Because, (If I'm not wrong)
everytime you set a datapoint from the MSChart-object, MSchart is repainting the Graph; if you set the it with an array the chart is painted in one time.

I'm not sure about this because I can't test it.
>>Still no tricks.
>>
>>But, why don't you just create a wrapper method on your wrapper class?
>>This is quite a clean solution.
>>
>>Eg:
>>
>>LOCAL loObject AS oleChart
>>LOCAL loForm AS Form
>>LOCAL laMyArray[5]
>>
>>loForm = CREATEOBJECT( "FORM")
>>loForm.NewObject( "oleChart", "oleChart")
>>loObject = loForm.oleChart
>>
>>loObject.MySetData( @laMyArray)
>>
>>RETURN
>>
>>DEFINE CLASS oleChart AS OLEControl
>> OLEClass = "MSChart20Lib.MSChart.2"
>>
>>PROCEDURE MySetData
>>LPARAMETERS taDataArray
>>LOCAL lnRow, lnColumn
>>
>>EXTERNAL ARRAY taDataArray
>>
>>THIS.ColumnCount = ALEN( taDataArray,2)
>>THIS.RowCount = ALEN( taDataArray,1)
>>
>>FOR lnColumn = 1 TO THIS.ColumnCount
>> FOR lnRow = 1 TO THIS.RowCount
>> THIS.Column = lnColumn
>> THIS.Row = lnRow
>> THIS.Data = taDataArray[ lnRow, lnColumn]
>> ENDFOR
>>ENDFOR
>>
>>ENDDEFINE
>>
>>
>>>Thanks for your reply,
>>>I hope someone can help me and tell me if there's a trick for this, It would make my code (MsChart-wrapper) a lot cleaner.
>>>