/// <summary>
/// 获取XData值
/// </summary>
/// <param name="id"></param>
/// <param name="regAppName"></param>
/// <param name="key"></param>
/// <returns></returns>
public static string GetXData(this DBObject obj, string regAppName, string key)
{
Database db = obj.Database;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
try
{
TypedValueList XData = obj.GetXDataForApplication(regAppName);
if (XData != null)
{
TypedValue tvKey = XData.FirstOrDefault(item => item.Value.Equals(key)); //查找key
int indexKey = XData.IndexOf(tvKey); //Key索引
int indexValue = indexKey + 1; //Value索引
if (indexKey >= 0 && indexValue < XData.Count)
{
//键值对已存在,返回
object value = XData[indexValue].Value;
return(value == null ? null : value.ToString());
}
}
}
catch (Exception ex)
{
Logger.log("GetXData", ex.Message);
}
}
return(null);
}
public static string GetXData(this DBObject ent)
{
string json = string.Empty;
using (ResultBuffer rb = ent.GetXDataForApplication(CommandClass.AppName))
{
if (rb != null)
{
try
{
TypedValue[] vals = rb.AsArray();
if (vals.Length >= 4)
{
json = vals[3].Value.ToString();
}
}
catch (Autodesk.AutoCAD.Runtime.Exception ex)
{
Application.DocumentManager.MdiActiveDocument.Editor.
WriteMessage($"\nError: CommandClass - GetXData:{ex.Message}");
}
}
}
return(json);
}
/// <summary>
/// 删除指定注册应用程序下的扩展数据
/// </summary>
/// <param name="id">对象的Id</param>
/// <param name="regAppName">注册应用程序名</param>
public static void RemoveXData(this DBObject obj, string regAppName)
{
Database db = obj.Database;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
try
{
obj.UpgradeOpen();
TypedValueList XData = obj.GetXDataForApplication(regAppName);
if (XData != null)// 如果有扩展数据
{
TypedValueList newXData = new TypedValueList();
newXData.Add(DxfCode.ExtendedDataRegAppName, regAppName);
obj.XData = newXData; //为对象的XData属性重新赋值，从而删除扩展数据
}
obj.DowngradeOpen();
}
catch (Exception ex)
{
trans.Abort();
Logger.log("RemoveXData", ex.Message);
}
}
}
public static T GetXData <T>([NotNull] this DBObject dbo, string regAppName)
{
var rb = dbo.GetXDataForApplication(regAppName);
if (rb == null)
{
return(default);
// Token: 0x060000C7 RID: 199 RVA: 0x0000A1D0 File Offset: 0x000083D0
internal object a(DBObject A_0, int A_1)
{
if (A_0.XData == null)
{
return(null);
}
object result;
using (ResultBuffer xdataForApplication = A_0.GetXDataForApplication(this.XDAppName))
{
if (xdataForApplication == null)
{
result = null;
}
else if (xdataForApplication.AsArray().GetUpperBound(0) < A_1)
{
result = null;
}
else
{
result = xdataForApplication.AsArray()[A_1].Value;
}
}
return(result);
}
public static List <object> ReadXDataByAppName(DBObject dbObject, string appName)
{
var attribute = new List <object>();
try
{
var rb = dbObject.GetXDataForApplication(appName);
if (rb != null)
{
var rvArr = rb.AsArray();
if (rvArr.Length >= 2)
{
// XData of appliation name (1001)
if ((DxfCode)rvArr[0].TypeCode == DxfCode.ExtendedDataRegAppName &&
rvArr[0].Value.ToString().ToUpper().Trim() == appName.ToUpper())
{
for (var i = 1; i < rvArr.Length; i++)
{
var typedValue = rvArr[i];
attribute.Add(typedValue.Value);
}
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
return(attribute);
}
public static bool HasTag(this DBObject dbo, string tag)
{
