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Unable to add reference of System.Windows.Forms in the WPF application

sachin chavan

I want create open file dialog in WPF. I use C# and XAML on .Net Core 3.1 Visual Studio 2019 v16.10. My IDE does not recognize using System.Windows.Forms;

When I try to add Project Reference it does not list using System.Windows.Forms

2 Replies

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Shweta Lodha5y ago
Accepted answer
Please add this to your csproj file and rebuild the project.
<UseWindowsForms>trueUseWindowsForms>
Sachin Singh5y ago
If using .NET 5 then use ShowDialog() , (package:- Microsoft.win32)
var fileDialog = new OpenFileDialog();
           if (fileDialog.ShowDialog() == true)
           {
               var fileName = fileDialog.FileName;
           }