我必须从C#中的DLL库访问一些函数。 我的第一步是创建一个包装类来解决它:我无法从另一个类访问包装类'方法
//Class TMDLLWrapper.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
namespace TrueMarbleData
{
class TMDLLWrapper
{
[DllImport("TrueMarbleDLL.dll")]
public static extern int GetTileSize(out int width, out int height);
[DllImport("TrueMarbleDLL.dll")]
public static extern int GetNumTiles(int zoomLevel, out int numTilesX, out int numTilesY);
[DllImport("TrueMarbleDLL.dll")]
public static extern int GetTileImageAsRawJPG(int zoomLevel, int tileX, int tileY, out byte imageBuf, int bufSize, out int jpgSize);
}
}
然后,我创建了一个接口和一个类来访问包装类的方法:
//Interface ITMDataController.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
namespace TrueMarbleData
{
[ServiceContract]
public interface ITMDataController
{
[OperationContract]
int GetTileWidth();
[OperationContract]
int GetTileHeight();
[OperationContract]
int GetNumTilesAcross(int zoom);
[OperationContract]
int GetNumTilesDown(int zoom);
[OperationContract]
byte[] LoadTile(int zoom, int x, int y);
}
}
//Class TMDataControllerImpl.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;
using TrueMarbleData;
namespace TrueMarbleData
{
[ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple,
UseSynchronizationContext=false)]
internal class TMDataControllerImpl : ITMDataController
{
TMDLLWrapper obj = new TMDLLWrapper(); //Problem here: I cannot access
//wrapper class' methods
//Methods available: Equals,
//GetHashCode, GetType, ToString
public int GetTileWidth()
{
return 0;
}
public int GetTileHeight();
public int GetNumTilesAcross(int zoom);
public int GetNumTilesDown(int zoom);
public byte[] LoadTile(int zoom, int x, int y);
}
}
我需要访问TMDataControllerImpl类中的“包装类”方法。但是,当我从TMDLLWrapper类创建一个对象时,我只能访问这些方法:Equals,GetHashCode,GetType,ToString。 这应该是一件容易的事情,我还没有弄清楚错误在哪里。 任何人都可以帮助我?
你需要调用它的静态方法,而不是一个实例方法? – jparram