var buffer = dbo.GetXDataForApplication(Consts.AppNameForTags);
return(buffer.AsArray().Any(typedValue => typedValue.TypeCode == (int)DxfCode.ExtendedDataAsciiString &&
typedValue.Value == tag));
}
public static void AddTag(this DBObject dbo, string tag)
{
var buffer = dbo.GetXDataForApplication(Consts.AppNameForTags);
buffer.Add(new TypedValue((int)DxfCode.ExtendedDataAsciiString, tag));
dbo.XData = buffer;
}
public static void RemoveTag(this DBObject dbo, string tag)
{
var buffer = dbo.GetXDataForApplication(Consts.AppNameForTags);
var data = buffer.AsArray().Where(typedValue => typedValue.TypeCode == (int)DxfCode.ExtendedDataAsciiString &&
typedValue.Value != tag).ToArray();
dbo.XData = new ResultBuffer(data);
}
/// <summary>
/// 获取对象的扩展数据
/// </summary>
/// <param name="id">对象的Id</param>
/// <param name="regAppName">注册应用程序名</param>
/// <returns>返回获得的扩展数据</returns>
public static TypedValueList GetXData(this ObjectId id, string regAppName)
{
TypedValueList values=new TypedValueList();
//打开对象
DBObject obj=id.GetObject(OpenMode.ForRead);
//获取对象中名为regAppName的扩展数据
values = obj.GetXDataForApplication(regAppName);
return values;//返回获得的扩展数据
}
public static void RemoveXData(DBObject dbo)
{
if (dbo.GetXDataForApplication(RegAppNAME) != null)
{
ResultBuffer rb = rb = new ResultBuffer(new TypedValue(1001, RegAppNAME));
dbo.UpgradeOpen();
dbo.XData = rb;
dbo.DowngradeOpen();
}
}
public static TypedValue?SetXData(this DBObject obj, string app, int idx, TypedValue newVal)
{
TypedValue[] valArr = obj.GetXDataForApplication(app)?.AsArray();
if (valArr != null && idx + 1 < valArr.Length)
{
TypedValue oldVal = valArr[idx + 1];
valArr[idx + 1] = newVal;
obj.XData = new ResultBuffer(valArr);
return(oldVal);
}
return(null);
}
// Token: 0x060000CB RID: 203 RVA: 0x0000A410 File Offset: 0x00008610
internal bool c(DBObject A_0)
{
if (A_0 == null)
{
return(false);
}
bool result;
using (ResultBuffer xdataForApplication = A_0.GetXDataForApplication(this.XDAppName))
{
result = (xdataForApplication != null);
}
return(result);
}
/// <summary>
/// 删除指定注册应用程序下的扩展数据
/// </summary>
/// <param name="id">对象的Id</param>
/// <param name="regAppName">注册应用程序名</param>
public static void RemoveXData(this ObjectId id, string regAppName)
{
// 以写的方式打开对象
DBObject obj=id.GetObject(OpenMode.ForWrite);
// 获取regAppName注册应用程序下的扩展数据列表
TypedValueList xdata=obj.GetXDataForApplication(regAppName);
if (xdata != null)// 如果有扩展数据
{
// 新建一个TypedValue列表，并只添加注册应用程序名扩展数据项
TypedValueList newValues=new TypedValueList();
newValues.Add(DxfCode.ExtendedDataRegAppName, regAppName);
obj.XData = newValues; //为对象的XData属性重新赋值，从而删除扩展数据
}
obj.DowngradeOpen();// 为了安全，切换对象为读的状态
}
// Token: 0x060000CA RID: 202 RVA: 0x0000A3A4 File Offset: 0x000085A4
internal void b(DBObject A_0, Transaction A_1)
{
ResultBuffer xdataForApplication = A_0.GetXDataForApplication(this.XDAppName);
if (xdataForApplication != null)
{
if (!A_0.IsWriteEnabled && !A_0.ObjectId.IsNull)
{
A_1.GetObject(A_0.ObjectId, 1, false, true);
}
this.a(A_0.Database, A_1);
A_0.XData = this.n();
xdataForApplication.Dispose();
}
}
public static ResultBuffer GetXDataForApplication(ObjectId id, string applicationName)
{
Document doc = AcadApp.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
using (doc.LockDocument())
{
