WPF design-time context menu

contextmenuvisual studiowpf

I am trying to create a custom wpf control, I'm wondering how I can add some design-time features. I've googled and can't seem to get to my goal.

So here's my simple question, how can I add an entry to the design-time context menu for my WPF usercontrol? The context menu by default has entries View Code,View XAML, etc.

Best Answer

You probably want to check out the WPF Designer Extensibility documentation. Specifically it sounds like you want to create a custom MenuAction.

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WPF UserControl Design Time Size

For Blend, a little known trick is to add these attributes to your usercontrol or window:

 xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
mc:Ignorable="d"
       d:DesignHeight="500" d:DesignWidth="600"

This will set the design height and width to 500 and 600 respectively. However this will only work for the blend designer. Not the Visual Studio Designer.

As far as the Visual Studio Designer your technique is all that works. Which is why I don't use the Visual Studio Designer. ;)

R – WPF Quad Context Menu

I can think of two approaches, neither one are necessarily that clean but has the potential to work if you have the time.

Approach 1

Use a context menu but through setting the Template make it so that the ContextMenu really just shows a control that happens to open other windows. Perhaps tricks can be done so that opening these secondary menus doesn't take the focus away. This might end up still causing the original problem.

Approach 2

What happens if you set ContextMenu.StaysOpen to false and then try to control when the menu closes yourself?

Best Answer

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WPF UserControl Design Time Size

R – WPF Quad Context Menu

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