Сообщество программистов Autodesk в СНГ :: Установка и очистка признака модификации документа в .NET

Сообщество программистов Autodesk в СНГ
AutoCAD .NET API
Установка и очистка признака модификации документа в .NET

28/10/2015

Установка и очистка признака модификации документа в .NET

Для установки и очистки признака модифицированности документа можно воспользоваться недокументированной функцией acdbSetDbMod, которая экспортируется из acdbNN.dll, где NN зависит от версии AutoCAD. Пример использования этой функции:

Код - C#: [Выделить]

using System;
using System.Runtime.InteropServices;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
[assembly: CommandClass(typeof(Rivilis.SetDbMod))]
namespace Rivilis
{
  public class SetDbMod
  {
    #region acdbSetDbmod
    [DllImport("acdb17.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod17x86(IntPtr db, Int32 newDbMod);
    [DllImport("acdb17.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPEAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod17x64(IntPtr db, Int32 newDbMod);
    [DllImport("acdb18.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod18x86(IntPtr db, Int32 newDbMod);
    [DllImport("acdb18.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPEAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod18x64(IntPtr db, Int32 newDbMod);
    [DllImport("acdb19.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod19x86(IntPtr db, Int32 newDbMod);
    [DllImport("acdb19.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPEAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod19x64(IntPtr db, Int32 newDbMod);
    [DllImport("acdb20.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod20x86(IntPtr db, Int32 newDbMod);
    [DllImport("acdb20.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPEAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod20x64(IntPtr db, Int32 newDbMod);
    [DllImport("acdb21.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod21x86(IntPtr db, Int32 newDbMod);
    [DllImport("acdb21.dll", CallingConvention = CallingConvention.Cdecl, EntryPoint = "?acdbSetDbmod@@YAJPEAVAcDbDatabase@@J@Z")]
    private static extern Int32 acdbSetDbmod21x64(IntPtr db, Int32 newDbMod);
 
    public static Int32 acdbSetDbmod(ref Database db, Int32 newDbMod)
    {
      if (IntPtr.Size == 4)
      switch (Autodesk.AutoCAD.ApplicationServices.Application.Version.Major) {
        case 17: return acdbSetDbmod17x86(db.UnmanagedObject, newDbMod);
        case 18: return acdbSetDbmod18x86(db.UnmanagedObject, newDbMod);
        case 19: return acdbSetDbmod19x86(db.UnmanagedObject, newDbMod);
        case 20: return acdbSetDbmod20x86(db.UnmanagedObject, newDbMod);
        case 21: return acdbSetDbmod21x86(db.UnmanagedObject, newDbMod);
        default: return (Int32)ErrorStatus.NotImplementedYet;
      }
      else
        switch (Autodesk.AutoCAD.ApplicationServices.Application.Version.Major) {
          case 17: return acdbSetDbmod17x64(db.UnmanagedObject, newDbMod);
          case 18: return acdbSetDbmod18x64(db.UnmanagedObject, newDbMod);
          case 19: return acdbSetDbmod19x64(db.UnmanagedObject, newDbMod);
          case 20: return acdbSetDbmod20x64(db.UnmanagedObject, newDbMod);
          case 21: return acdbSetDbmod21x64(db.UnmanagedObject, newDbMod);
          default: return (Int32)ErrorStatus.NotImplementedYet;
        }
    }
    #endregion
    //---------------------------------------------
    // Установка DBMOD для активного документа
    //---------------------------------------------
    [CommandMethod("SetCurDbMod")]
    static public void SetCurDbMod()
    {
      Database db = Application.DocumentManager.MdiActiveDocument.Database;
      acdbSetDbmod(ref db, 1);
    }
 
    //---------------------------------------------
    // Очистка DBMOD для активного документа
    //---------------------------------------------
    [CommandMethod("ClearCurDbMod")]
    static public void ClearCurDbMod()
    {
      Database db = Application.DocumentManager.MdiActiveDocument.Database;
      acdbSetDbmod(ref db, 0);
    }
    //---------------------------------------------
    // Очистка DBMOD для всех открытых документов
    //---------------------------------------------
    [CommandMethod("ClearAllDbMod")]
    static public void ClearAllDbMod()
    {
      foreach (Document doc in Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager) {
        Database db = doc.Database;
        acdbSetDbmod(ref db, 0);
      }
    }
  };
}