1 - Test without callback

<com:TActivePanel ID="panel2">
	<com:TActiveTextBox ID="tb1" Columns="30" Text="ActiveTextBox" />
	<com:TActivePanel ID="panel3">
		<com:TTextBox ID="tb2" Columns="30" Text="TextBox in ActivePanel" />
	</com:TActivePanel>
</com:TActivePanel>

2 - Test callback with 2nd ActivePanel

<com:TActivePanel ID="panel4">
	<com:TActiveTextBox ID="tb3" Columns="30" Text="ActiveTextBox" />
	<com:TActivePanel ID="panel5">
		<com:TTextBox ID="tb4" Columns="30" Text="TextBox in ActivePanel" />
	</com:TActivePanel>
</com:TActivePanel>

3 - Test callback without 2nd ActivePanel

<com:TActivePanel ID="panel6">
	<com:TActiveTextBox ID="tb5" Columns="30" Text="ActiveTextBox" />
	<com:TPanel ID="panel7">
		<com:TTextBox ID="tb6" Columns="30" Text="TextBox in Panel" />
	</com:TPanel>
</com:TActivePanel>