ben*_*san 2 c# pinvoke marshalling interopservices
我有一个UInt32值,我想使用InterOpServices传递给外部DLL.
非托管代码的原型是:
[DllImport("svr.dll")]
public static extern UInt32 CreateTag (
[MarshalAs(UnmanagedType.LPStr)] String Name,
Object Value,
UInt16 InitialQuality,
bool IsWritable);
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调用代码是:
int myValue = Convert.ToInt32(item); //How to marshal as I8 type
tagNumber = (UInt32)svr_DLL.CreateTag(
DeviceName + "." + el.tagName,
myValue, // <-- this argument
192,
Convert.ToBoolean(el.tagEditable));
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我想传递给I8类型的对象值"myValue".
如何才能做到这一点?
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