c#c++sdk呼び出し時の構造体とbyte配列の相互回転
3454 ワード
///
/// byte
///
public static byte[] StructureToByte(T structure)
{
int size = Marshal.SizeOf(typeof(T));
byte[] buffer = new byte[size];
IntPtr bufferIntPtr = Marshal.AllocHGlobal(size);
try
{
Marshal.StructureToPtr(structure, bufferIntPtr, true);
Marshal.Copy(bufferIntPtr, buffer, 0, size);
}
finally
{
Marshal.FreeHGlobal(bufferIntPtr);
}
return buffer;
}
///
/// byte
///
public static T ByteToStructure(byte[] dataBuffer)
{
object structure = null;
int size = Marshal.SizeOf(typeof(T));
IntPtr allocIntPtr = Marshal.AllocHGlobal(size);
try
{
Marshal.Copy(dataBuffer, 0, allocIntPtr, size);
structure = Marshal.PtrToStructure(allocIntPtr, typeof(T));
}
finally
{
Marshal.FreeHGlobal(allocIntPtr);
}
return (T)structure;
} 転載する