C#

<br />
#ifndef _MATLAB_GENERIC_DLL_H_<br />
#define _MATLAB_GENERIC_DLL_H_<br />
<br />
<br />
#ifdef MATLABGENERICDLL_EXPORTS<br />
#define MATLABGENERICDLL_API __declspec(dllexport)<br />
#else<br />
#define MATLABGENERICDLL_API __declspec(dllimport)<br />
#endif<br />
<br />
// This class is exported from the MatlabGenericDll.dll<br />
<br />
extern "C"<br />
{<br />
<br />
MATLABGENERICDLL_API void FormatDrive();<br />
MATLABGENERICDLL_API void CopyFiles(char* Src, char* Tgt);<br />
MATLABGENERICDLL_API void ToUpper(char* Src);<br />
MATLABGENERICDLL_API char* ToUpper2(char* Src);<br />
MATLABGENERICDLL_API double* GetSomeDoubleArray(char* Src);<br />
}<br />
#endif //_MATLAB_GENERIC_DLL_H_<br />

<br />
MATLABGENERICDLL_API double* GetSomeDoubleArray(char* Src)<br />
{<br />
    double SomeArray[10];<br />
		<br />
		for(int i=0; i<10; i++)<br />
		{<br />
			if(i>0) {<br />
				SomeArray[i] = 1.1 * SomeArray[i-1];<br />
			} else {<br />
				SomeArray[i] = 0.5;<br />
			}<br />
		}<br />
		return SomeArray;<br />
}<br />

<br />
class Program<br />
	{<br />
		[DllImport(@"C:\MatlabGenericDll.dll")]<br />
		private static extern string ToUpper2(string Src);<br />
<br />
		[DllImport(@"C:\MatlabGenericDll.dll")]<br />
		private static extern double[] GetSomeDoubleArray(string Src);<br />
<br />
		static void Main(string[] args)<br />
		{<br />
			string strTest = "abc";<br />
			string strResult = null;<br />
<br />
			double[] SomeArray= null;<br />
<br />
			try<br />
			{<br />
				strResult = ToUpper2(strTest); // okay<br />
				SomeArray= SomeArray("abcde"); // System.Runtime.InteropServices.MarshalDirectiveException!! <br />
			}<br />
			catch (Exception ex)<br />
			{<br />
				Console.WriteLine(ex.ToString());<br />
			}<br />
<br />
			return;<br />
		}<br />
	}<br />

string text = "मैं हिन्दी नहीं बोल सकता हूँ।";
Font font = new Font("Tahoma", 20.0f, FontStyle.Regular);
SizeF layoutArea = new SizeF(1000, 1000);
StringFormat stringFormat = new StringFormat();
SizeF measure = g.MeasureString(text, font, layoutArea, stringFormat);
g.DrawRectangle(Pens.Red, new Rectangle(50, 50, (int)measure.Width, (int)measure.Height));
g.DrawString(text, font, Brushes.Black, 50, 50);