Use Free Form property

Use the Use Free Form property to

Setting Description
[True] Data type and format definitions for the component are specified with the Data Type property and the Format property, rather than with properties normally used.
[False] Default. Data type and format definitions for the component are specified in the normal way.
注:  If you use the Free Form property and you want to set conditions for Enabled When, Required When, or Visible When properties, you must do so using the appropriate keywords in the [Data Type] attribute field for the Free Form property. Setting the [Free Form] property value to [True] disables those property fields in the [Component] properties sheet.  
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