public static String GetStringProperty(MapiGuts.MAPIProp obj, Tags propId)
{
//Helper to get a single string property from a MAPI object
Value val = MapiUtils.GetProperty(obj, propId);
if (val != null) {
return val.ToString();
} else {
return null;
}
}
public static DateTime GetAppTimeProperty(MapiGuts.MAPIProp obj, Tags propId)
{
Value val = MapiUtils.GetProperty(obj, propId);
if (val != null) {
return ((MapiAppTime)val).Value;
} else {
return DateTime.MinValue;
}
}
public static Value GetProperty(MapiGuts.MAPIProp obj, Tags propId)
{
//Helper to get a single property from a MAPI object
Tags[] propIds = new Tags[] {propId};
Value[] values;
try {
Error hr = obj.GetProps(propIds, 0, out values);
if (hr != Error.Success) {
if (hr == Error.ErrorsReturned) {
//There was an error getting the property. The error code is returned instead
uint error = (uint)((MapiError)values[0]).Value;
if (error == MapiException.MAPI_E_NOT_FOUND) {
//Property not found
return null;
}
throw new MapiException(error);
}
throw new MapiException(hr);
}
return values[0];
} catch (Exception e) {
return new MapiString(Tags.PR_DISPLAY_NAME, String.Format("Exception: {0}", e.Message));
}
}
public static String GetLongStringProperty(MapiGuts.MAPIProp obj, Tags propId)
{
//Gets a string that is potentially long, and therefore must be retrieved
//using a stream.
IUnknown unk;
Error hr = obj.OpenProperty(propId, IStream.IID, 0, 0, out unk);
if (hr == Error.Success) {
using (unk) {
IStream stream = (IStream)unk;
using (stream) {
using (MemoryStream properyContents = new MemoryStream()) {
byte[] buffer = new byte[1024];
int read = 0;
do {
hr = stream.Read(buffer, (uint)buffer.Length, out read);
properyContents.Write(buffer, 0, read);
} while (hr == Error.Success && read > 0);
//Seek back to the start of the stream, and read it as text
properyContents.Seek(0, SeekOrigin.Begin);
//UTF-8 seems reasonable, at least for my email.
using (StreamReader rdr = new StreamReader(properyContents, System.Text.Encoding.UTF8)) {
return rdr.ReadToEnd();
}
}
}
}
}
return String.Format("Error getting {0}: {1:X}", propId, hr);
}
public static int GetLongProperty(MapiGuts.MAPIProp obj, Tags propId)
{
Value val = MapiUtils.GetProperty(obj, propId);
if (val != null) {
return ((MapiInt32)val).Value;
} else {
return Int32.MinValue;
}
}
public static ENTRYID GetEntryIdProperty(MapiGuts.MAPIProp obj, Tags propId)
{
//Helper to get a single Entry ID property from a MAPI object
Value val = MapiUtils.GetProperty(obj, propId);
if (val != null) {
return ENTRYID.Create(val);
} else {
return null;
}
}
public static byte[] GetBinaryProperty(MapiGuts.MAPIProp obj, Tags propId)
{
//Helper to get a single string property from a MAPI object
Value val = MapiUtils.GetProperty(obj, propId);
if (val != null) {
return ((MapiBinary)val).Value;
} else {
return null;
}
}
