CODEWITHSUNDEEP
c#wpfcontextmenu
marcel
marcel

Reputation: 3272

Context Menu location

I have a context menu to show up manually by pressing the hotkey ctrl+menu. Therefore i use this function:

ContextMenu.IsOpen = true;

I call this in my main window. But it has some odd effects.

  1. If I only press the menu-key, the menu alwasy appears in the middle of the screen
  2. If I manually call the menu, it always appears in the top left corner.

my menu is this one:

<Window.ContextMenu>
    <ContextMenu Placement="Center">
        <MenuItem IsCheckable="False" Name="item2" Click="MenuItem_Click" Header="{DynamicResource countDownNotificationOn}"/>
    </ContextMenu>
</Window.ContextMenu>

using the xaml placement above dosen't work either. Therefore I set the window to

ContextMenuService.Placement="Center"

But doesn't work.

Upvotes: 8

Views: 5293

Answers (1)

Sheridan
Sheridan

Reputation: 69985

You need to set the PlacementTarget property of the ContextMenu:

if (element.ContextMenu != null )
{
    element.ContextMenu.PlacementTarget = element;
    element.ContextMenu.IsOpen = true;
}

If after this, the ContextMenu is still not placed correctly, you can set the placement using the ContextMenu.HorizontalOffset and ContextMenu.VerticalOffset properties. Take a look at the ContextMenu.HorizontalOffset Property and ContextMenu.VerticalOffset Property pages at MSDN for more information.

Upvotes: 15

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