[英]Using a .Net DLL in Microsoft Access VBA
Ok so I have an assembly, written in C#, using Visual Studio 2010. 好吧,我有一个用C#编写的程序集,使用Visual Studio 2010。
This Assembly contains one class, which contains one method which returns the word Result, the code is below: 这个程序集包含一个类,其中包含一个返回单词Result的方法,代码如下:
using System.Runtime.InteropServices;
namespace TestDLL
{
public class Class1
{
[ComVisible(true)]
public string TestMethod()
{
return "Result";
}
}
}
The output section in the Build tab on the properties window looks like so: 属性窗口的“构建”选项卡中的输出部分如下所示:
When I click on Build, I get a DLL file and a TLB file. 当我单击Build时,我得到一个DLL文件和一个TLB文件。 I can add this TLB file to Microsoft Access simply by browsing to it. 我只需浏览它就可以将此TLB文件添加到Microsoft Access。
Now, in Access I have a button and a label. 现在,在Access中我有一个按钮和一个标签。 I want to make the Caption property of my label equal to the result of testMethod. 我想让我的标签的Caption属性等于testMethod的结果。 I'm thinking I need to do something similar to below but I'm not sure, any help would be much appreciated: 我想我需要做类似下面的事情,但我不确定,任何帮助都会非常感激:
Private Sub btnMain_Click()
Dim tm As TestDLL
Dim foo As String
foo = tm.testMethod
lblBarr.Caption = foo
End Sub
Thankyou 谢谢
Maybe next will work: 也许接下来会有效:
Private Sub btnMain_Click()
Dim tm As TestDLL.Class1
Dim foo As String
Set tm = New TestDLL.Class1
foo = tm.testMethod
lblBarr.Caption = foo
End Sub
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