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Class1.cs
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Upload Date: 2022-07-21
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Code Size: 1k
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CSharp

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Class1.cs：Code Content
  1. using System;
  2. using System.Runtime.InteropServices;
  4. namespace Wrox.ProCSharp.COMInterop.Server
  5. {
  6. [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
  7. public interface IMathEvents
  8. {
  9. [DispId(46200)] void CalculationCompleted();
  10. }
  12. [InterfaceType(ComInterfaceType.InterfaceIsDual)]
  13. public interface IWelcome
  14. {
  15. [DispId(60040)] string Greeting(string name);
  16. }
  18. [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  19. public interface IMath
  20. {
  21. int Add(int val1, int val2);
  22. int Sub(int val1, int val2);
  23. }
  25. [ComVisible(false)]
  26. public delegate void CalculationCompletedDelegate();
  28. [ClassInterface(ClassInterfaceType.None)]
  29. [ProgId("Wrox.DotnetComponent")]
  30. [Guid("77839717-40DD-4876-8297-35B98A8402C7")]
  31. [ComSourceInterfaces(typeof(IMathEvents))]
  32. public class DotnetComponent : IWelcome, IMath
  33. {
  34. public DotnetComponent()
  35. {
  37. }
  39. public event CalculationCompletedDelegate CalculationCompleted;
  42. #region IWelcome Members
  44. public string Greeting(string name)
  45. {
  46. return "Hello " + name;
  47. }
  49. #endregion
  51. #region IMath Members
  53. public int Add(int val1, int val2)
  54. {
  55. int result = val1 + val2;
  56. if (CalculationCompleted != null)
  57. CalculationCompleted();
  58. return result;
  59. }
  61. public int Sub(int val1, int val2)
  62. {
  63. int result = val1 - val2;
  64. if (CalculationCompleted != null)
  65. CalculationCompleted();
  66. return result;
  67. }
  69. #endregion
  70. }
  71. }