我知道的一个令人困惑的标题。让我解释。
我必须编组一个结构数组,然后将其转换为一个类数组(遗留兼容性)。例如
public class InnerClass {}
public class OuterClass { private InnerClass[] innerClasses; }
public struct InnerStruct {
// Data
}
private static buildInnerClass( InnerStruct i );
public struct OuterStruct {
private int _numInnerStructs;
private IntPtr _innerStructs;
// Other members
public InnerClass[] InnerClasses {
get {
InnerClass[] ret = new InnerClass[_numInnerStructs];
var structSize = Marshal.SizeOf(typeof(InnerStruct));
var ptr = _innerStructs;
for (int i = 0; i < _numInnerStructs; i++)
{
InnerStruct innerStruct = (InnerStruct)Marshal.PtrToStructure(
ptr, typeof(InnerStruct));
ret[i] = buildInnerClass(innerStruct);
ptr = (IntPtr)((int)ptr + structSize);
}
return ret;
}
}
}