IHYCrossPlatformWrapper

Overview

The IHYCrossPlatformWrapper interface is used to provide methods for a wrapper for managed plugins that use WPF. In the Hydra framework, this interface is implemented by the VisualPluginWrapper class to provide base implementation of the wrapper.

There is no need to use this interface directly; if you want to use custom interfaces inside your WPF plugin, you have to create a wrapper class to make it COM interoperable, for example:

     //custom interface
    [Guid("4DE68814-FA8B-4ce8-9FA8-32B7535B6961")]
    public interface ICustomInterface: IHYCrossPlatformInterface
    {
        void PrintSomething(string S);
    }

    //wrapper class
    public class PluginWrapper: VisualPluginWrapper, ICustomInterface
    {
        private new Plugin1 PluginInstance { get { return base.PluginInstance as Plugin1; } }

        public void PrintSomething(string S)
        {
            PluginInstance.PrintSomething(S);
        }
    }

You also have to add the NeedsManagedWrapperAttribute to your plugin, as shown below:

    [Plugin, VisualPlugin, NeedsManagedWrapper(typeof(PluginWrapper))]
    public partial class Plugin1 : RemObjects.Hydra.WPF.VisualPlugin, ICustomInterface

Note: Take a look at the Delphi WPF sample shipped with Hydra to see plugins with WPF in action.

Location


Required Methods

CreateInternalInstance  safecall

Creates a new instance of the specififed type.

procedure CreateInternalInstance(const aPluginType: _Type)

Parameters:

  • aPluginType: Type of the plugin.