Remove portion of submenu border - wpf

How can I remove the segment of a submenu border that touches the parent menu? Referring to the image below, what I currently have is on the left and what I want is on the right.

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How to create a sliding side border WPF?

So, if you have seen the Windows 11 Store UI. I want to replicate the border or the sliding bar on the side where every time you click a button the border or sliding bar would go to that button and center it self in the middle.
Create a custom template for the button that has an ItemControl of a single border on the left along with the button content, and when it is selected and animate it.

Telerik RadDock on left side of main form in Winform application

I have a WinForm application that I would like to add a RadDoc like a popup menu on the left inside form main.
The user should be able to hover to the left side of the screen or click some tab on the left side of the screen and then the menu bar will appear.
The RadDock control itself does not have a auto hide.
I can hide the ToolWindow inside the RadDock but this leaves a blue background where the ToolWindow would show.
Also, when the ToolWindows are "AutoHide" they are tabbed at the bottom but they need to be tabbed vertically on the left.
The last thing is that I can't seem to set the "popup" size of the ToolWindows.
I would suggest that you go through the RadDock documentation.
Auto Hide article: http://www.telerik.com/help/winforms/dock-architecture-and-features-auto-hiding-windows.html
Arranging windows: http://www.telerik.com/help/winforms/dock-architecture-and-features-arranging-dockwindows.html
Modifying windows size: http://www.telerik.com/help/winforms/dock-object-model-example-building-an-advanced-layout-at-runtime.html
To make the whole control collapsible, you can use the RadCollapsiblePanel control: link.

Fade And Slide About Animation WPF

I have a label with multi-line content.
I want the label's content to slide from the bottom and every line fade when it's turn to visible
Is there any way to do that with XAML (WPF) ?
I see this a lot in application's "About" box.

Override expand/collapse animation in panel/grid with EXTJS

Normally, the expand/collapse functionality in extjs works as the panel/grid header stays in a position and the body of the panel/grid moves down/up. But I need the panel header to be in a position and on expand, the header has to move up showing the panel/grid body. On collapse, the header has to move down and come to the original position. This is just like expand and collapse in accordian layout inner panel. But I want it with a single panel. Any code samples or pointer would be very helpful.
Note: Please note that I cannot use any third party plugin..
This sample in ExtJs 4.2.1.
One way to do what you are trying to achieve is by injecting "expander" div in afterrender event of parent panel before collapsible children. This means items are at the bottom of parent body after expander div so there is space to expand them up. When children are collapsed/expanded or parent is resized, injected div gets height of parent minus children.
You can see it here: https://fiddle.sencha.com/#fiddle/44c
Edit: I don't really get 1 panel part - if you want single panel to behave like that, expander could be injected into wrapper before header and content, but than you are left with panel of same size but collapsed - the only scenario this makes sense to me is by reversing collapse of children in sample I provided

WPF ContextMenu / MenuItem - Hide vertical Separator

I have a context menu and inside are two menu items. To remove the check mark and icon for the menu items i've created a style which is working great. However i've noticed that in the background there is a vertical separator which i can't get rid of using style for context menu. Any help?

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