using (Transaction tr = DatabaseUtil.GetTransaction(db))
{
DBObject ent = tr.GetObject(id, OpenMode.ForWrite);
return(ent.GetXDataForApplication(applicationName));
}
}
}
// Token: 0x060000C6 RID: 198 RVA: 0x0000A180 File Offset: 0x00008380
internal TypedValue[] b(DBObject A_0)
{
TypedValue[] result;
using (ResultBuffer xdataForApplication = A_0.GetXDataForApplication(this.XDAppName))
{
if (xdataForApplication != null)
{
result = xdataForApplication.AsArray();
}
else
{
result = new TypedValue[1];
}
}
return(result);
}
obj_Modified(object sender, EventArgs e)
{
DBObject dbObj = (DBObject)sender;
if (dbObj.IsErased)
{
return;
}
ResultBuffer rb = dbObj.GetXDataForApplication(null);
TypedValue[] tvs = rb.AsArray();
List <string> nameApps = null;
List <TypedValue[]> lstTVs = xData.parseXData(tvs, out nameApps);
foreach (TypedValue[] tvsRet in lstTVs)
{
string nameApp = tvsRet[0].Value.ToString();
string nameObj = tvsRet[1].Value.ToString();
switch (nameApp)
{
case "lnkBubs":
switch (nameObj)
{
case "TARGET":
break;
case "TX":
modTXlnkBubs(dbObj.ObjectId, tvsRet);
break;
case "SM":
break;
case "LDR":
modLDRlnkBubs(dbObj.ObjectId, tvsRet);
break;
}
break;
case "lnkBubsLdrEndPnt":
break;
}
}
}
/// <summary>
/// Удаление XData связанных с этим приложением
/// </summary>
/// <param name="dbo"></param>
/// <param name="regAppName"></param>
public static void RemoveXData([NotNull] this DBObject dbo, string regAppName)
{
if (dbo.GetXDataForApplication(regAppName) != null)
{
var rb = new ResultBuffer(new TypedValue(1001, regAppName));
var isWriteEnabled = dbo.IsWriteEnabled;
if (!isWriteEnabled)
{
using var dboWrite = dbo.Id.Open(OpenMode.ForWrite, false, true);
dboWrite.XData = rb;
}
else
{
dbo.XData = rb;
}
}
}
public static int GetXData([NotNull] this DBObject dbo, string regAppName)
{
var rb = dbo.GetXDataForApplication(regAppName);
if (rb != null)
{
foreach (var item in rb)
{
if (item.TypeCode == (short)DxfCode.ExtendedDataInteger32)
{
return((int)item.Value);
}
}
}
return(0);
}
public static string GetXData(DBObject obj, string regAppName)
{
using (ResultBuffer rb = obj.GetXDataForApplication(regAppName))
{
if (rb != null)
{
foreach (TypedValue tv in rb)
{
if (tv.TypeCode == (int)DxfCode.ExtendedDataAsciiString)
{
return(tv.Value.ToString());
}
}
}
}
return(string.Empty);
}
/// <summary>
/// 获取FXD数据
/// </summary>
/// <param name="dbo"></param>
/// <param name="appName"></param>
/// <returns></returns>
public static object GetFirstXDataT(this DBObject dbo, string appName)
{
ResultBuffer xdataForApp = dbo.GetXDataForApplication(appName);
if (xdataForApp == null)
{
return(null);
}
foreach (var value in xdataForApp.AsArray())
{
if (value.TypeCode != 1001)
{
return(value.Value);
}
}
return(null);
}
public static object GetFirstXDataT(this DBObject dbo, string appName)
{
var xdataForApp = dbo.GetXDataForApplication(appName);
if (xdataForApp == null)
{
return(null);
}
foreach (var value in xdataForApp.AsArray())
{
if (value.TypeCode != (int)DxfCode.ExtendedDataRegAppName)
{
return(value.Value);
}
}
return(null);
}
// Token: 0x060000C0 RID: 192 RVA: 0x00009F2C File Offset: 0x0000812C
internal bool a(DBObject A_0)
{
this.Clear();
if (A_0 == null)
{
return(false);
}
using (ResultBuffer xdataForApplication = A_0.GetXDataForApplication(this.XDAppName))
