ComWrappers.RegisterFor Marshalling
Introduction
In the past, developers have had to manually register COM components with the Windows Forms application. However, with the introduction of COM interop in Windows Forms, it is now possible to use com wrappers to simplify this process. Com wrappers are essentially wrappers around a com object that provide a convenient interface for accessing the underlying component. In this article, we will walk through the process of using ComWrappers.RegisterFor Marshalling to register a WebView2 component with the Windows Forms application.
Step 1: Create a new Windows Forms project
To use ComWrappers, you will need to create a new Windows Forms project. To do this, right-click on the \”New\” button in the \”Project\” menu and select \”Windows Forms Project\”. Once the project is created, you can add a new WebView2 component to the project.
Step 2: Add the WebView2 component to the project
To add the WebView2 component to the project, you will need to right-click on the WebView2 component and select \”Add\” > \”Component\”. From the \”Add Component\” dialog box, select \”Visual C++\” and then \”COM\”. Once the component is added, you can add it to the \”Controls\” section of the \”Project\” menu.
Step 3: Register the WebView2 component with the Windows Forms application
To register the WebView2 component with the Windows Forms application, you will need to add the following code to the \”App.cs\” file in the \”Startup\” section of the \”Project\” menu:
[一]
using System.Runtime.InteropServices;
using System.Windows.Forms;
[二]
namespace WinFormsComInterop
{
[三]
public partial class App : Form
{
[四]
public App()
{
[五]
this.Load += new RoutedEventHandler(App_Load);
[六]
}
[七]
void App_Load(object sender, EventArgs e)
{
[八]
WebView2 webView2 = new WebView2();
[九]
webView2.LoadUrl(\”https://www.example.com\”);
[十]
this.Controls.Add(webView2);
[十一]
}
[十二]
}
[十三]
}
Step 4: Compile the project
Once you have added the code to the project, you can compile it by right-clicking on the project in the \”Solution Explorer\” and selecting \”Build\” > \”Build Solution\”.
Conclusion
With the introduction of ComWrappers in Windows Forms, it is now possible to simplify the process of registering com components with the Windows Forms application. By using ComWrappers.RegisterFor Marshalling, you can avoid having to manually register com components and instead use com wrappers to provide a convenient interface for accessing the underlying component. In this article, we have demonstrated how to use ComWrappers to register a WebView2 component with the Windows Forms application.
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