Make DisplayFormat configurable for TextBoxes and GridColumns, Fix Typo, Properly Convert Dates and Numbers in Vector Fields

app/TaskFlow/ModuleControlProperties.vb

@@ -210,6 +210,39 @@ Public Module ModuleControlProperties
         <Category(ClassConstants.CAT_VALIDATION)>
         <Editor(GetType(MultilineStringEditor), GetType(UITypeEditor))>
         Public Property RegexMessage As String
+
+        <DisplayName("Display Format String")>
+        <Category(ClassConstants.CAT_DISPLAY)>
+        <TypeConverter(GetType(DisplayFormatConverter))>
+        Public Property DisplayFormat As String
+
+        Public Class DisplayFormatConverter
+            Inherits TypeConverter
+
+            Public Overrides Function GetStandardValuesSupported(context As ITypeDescriptorContext) As Boolean
+                Return True
+            End Function
+
+            Public Overrides Function GetStandardValues(context As ITypeDescriptorContext) As StandardValuesCollection
+                Dim displayFormatList = New List(Of String) From {
+                    ClassControlCreator.CONTROL_TYPE_TEXT,
+                    ClassControlCreator.CONTROL_TYPE_BOOLEAN,
+                    ClassControlCreator.CONTROL_TYPE_INTEGER,
+                    ClassControlCreator.CONTROL_TYPE_DOUBLE,
+                    ClassControlCreator.CONTROL_TYPE_CURRENCY
+                }
+                Dim values As New StandardValuesCollection(displayFormatList)
+                Return values
+            End Function
+
+            Public Overrides Function ConvertTo(context As ITypeDescriptorContext, culture As CultureInfo, value As Object, destinationType As Type) As Object
+                If IsNothing(value) Then
+                    Return ""
+                Else
+                    Return value.ToString()
+                End If
+            End Function
+        End Class
     End Class
 
     Public Class LabelProperties