{
if (xdataForApplication == null)
{
return(false);
}
this.Buffer = xdataForApplication;
}
return(true);
}
// Token: 0x060000C8 RID: 200 RVA: 0x0000A24C File Offset: 0x0000844C
internal bool a(DBObject A_0, int A_1, object A_2, Transaction A_3)
{
if (A_0.XData == null)
{
return(false);
}
bool result;
using (ResultBuffer xdataForApplication = A_0.GetXDataForApplication(this.XDAppName))
{
if (xdataForApplication == null)
{
result = false;
}
else
{
TypedValue[] array = xdataForApplication.AsArray();
if (array.GetUpperBound(0) < A_1)
{
result = false;
}
else
{
if (A_2 is int)
{
array[A_1] = new TypedValue(1071, A_2);
}
else
{
array[A_1] = new TypedValue(1000, A_2.ToString());
}
if (!A_0.IsWriteEnabled && !A_0.ObjectId.IsNull)
{
A_3.GetObject(A_0.ObjectId, 1, false, true);
}
this.a(A_0.Database, A_3);
A_0.XData = new ResultBuffer(array);
result = true;
}
}
}
return(result);
}
/// <summary>
/// Returns true, if the source object has an entry with the given key in the extension dictionary.
/// </summary>
/// <param name="source">The source object to check.</param>
/// <param name="key">If parameter <paramref name="useXData"/> is true, this string is the name of the RegApp to read the data from. If parameter <paramref name="useXData"/> is false, this string acts as the key in the extension dictionary.</param>
/// <param name="useXData">True, if data should be read from the source object's XData. False, if data should be read from the source object's extension dictionary.</param>
/// <exception cref="System.Exception">Thrown when an AutoCAD error occurs.</exception>
/// <returns>True, if the extension dictionary contains an entry with the given key.</returns>
public static bool HasData(this DBObject source, string key, bool useXData)
{
if (useXData)
{
var resultBuffer = source.GetXDataForApplication(key);
if (resultBuffer != null)
{
resultBuffer.Dispose();
return(true);
}
else
{
return(false);
}
}
else
{
try
{
if (source.ExtensionDictionary.IsNull)
{
return(false);
}
else
{
var hasData = false;
Helpers.WrapInTransaction(source, tr =>
{
var dict = (DBDictionary)tr.GetObject(source.ExtensionDictionary, OpenMode.ForRead);
hasData = dict.Contains(key);
});
return(hasData);
}
}
catch (Exception e)
{
throw Error.AutoCadException(e);
}
}
}
/// <summary>
/// 修改扩展数据
/// </summary>
/// <param name="id">对象的Id</param>
/// <param name="regAppName">注册应用程序名</param>
/// <param name="code">扩展数据的类型</param>
/// <param name="oldValue">原来的扩展数据值</param>
/// <param name="newValue">新的扩展数据值</param>
public static void ModXData(this ObjectId id, string regAppName, DxfCode code, object oldValue, object newValue)
{
// 以写的方式打开对象
DBObject obj=id.GetObject(OpenMode.ForWrite);
// 获取regAppName注册应用程序下的扩展数据列表
TypedValueList xdata=obj.GetXDataForApplication(regAppName);
for (int i = 0; i < xdata.Count; i++)// 遍历扩展数据列表
{
TypedValue tv=xdata[i]; //扩展数据
//判断扩展数据的类型和值是否满足条件
if (tv.TypeCode == (short)code && tv.Value.Equals(oldValue))
{
// 设置新的扩展数据值
xdata[i] = new TypedValue(tv.TypeCode, newValue);
break; //要修改的数据已找到，跳出循环
}
}
obj.XData = xdata; // 覆盖原来的扩展数据，达到修改的目的
obj.DowngradeOpen();// 为了安全，切换对象为读的状态
}
/// <summary>
/// 新增或更新XData键值对
/// </summary>
/// <param name="id"></param>
/// <param name="regAppName"></param>
