StackOverflow2013

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Id
20828118
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0
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0
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CreationDate
2013-12-29T17:36:57.997
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2013-12-29T17:36:57.997
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2017-05-23T12:15:07.033
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text
Body
So not only do we have to take the common parameters -Debug and -Verbose of the cmdlet into account, but also the global $DebugPreference and $VerbosePreference flags and the fact that these common parameters are inherited if a cmdlet is called from another cmdlet. It can be done without hacking around in the internals. <a href="https://stackoverflow.com/a/9916709/1242">This answer</a> shows you it can be done with little problems in a PowerShell cmdlet. <pre><code>function f { [cmdletbinding()]Param() $debug = $DebugPreference -ne 'SilentlyContinue' $verbose = $VerbosePreference -ne 'SilentlyContinue' "f is called" " `$debug = $debug" " `$verbose = $verbose" } function g { [cmdletbinding()]Param() "g is called" f } f f -Debug -Verbose g g -Debug -Verbose </code></pre> From C# we have to check both these global flags, but also the common parameters. Be sure to inherit from PSCmdlet instead of Cmdlet to get to the GetVariableValue method. <pre><code>bool debug = false; bool containsDebug = MyInvocation.BoundParameters.ContainsKey("Debug"); if (containsDebug) debug = ((SwitchParameter)MyInvocation.BoundParameters["Debug"]).ToBool(); else debug = (ActionPreference)GetVariableValue("DebugPreference") != ActionPreference.SilentlyContinue; bool verbose = false; bool containsVerbose = MyInvocation.BoundParameters.ContainsKey("Verbose"); if (containsVerbose) verbose = ((SwitchParameter)MyInvocation.BoundParameters["Verbose"]).ToBool(); else verbose = (ActionPreference)GetVariableValue("VerbosePreference") != ActionPreference.SilentlyContinue; </code></pre>
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1. This table or related slice is empty.
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1. POHow does a cmdlet know when it really should call WriteVerbose()?
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USCommunity
UserOwnerUserId
1. USLars Truijens
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