C# WPF textbox in winforms drag and drop file

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C#

I can drag and drop a text file to be read into a textbox in a WinForms, no problem.

However I need to have a WPF textbox in my WinForms and perform the same action.(It can take more than 1024 characters before an unrequested wrap is performed unlike the WinForms version)

Can someone make a simple example in c# that they have tested to verify it works.

What I have tried:

Tried as stated above

<Canvas>
    <TextBox x:Name="textboxJon" HorizontalAlignment="Left" Height="257" Margin="138,90,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="524"   AllowDrop="True" DragEnter="textboxJon_DragEnter" DragDrop.Drop="textboxJon_DragDrop"/>

</Canvas>