... On Error Resume Next Dim oComponentCheck As stdole.IUnknown ' Check whether the specified component is installed and registered. Set oComponentCheck = CreateObject("COMName.ClassName") m_fComponentInstalled = (Err.Number = 0) ...
to realkk: 谢谢,我试过,好像对组件是可以的,不过ActiveX控件(.ocx)好像就不行。 在VB中,CreateObject的声明是这样的: Public Shared Function CreateObject( _ ByVal ProgId As String, _ Optional ByVal ServerName As String = "" _ ) As Object 控件的ProgID是什么?
其实是一样的,控件其实也是类, 下面是我自己做过的代码:Dim oCheckup As stdole.IUnknown' Check whether the activeX control ControlName is installed and registered. Set oCheckup = CreateObject("OCXLib.ControlName") m_fPerfectView = (Err.Number = 0)其中OCXLib.ControlName中的OCXLib是ActiveX ocx的工程名,也就是库名(不一定是ocx的文件名);ControlName是这个库里面的一个控件名.
On Error Resume Next Dim oComponentCheck As stdole.IUnknown ' Check whether the specified component is installed and registered.
Set oComponentCheck = CreateObject("COMName.ClassName")
m_fComponentInstalled = (Err.Number = 0)
...
谢谢,我试过,好像对组件是可以的,不过ActiveX控件(.ocx)好像就不行。
在VB中,CreateObject的声明是这样的:
Public Shared Function CreateObject( _
ByVal ProgId As String, _
Optional ByVal ServerName As String = "" _
) As Object
控件的ProgID是什么?
Set oCheckup = CreateObject("OCXLib.ControlName")
m_fPerfectView = (Err.Number = 0)其中OCXLib.ControlName中的OCXLib是ActiveX ocx的工程名,也就是库名(不一定是ocx的文件名);ControlName是这个库里面的一个控件名.