I'd like to access methods from a subBlock, as it was possible before with the CMS 6 without the blocks because we were using UserControls.

Here's some code to explain myself:

SubBlock.ascx.cs =>

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public partial class SubBlock: BlockControlBase<SubBlockBlock>
{

   public string Method1()  { return "A string"; }

}

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ParentBlock.ascx =>

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<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="ParentBlock.ascx.cs" Inherits="MyProject.Views.Blocks.ParentBlock" %>

<div>
   <EPiServer:Property ID="SubBlock" runat="server" PropertyName="SubBlock" />
</div>

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ParentBlock.ascx.cs =>

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public partial class ParentBlock: BlockControlBase<ParentBlockBlock>
{

    public string ParentMethod()  { string aStringToDoSomething = SubBlock.Method1(); } //This of course doesn't work

}

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How can I do something like calling a method on a subBlock, any ideas?