/// <summary>
/// MAPI session intialization and logon.
/// </summary>
/// <returns>true if successful; otherwise, false</returns>
private bool Initialize()
{
IntPtr pSession = IntPtr.Zero;
if (MAPINative.MAPIInitialize(IntPtr.Zero) == HRESULT.S_OK)
{
MAPINative.MAPILogonEx(0, null, null, (uint)(MAPIFlag.EXTENDED | MAPIFlag.USE_DEFAULT), out pSession);
if (pSession == IntPtr.Zero)
{
MAPINative.MAPILogonEx(0, null, null, (uint)(MAPIFlag.EXTENDED | MAPIFlag.NEW_SESSION | MAPIFlag.USE_DEFAULT), out pSession);
}
}
if (pSession != IntPtr.Zero)
{
object sessionObj = null;
try
{
sessionObj = Marshal.GetObjectForIUnknown(pSession);
session_ = sessionObj as IMAPISession;
}
catch { }
}
return(session_ != null);
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected void Dispose(bool disposing)
{
if (disposing)
{
if (session_ != null)
{
Marshal.ReleaseComObject(session_);
session_ = null;
MAPINative.MAPIUninitialize();
}
}
}
/// <summary>
/// Returns one or more rows from a table, beginning at the current cursor position.
/// </summary>
/// <param name="lRowCount">Maximum number of rows to be returned.</param>
/// <param name="sRows">an SRow array holding the table rows.</param>
/// <returns></returns>
public bool QueryRows(int lRowCount, out SRow[] sRows)
{
IntPtr pRowSet = IntPtr.Zero;
HRESULT hr = tb_.QueryRows(lRowCount, 0, out pRowSet);
if (hr != HRESULT.S_OK)
{
MAPINative.MAPIFreeBuffer(pRowSet);
}
uint cRows = (uint)Marshal.ReadInt32(pRowSet);
sRows = new SRow[cRows];
if (cRows < 1)
{
MAPINative.MAPIFreeBuffer(pRowSet);
return(false);
}
int pIntSize = IntPtr.Size, intSize = Marshal.SizeOf(typeof(Int32));
int sizeOfSRow = 2 * intSize + pIntSize;
IntPtr rows = pRowSet + intSize;
for (int i = 0; i < cRows; i++)
{
IntPtr pRowOffset = rows + i * sizeOfSRow;
uint cValues = (uint)Marshal.ReadInt32(pRowOffset + pIntSize);
IntPtr pProps = Marshal.ReadIntPtr(pRowOffset + pIntSize + intSize);
IPropValue[] lpProps = new IPropValue[cValues];
for (int j = 0; j < cValues; j++) // each column
{
SPropValue lpProp = (SPropValue)Marshal.PtrToStructure(pProps + j * Marshal.SizeOf(typeof(SPropValue)), typeof(SPropValue));
lpProps[j] = new MAPIProp(lpProp);
}
sRows[i].propVals = lpProps;
}
MAPINative.MAPIFreeBuffer(pRowSet);
return(true);
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected void Dispose(bool disposing)
{
if (disposing)
{
if (session_ != null)
{
if (CurrentStore != null)
{
CurrentStore.Dispose();
CurrentStore = null;
}
if (content_ != null)
{
content_.Dispose();
content_ = null;
}
Marshal.ReleaseComObject(session_);
session_ = null;
MAPINative.MAPIUninitialize();
}
}
}
