Outlook - Add Color Coding to Calendar Items

Submitted by Sergey on January 1, 2008 - 21:28

The Outlook model doesn't provide access to the Label property, but it can be retrieved/changed via CDO 1.21.
Requires Outlook 2002 or later. Tested with Outlook 2003 only.
Based on http://www.outlookcode.com/codedetail.aspx?id=139

This is sample code. Add error handling and adjust to your requirements as necessary.

* FUNCTION SetApptColorLabel
* toAppointment - Appointment object to change label/color for
* tnColor - Label/Color to assign 
LPARAMETERS toAppointment, tnColor 
 
LOCAL ccCdoPropSetID1, ccCdoAppt_Colors, loCDO, loMsg, loFields, loColorField, oExp AS Exception
ccCdoPropSetID1  = "0220060000000000C000000000000046"
ccCdoAppt_Colors = "0x8214"
ccVbLong         = 3  
 
ASSERT BETWEEN(tnColor, 0, 9) MESSAGE "Color can be between 0 and 9"
 
lcCurrFolder = FULLPATH("")
loCDO = CREATEOBJECT("MAPI.Session")
loCDO.Logon("", "", .F., .F.)
SET DEFAULT TO (lcCurrFolder)  
 
loMsg = loCdo.GetMessage(toAppointment.EntryID, toAppointment.Parent.StoreID)
loFields = loMsg.Fields
TRY
	loColorField = loFields.Item(ccCdoAppt_Colors, ccCdoPropSetID1)
CATCH TO oExp WHEN oExp.ErrorNo = 1429 AND ("MAPI_E_NOT_FOUND" $ oExp.Message)	
	loColorField = loFields.Add(ccCdoAppt_Colors, ccVbLong, tnColor, ccCdoPropSetID1)
ENDTRY
loColorField.Value = tnColor
loMsg.Update(.T., .T.)
loCDO.Logoff()
 
RETURN
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