/// <summary>
/// Activate the editor
/// </summary>
/// <param name="withUI">Activates the UI of the control immediately after start up.</param>
/// <remarks>
/// UI activation means that the caret appears immediately after the designer surface appears, whether or not the
/// control has the focus.
/// </remarks>
public void ActivateMSHTML(bool withUI)
{
try {
this.WithUI = withUI;
Interop.RECT r = EditorRect;
int result = OleDocument.DoVerb((int)Interop.OLE.OLEIVERB_UIACTIVATE, Interop.NullIntPtr, this, 0, EditorHandle, r);
if (result == Interop.S_OK)
{
this.htmlEditor.NeedActivation = false;
}
else
{
throw new ApplicationException("Activate UI in ActivateMSHTML failed with result " + result);
}
htmlEditor.AddEditDesigner(this);
}
catch (Exception e) {
Debug.Fail(e.ToString());
}
}
public static string GetFormatFile(Stream stmFile)
{
try
{
var br = new BinaryReader(stmFile);
byte[] start = null;
if (stmFile.Length < 8)
{
return(string.Empty);
}
start = br.ReadBytes(8);
if (Encoding.ASCII.GetString(start).StartsWith("%PDF-"))
{
return("pdf");
}
var magic_number = new byte[8] {
0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1
};
var isdoc = true;
for (var i = 0; i < magic_number.Length; i++)
{
if (start[i] != magic_number[i])
{
isdoc = false;
break;
}
}
if (isdoc)
{
var doc = new OleDocument(stmFile);
if (doc.isValid())
{
doc.readMSAT();
doc.readSAT();
doc.readSSAT();
doc.readDir();
if (doc.OpenStream("WordDocument") != null)
{
return("doc");
}
if (doc.OpenStream("Workbook") != null)
{
return("xls");
}
if (doc.OpenStream("PowerPoint Document") != null)
{
return("ppt");
}
}
}
ZipFile z = null;
try
{
z = ZipFile.Read(stmFile);
foreach (var s in z.EntryFileNames)
{
if (s.StartsWith("word"))
{
return("docx");
}
if (s.StartsWith("xl"))
{
return("xlsx");
}
if (s.StartsWith("ppt"))
{
return("pptx");
}
}
return("odt");
}
catch
{
return(String.Empty);
}
finally
{
z.Dispose();
}
}
catch
{
return(string.Empty);
}
}
