I 'm not able to open this window:
Can anyone help me to find errors in this code? Thank you.
<?xml version="1.0" encoding="UTF-16"?>
<Interfaces xmlns="urn:msgplus:interface" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi
chemaLocation="urn:msgplus:interface PlusInterface.xsd" Name="Prova">
<Window Id="WndSending" Version="1">
<Attributes>
<Caption>Plus!Mail - Sending</Caption>
</Attributes>
<TitleBar>
<Title><Text>Sending Email...</Text></Title>
</TitleBar>
<Position Width="200" Height="100"/>
<DialogTmpl/>
<Controls>
<!-- Please Wait Message -->
<Control xsi:type="StaticControl" Id="lblStatus">
<Position Top="12" Width="200" Height="20" Left="0"/>
<Caption>Please wait while your email is being sent...\r\nThis may take several minutes with attachments...</Caption>
<Attributes>
<Align>center</Align>
</Attributes>
</Control>
<!-- OK Button -->
<Control xsi:type="ButtonControl" Id="btnOK" Visible="false">
<Position Top="35" Width="50" Left="75"/>
<Caption>OK</Caption>
<Attributes>
<IsDefault>true</IsDefault>
</Attributes>
</Control>
</Controls>
</Window>
</Interfaces>
