Vb net 2010 dropdownitemclicked full#
Thing is I desperately needed a way to migrate a VB6 ActiveX to VB.NET, that had the same functionality, which now I archieved thanks to Darren after a week (5 days, 9 hours each) at full speed just googling the net and doing project tests.Ī little doubt I have though. I'm new to VB programming (I was originally trained as a Java programmer), and VB.NET seems even harder.
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Vb net 2010 dropdownitemclicked code#
NET control in COM, it will not work in an ActiveX environment.įirst of all, a big THANK YOU for this code snippet, it's solved my life as I needed to build an ActiveX (or something remotely close) in VB.NET, and this is the only one to have done the trick, so THANKS! That is one of the reasons, while even if you can register a. NET dll returns a Long (64 bits), it cannot be used in VB6 for instance. NET can easily use most ActiveX classes through an interop (a translator of types is some way), the reverse is harder. They can be mixed together up to a certain point because you can easily map a 16 bits ActiveX Integer to a 16 bits. NET Long) that ActiveX does not have.Ī Date in ActiveX is actually a Double while a Date in. NET.Įven types with the same name are different. The entry points built by the compiler are not similar.ĪctiveX controls use Variant variables that are not use in. It's not because you can register it with COM that it is an ActiveX control. NET dll / control in an ActiveX environment, but that does not make it an ActiveX control. NET unless you uses C++ that permits unmanaged code. If you look at the real stuff, it is not possible to create an ActiveX control in. Public Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.ClickĪll this is a question of semantics. Private Sub UserControl1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Private Shared Sub ComUnregister(ByVal t As Type) ' This is called when unregistering (no need to change it)
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Private Shared Sub ComRegister(ByVal t As Type)ĭim keyName As String = "CLSID\\" & t.GUID.ToString("B")ĭim key As RegistryKey = (keyName, True)ĭim subkey As RegistryKey = key.CreateSubKey("MiscStatus")ĭim libid As Guid = Marshal.GetTypeLibGuidForAssembly(t.Assembly)ĭim ver As Version = t.Assembly.GetName().Versionĭim version As String = String.Format("", ver.Major, ver.Minor) ' This function is called when registered (no need to change it) 'You should create your own 3 GUIDS using GuidGen ' clients will no longer be able to access the class. ' These GUIDs provide the COM identity for this class ' MAKE SURE WE HAVE 1 PUBLIC SUB in this class