/// <param name="key"></param>
/// <param name="value"></param>
public static void SetXData(this DBObject obj, string regAppName, string key, string value)
{
Database db = obj.Database;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
try
{
obj.UpgradeOpen();
TypedValueList XData = obj.GetXDataForApplication(regAppName);
if (XData == null)
{
XData = new TypedValueList();
XData.Add(DxfCode.ExtendedDataRegAppName, regAppName);
}
TypedValue tvKey = XData.FirstOrDefault(item => item.Value.Equals(key)); //查找key
int indexKey = XData.IndexOf(tvKey); //Key索引
int indexValue = indexKey + 1; //Value索引
if (indexKey >= 0 && indexValue < XData.Count)
{
//键值对已存在，更新
TypedValue tvValue = XData[indexValue];
XData[indexValue] = new TypedValue(tvValue.TypeCode, value);
}
else
{
//键值对不存在，新增
XData.Add(new TypedValue((int)DxfCode.ExtendedDataAsciiString, key));
XData.Add(new TypedValue((int)DxfCode.ExtendedDataAsciiString, value));
}
obj.XData = XData; // 覆盖原来的扩展数据，达到修改的目的
obj.DowngradeOpen();
trans.Commit();
}
catch (Exception ex)
{
trans.Abort();
Logger.log("SetXData", ex.Message);
}
}
}
/// <summary>
/// Returns true, if the source object has an entry with the given key in the extension dictionary.
/// </summary>
/// <param name="source">The source object to check.</param>
/// <param name="key">If parameter <paramref name="useXData"/> is true, this string is the name of the RegApp to read the data from. If parameter <paramref name="useXData"/> is false, this string acts as the key in the extension dictionary.</param>
/// <param name="useXData">True, if data should be read from the source object's XData. False, if data should be read from the source object's extension dictionary.</param>
/// <exception cref="System.Exception">Thrown when an AutoCAD error occurs.</exception>
/// <returns>True, if the extension dictionary contains an entry with the given key.</returns>
public static bool HasData(this DBObject source, string key, bool useXData)
{
Require.ParameterNotNull(source, nameof(source));
Require.StringNotEmpty(key, nameof(key));
if (useXData)
{
var resultBuffer = source.GetXDataForApplication(key);
if (resultBuffer != null)
{
resultBuffer.Dispose();
return(true);
}
else
{
return(false);
}
}
else
{
if (source.ExtensionDictionary.IsNull)
{
return(false);
}
else
{
var hasData = false;
Helpers.WrapInTransaction(source, tr =>
{
var dict = (DBDictionary)tr.GetObject(source.ExtensionDictionary, OpenMode.ForRead);
hasData = dict.Contains(key);
});
return(hasData);
}
}
}
public static T GetXData <T>([NotNull] this DBObject dbo, string regAppName)
{
var rb = dbo.GetXDataForApplication(regAppName);
if (rb != null)
{
var dxfT = dictXDataTypedValues[typeof(T)];
var rbEnumerator = rb.GetEnumerator();
while (rbEnumerator.MoveNext())
{
if (rbEnumerator.Current.TypeCode == dxfT)
{
if (rbEnumerator.Current.TypeCode == (short)DxfCode.ExtendedDataAsciiString)
{
return((T)(object)GetStringValue(rbEnumerator, true));
}
return((T)rbEnumerator.Current.Value);
}
}
}
return(default);
public static void RemoveXData(DBObject dbo)
{
if (dbo.GetXDataForApplication(RegAppNAME) != null)
{
ResultBuffer rb = rb = new ResultBuffer(new TypedValue(1001, RegAppNAME));
dbo.UpgradeOpen();
dbo.XData = rb;
dbo.DowngradeOpen();
}
}
