
{
PreviousRange = CurrentRange;
CurrentRange = CurrentRange.NextStoryRange;
}
return(PreviousRange);
default:
return(null);
}
}
/// <summary>
/// Finds the index of the section with the specified header/footer.
/// </summary>
/// <param name="Document">The document to search.</param>
/// <param name="SelectionRange">The range containing the specified header/footer.</param>
/// <returns>The ordinal position of the section containing the header/footer.</returns>
internal static int FindSectionWithHeaderFooter(Word.Document Document, Word.Range SelectionRange)
{
for (int i = 1; i <= Document.Sections.Count; i++)
{
if (IsHeader(SelectionRange.StoryType))
{
if (SelectionRange.InStory(Document.Sections[i].Headers[GetHeaderFooterType(SelectionRange.StoryType)].Range))
{
return(i);
}
}
else
{
if (SelectionRange.InStory(Document.Sections[i].Footers[GetHeaderFooterType(SelectionRange.StoryType)].Range))
{
return(i);
}
}
}
throw new ArgumentException("could not locate story for range");
}