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Optional Parameter generates error if color is a parameter

Last Modified: 2013-12-17
When I am using the folllowing line as input parameter of my function

"Optional ByVal InColor As Color = SystemColors.Control" it is giving error as "optional parameter can not have structure type".

Then How to use color as input parameter of a function?
Private Function fShowControl(ByRef InTreeGridViewName As TreeGridView, ByVal InRowNo As Integer, ByVal InColNo As Integer, _
                                  ByVal InControl As MYCONTROLS, Optional ByVal InShowMsg As Boolean = True, _
                                  Optional ByVal InHorizontalPadding As Integer = 1, _
                                  Optional ByVal InVerticalPadding As Integer = 1, _
                                  Optional ByVal InCaption As String = "", Optional ByVal InColor As Color = SystemColors.Control) As Boolean
End Function

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