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| =DRAFT= __NOTOC__
| | DRAFT |
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| Occurs when the <code>Calculate</code> or <code>CalculateBestFit</code> method is called but no data set has been defined or there is insufficient data to calculate the parameters of a distribution.
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| To handle custom events, set the <code>UseEvents</code> property of the object to True. The <code>Calculate</code> method raises the event once, when it is unable to calculate the parameters of the data. The <code>CalculateBestFit</code> method raises the event for each distribution that is selected to be included in the analysis.
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| == Syntax ==
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| '''_Message'''({{APIPrefix|ByVal}} ''msg'' {{APIPrefix|As String}}, {{APIPrefix|ByVal}} ''IsCritical'' {{APIPrefix|As Boolean}})
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| ===Parameters===
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| ''msg''
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| : The error message.
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| ''IsCritical''
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| : Indicates whether the message displayed is critical.
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| == Example ==
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| The following example provides a simple demonstration on how to handle a custom event.
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| '''VBA'''
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|
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| {{APIComment|'Specify a variable to handle the event.}}
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| {{APIPrefix|Private WithEvents}} wds {{APIPrefix|As}} WeibullDataSet
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| {{APIPrefix|Sub}} Main()
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| {{APIComment|'Associate the event variable with an object.}}
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| {{APIPrefix|Set}} wds = {{APIPrefix|New}} WeibullDataSet
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|
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| {{APIComment|'Set the application to handle custom events.}}
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| wds.UseEvents = True
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|
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| {{APIComment|'To raise the event, call the Calculate method without defining a data set. }}
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| wds.Calculate
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| Msgbox({{APIString|"End"}})
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| {{APIPrefix|End Sub}}
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| {{APIComment|'----------------------------}}
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| {{APIPrefix|Private Sub}} wds_Message({{APIPrefix|ByVal}} Msg {{APIPrefix|As String}}, {{APIPrefix|ByVal}} IsCritical {{APIPrefix|As Boolean}})
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| {{APIComment|'<Add code here to handle the event.>}}
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| MsgBox ({{APIString|"Message event"}})
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| {{APIPrefix|End Sub}}
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