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POHow to create WPF usercontrol which contains placeholders for later usage
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copied!<p>I'd better ask the question by example. Let's say I have UserControl and Window which uses this control.</p> <p>I would like to design this control (named MyControl) in such way (this is sci-fi syntax!):</p> <pre><code><Grid> <Button>Just a button</Button> <PlaceHolder Name="place_holder/> </Grid> </code></pre> <p>and use in such ways when designing my Window:</p> <pre><code><MyControl/> </code></pre> <p>or</p> <pre><code><MyControl> <place_holder> <Button>Button 1</Button> </place_holder> </MyControl> </code></pre> <p>or</p> <pre><code><MyControl> <place_holder> <Button>Button 1</Button> <Button>Button 2</Button> </place_holder> </MyControl> </code></pre> <p>Of course I would like to have ability to add even more elements to MyControl in Window. So, in a way it should work as container (like Grid, StackPanel, and so on). The placement would be defined in UserControl (in this example after button "Just a button") but what to add (what elements) would be defined in Window (where UserControl -- MyControl -- is used).</p> <p><em>I hope this is clear what I would like to achieve. The key point is using XAML when designing Window, so my class should be no worse than other controls.</em></p> <p>Now, the big <strong>QUESTION</strong> is -- how to do it?</p> <p>Remarks: styling is out of scope. All I want to do is add any controls I want to MyControl when designing Window (not when designing MyControl).</p>

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