Illegal parameter. Can't write arrays (Error 328)

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This page is specific to the Visual Basic for Applications (VBA) Language Reference for Office 2010.

An illegal parameter was passed to the method. This error has the following cause and solution:

  • In the WriteProperties event of your User Control, you tried to do a PropBag.WriteProperty X, where X is an array. This isn't supported.

    You must write out each element of the array individually.