我使用这个简单的类创建了一个COM-Interop .dll:
using System.Runtime.InteropServices;
namespace ClassLibrary1
{
[ComVisible(true)]
[Guid("795ECFD8-20BB-4C34-A7BE-DF268AAD3955")]
public interface IComWeightedScore
{
int Score { get; set; }
int Weight { get; set; }
}
[ClassInterface(ClassInterfaceType.None)]
[Guid("9E62446D-207D-4653-B60B-E624EFA85ED5")]
public class ComWeightedScore : IComWeightedScore
{
private int _score;
public int Score
{
get { return _score; }
set { _score = value; }
}
private int _weight;
public int Weight
{
get { return _weight; }
set { _weight = value; }
}
public ComWeightedScore()
{
_score = 0;
_weight = 1;
}
}
我使用以下命令进行注册:
C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\regasm C:\ComClasses\Classlibrary1.dll /tlb: Classlibrary1.tlb
最后,我成功地添加了对 .dll 的引用,VB6 对该对象的智能感知功能也随之启用。
Private Sub Form_Load()
Dim score1 As ComWeightedScore
Set score1 = New ComWeightedScore
score1.Score = 500
End Sub
在代码行 Set score1=new ComWeightedScore
中抛出了自动化错误异常。
这似乎再简单不过了...错误在哪里呢?!