/// <summary>
/// Sets all internal state back to null
/// </summary>
private void ResetState()
{
m_presentation = null;
m_originalFileName = null;
m_newFileName = null;
m_statusFileName = null;
}
/// <summary>
/// Opens the original word file and initializes the Word.Document object.
/// The original file may be HTML, DOC, or RTF
/// </summary>
private void OpenDocument()
{
// Open the presentation (ppt file) based on the given file name
// Note that the last parameter determines whether the
// presentation should be opened within a visible window,
// which in our case in "false". Since in PowerPoint no
// hiding of app is allowed ( i.e."pptApp.Visible = falseFlag;"
// won't work), we should not call pptApp.Activate();
m_presentation = m_pptApp.Presentations.Open(m_originalFileName, MS_FALSE,
MS_FALSE, MS_FALSE);
}
/// <summary>
/// Saves the document out with the appropriate new filename and format.
/// Also does any special handling such as accepting/rejecting changes
/// before saving.
/// </summary>
private void SaveDocument()
{
m_presentation.SaveAs(m_newFileName, m_newFormatType, MS_FALSE);
try
{
m_presentation.Close();
}
catch (Exception e)
{
Logger.LogError("Failed to close powerpoint presentation", e);
}
m_presentation = null;
}