///<summary>Attempts to retrive the EmailAddress corresponding to the address in textFromAddress.
///Use fromAddressOverride when the controls textFromAddress.Text has not been loaded yet.</summary>
public FromAddressMatchResult TryGetFromEmailAddress(out EmailAddress emailAddress,string fromAddressOverride="")
{
emailAddress=null;
string fromAddressText=textFromAddress.Text;
if(!string.IsNullOrEmpty(fromAddressOverride)) {
fromAddressText=fromAddressOverride;
}
List<EmailAddress> listMatchingEmailAddresses=new List<EmailAddress>();
#region EmailAddressPreview.EmailAddressNum based matching.
if(EmailAddressPreview!=null
//User may have manually modified the From address, force old matching logic when EmailAddressPreview.EmailAddressNum can't be trusted.
&& EmailAddressPreview.GetFrom()==fromAddressText)
{
//Sending email address should be set before loading this control. This is the best approach to matching email account.
listMatchingEmailAddresses=_listEmailAddresses.FindAll(x => x.EmailAddressNum==EmailAddressPreview.EmailAddressNum);
}
#endregion
#region Text based matching
else {
foreach(EmailAddress emailAccount in _listEmailAddresses) {
//Less reliable, but works in most email account setups.
string senderAddress=emailAccount.SenderAddress.Trim().ToLower();
string emailUserName=emailAccount.EmailUsername.Trim().ToLower();
string fromAddress=fromAddressText.Trim().ToLower();
if(((senderAddress!="" && fromAddress.Contains(senderAddress))
|| (emailUserName!="" && fromAddress.Contains(emailUserName))
|| (fromAddress!="" && (emailUserName.Contains(fromAddress) || senderAddress.Contains(fromAddress))))
&& (!listMatchingEmailAddresses.Contains(emailAccount)))
{
listMatchingEmailAddresses.Add(emailAccount);//Found an emailaddress that is probably right.
}
}
}
#endregion
FromAddressMatchResult result;
switch(listMatchingEmailAddresses.Count) {
case 0:
emailAddress=null;
result=FromAddressMatchResult.Failed;
break;
case 1:
emailAddress=listMatchingEmailAddresses[0];
result=FromAddressMatchResult.Success;
break;
default:
emailAddress=listMatchingEmailAddresses[0];
result=FromAddressMatchResult.Multi;
break;
}
return result;
}
private void comboEmailFrom_SelectionChangeCommitted(object sender, EventArgs e)
{
EmailAddress emailAddressSelected = _listEmailAddresses[comboEmailFrom.SelectedIndex];
textFromAddress.Text = emailAddressSelected.GetFrom();
if (!_isComposing || !_isSigningEnabled)
{
return;
}
SetSig(EmailMessages.GetCertFromPrivateStore(emailAddressSelected.EmailUsername));
}