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Windows Forms and Unmanaged Applications

.NET Framework 4.5

Windows Forms applications and controls can interoperate with unmanaged applications, with some caveats. The following sections describe the scenarios and configurations that Windows Forms applications and controls support and those that they do not support.

In This Section

Windows Forms and Unmanaged Applications Overview: Offers general information about how to use and implement Windows Forms controls that work with unmanaged applications.
How to: Support COM Interop by Displaying a Windows Form with the ShowDialog Method: Provides a code example that shows how to use the FormShowDialog method to run a Windows Form in an unmanaged application.
How to: Support COM Interop by Displaying Each Windows Form on Its Own Thread: Provides a code example that shows how to run a Windows Form on its own thread.

Topic	Location
Walkthrough: Supporting COM Interop by Displaying Each Windows Form on Its Own Thread	Windows Forms Programming
Walkthrough: Supporting COM Interop by Displaying Each Windows Form on Its Own Thread	Windows Forms Programming
Walkthrough: Supporting COM Interop by Displaying Each Windows Form on Its Own Thread
Walkthrough: Supporting COM Interop by Displaying Each Windows Form on Its Own Thread	Windows Forms Programming
Walkthrough: Supporting COM Interop by Displaying Each Windows Form on Its Own Thread

Reference

FormShowDialog: Used to create a separate thread for a Windows Form.
ApplicationRun: Starts a message loop for a thread.
Invoke: Marshals calls from an unmanaged application to a form.

Related Sections

Exposing .NET Framework Components to COM: Offers general information about how to use .NET Framework types in unmanaged applications.
Advanced COM Interoperability: Offers general information about advanced concepts for using .NET Framework types in unmanaged applications.

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