System windows form axhost

This method can start the form, but after the program is running, there is no data display when switching to the data view, and the control of the layout view is not displayed. File: SystemWindowsFormsAxHost.VBFormat.cs. using System; using System.Collections.Generic; using System.Text; using System.Windows.Forms; using AxWMPLib; using System SystemWindowsFormsAxHost.State.cs (2) 37 internal State(MemoryStream memoryStream, int storageType, AxHost control, PropertyBagStream propertyBag) 61 internal State( AxHost control) SystemWindowsFormsContainerControl.cs (4) After obfuscating this code with verion 6.5 of {Smart Assembly} and running apllication I get following error: System.TypeLoadException: Could not load type 'System.Windows.Forms.AxHost/State' from assembly 'System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. Get full access to .NET Windows Forms in a Nutshell and 60K+ other titles, with free 10-day trial of O'Reilly. There's also live online events, interactive content, certification prep materials, and more. public abstract class AxHost: Control : System.ComponentModel.ISupportInitialize, Windows Forms is a .NET UI framework for building Windows desktop applications. - winforms/AxHost.cs at main · dotnet/winforms. winforms / src / System.Windows.Forms / src / System / Windows / Forms / AxHost.cs / Jump to. Code definitions. Hello I have an ActiveX object converted to be functional to WPF (standard procedure: Windows Forms control Library and then embedded into the WPF project using a Windows Forms Host controller). Everything works ok with a simple bug from time to time. System.Runtime.InteropServices.COMException was unhandled Message="Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))" Source="System.Windows.Forms" ErrorCode=-2147221164 StackTrace: at System.Windows.Forms.UnsafeNativeMethods.CoCreateInstance(Guid& clsid, Object punkOuter, Int32 context, Guid& iid) at System System.Windows.Forms.AxHost.GetOcx () Here are the examples of the csharp api class System.Windows.Forms.AxHost.GetOcx () taken from open source projects. By voting up you can indicate which examples are most useful and appropriate. But I'm not able to set its URL property (i.e. path of the. media file). and i'm getting the exception like. System.Windows.Forms.AxHost+InvalidActiveXStateExc eption. Those who are interested may read below extended information: I have created one class named as Class2 i.e. Class2.cs file : Code. are as below. Hello, In my app, I am using the MSCOMCTL library to use the vb6 listview control in a .net program, the reason I am doing this is because I cannot find a way to have multiple columns in the .net list view. Anyway, I have a number of these listviews in my project. Say there is a main form · First see the following code snippet about using Listview First, I would suggest you check the following document. AxHost.InvalidActiveXStateException Class (System.Windows.Forms) The public properties and methods of an ActiveX control can only be referenced after the ActiveX control has been instantiated and initialized completely ; otherwise the AxHost.InvalidActiveXStateException exception is thrown.