public static void SendAWave(IntPtr ptr)
{
try
{
FAMOSDataObject fdo = FAMOSDataObject.FromDLL_WavePointer(ptr);
String msgStr = "The DLL received the following:" + Environment.NewLine;
msgStr += String.Format(" Name: {0}", fdo.Name) + Environment.NewLine;
msgStr += String.Format(" xUnit: {0}", fdo.xUnit) + Environment.NewLine;
msgStr += String.Format(" yUnit: {0}", fdo.yUnit) + Environment.NewLine;
msgStr += String.Format(" dX: {0}", fdo.dX) + Environment.NewLine;
msgStr += String.Format(" X0: {0}", fdo.X0) + Environment.NewLine;
msgStr += String.Format(" Flags: {0}", fdo.Flags) + Environment.NewLine;
msgStr += String.Format(" Samples: {0}", fdo.Samples) + Environment.NewLine;
msgStr += String.Format(" Time: {0}", fdo.Time) + Environment.NewLine;
int numToShow = Math.Min(10, (int)fdo.Samples);
msgStr += String.Format(" Data (first {0}):", numToShow) + Environment.NewLine;
for (int i = 0; i < numToShow; i++)
{
msgStr += String.Format(" {0}", fdo.y[i]) + Environment.NewLine;
}
MessageBox.Show(msgStr);
}
catch (Exception ex)
{
MessageBox.Show("Houston..." + Environment.NewLine + ex.ToString());
}
}
public static IntPtr GetAWave(string fileName)
{
FAMOSDataObject tempFDO = new FAMOSDataObject();
tempFDO.Name = "Testing...";
tempFDO.xUnit = "Seconds";
tempFDO.yUnit = "Volts";
tempFDO.X0 = 0;
tempFDO.dX = 0.01F;
tempFDO.Flags = 0;
tempFDO.Time = 0;
tempFDO.Samples = 100;
tempFDO.y = new float[100];
for (int i = 0; i < 100; i++)
{
tempFDO.y[i] = i;
}
try
{
IntPtr result = tempFDO.ToDLL_WavePointer();
return(result);
}
catch (Exception ex)
{
MessageBox.Show("Houston..." + Environment.NewLine + ex.ToString());
return(default(IntPtr));
}
}
public static FAMOSDataObject FromDLL_WavePointer(IntPtr ptr)
{
DLL_Wave dllWave = (DLL_Wave)Marshal.PtrToStructure(ptr, typeof(DLL_Wave));
FAMOSDataObject result = new FAMOSDataObject();
result.xUnit = TrimNullTerminatedString(dllWave.xUnit);
result.yUnit = TrimNullTerminatedString(dllWave.yUnit);
result.Name = TrimNullTerminatedString(dllWave.Name);
result.dX = dllWave.dX;
result.X0 = dllWave.X0;
result.Flags = dllWave.Flags;
result.Samples = dllWave.Samples;
result.Time = dllWave.Time;
var newPtr = new IntPtr(ptr.ToInt32() + 56); // move to first
result.y = new Single[dllWave.Samples];
Marshal.Copy(newPtr, result.y, 0, result.y.Length);
return(result);
}
