/// <summary>
/// Loads the package XML from the underlying workspace.
/// </summary>
/// <returns>
/// Returns a <see cref="string" /> representing the design XML; otherwise <c>null</c>
/// </returns>
/// <exception cref="NullReferenceException">The process framework workspace is null.</exception>
public string GetDesignXml()
{
IWorkspace workspace = ((IMMPxApplicationEx2)base.PxApplication).Workspace;
if (workspace == null)
{
throw new NullReferenceException("The process framework workspace is null.");
}
string name = this.ID.ToString(CultureInfo.InvariantCulture);
IMMPackageName packageName = new MMPackageNameClass();
packageName.Category = mmPackageCategory.mmPCDesignXML;
packageName.Type = mmPackageType.mmPTHidden;
packageName.Name = name;
IMMPackageByWS packageByWs = new MMPackageManagerClass();
IMMPackage package = packageByWs.GetPackageByWS(packageName, workspace, name);
if (package != null)
{
IStream stream = new XMLStreamClass();
package.Contents.SaveToStream(stream);
string xml = ((IXMLStream)stream).SaveToString();
return(xml);
}
return(null);
}
private void btnSaveAs_Click(object sender, EventArgs e)
{
SaveFileDialog dialog = new SaveFileDialog
{
Filter = "空间参考文件 (*.prj)|*.prj",
OverwritePrompt = true
};
if (dialog.ShowDialog() == DialogResult.OK)
{
string fileName = dialog.FileName;
ESRI.ArcGIS.esriSystem.IPersistStream stream =
(ESRI.ArcGIS.esriSystem.IPersistStream) this.ispatialReference_0;
IXMLStream stream2 = new XMLStreamClass();
stream.Save((ESRI.ArcGIS.esriSystem.IStream)stream2, 1);
stream2.SaveToFile(fileName);
string str2 = stream2.SaveToString();
int index = str2.IndexOf("[");
str2 = str2.Substring(index - 6);
index = str2.LastIndexOf("]");
str2 = str2.Substring(0, index + 1);
if (File.Exists(fileName))
{
File.Delete(fileName);
}
using (System.IO.FileStream stream3 = File.Create(fileName))
{
this.method_2(stream3, str2);
}
}
}
public static void SaveRendererToByte(ref byte[] _RendererValue, ref string _RendererType, IRendererUI pRendererUI)
{
if (pRendererUI == null)
{
_RendererValue = null;
_RendererType = enumRendererType.SimpleRenderer.ToString();
return;
}
_RendererType = pRendererUI.RendererType.ToString();
try
{
IPersistStream pPersistStream = pRendererUI.Renderer as IPersistStream;
IStream pStream = new XMLStreamClass();
pPersistStream.Save(pStream, 0);
IXMLStream pXMLStream = pStream as IXMLStream;
_RendererValue = pXMLStream.SaveToBytes();
}
catch (Exception ex)
{
_RendererValue = null;
_RendererType = enumRendererType.SimpleRenderer.ToString();
}
}
public static void LoadLayerFromStream(ILayer paramLayer, byte[] paramLayerContent)
{
if (((paramLayer != null) && (paramLayerContent != null)) && (paramLayerContent.Length != 0))
{
IPersistStream stream = paramLayer as IPersistStream;
XMLStreamClass class2 = new XMLStreamClass();
class2.LoadFromBytes(ref paramLayerContent);
stream.Load(class2);
}
}
unsafe public static object Load(System.Runtime.InteropServices.ComTypes.IStream stream)
{
// Exit if Stream is NULL
if (stream == null) { return null; }
// Get Pointer to Int32
int cb;
int* pcb = &cb;
// Get Size of the object's Byte Array
byte[] arrLen = new Byte[4];
stream.Read(arrLen, arrLen.Length, new IntPtr(pcb));
cb = BitConverter.ToInt32(arrLen, 0);
// Read the object's Byte Array
byte[] bytes = new byte[cb];
stream.Read(bytes, cb, new IntPtr(pcb));
if (bytes.Length != cb)
throw new Exception("Error reading object from stream");
// Deserialize byte array
AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(PeristStreamHelper.ResolveEventHandler);
object data = null;
MemoryStream memoryStream = new MemoryStream(bytes);
BinaryFormatter binaryFormatter = new BinaryFormatter();
object objectDeserialize = binaryFormatter.Deserialize(memoryStream);
if (objectDeserialize != null)
{
data = objectDeserialize;
}
memoryStream.Close();
AppDomain.CurrentDomain.AssemblyResolve -= new ResolveEventHandler(PeristStreamHelper.ResolveEventHandler);
//deserialize ArcObjects
if (data is string)
{
string str = (string)data;
if (str.IndexOf("http://www.esri.com/schemas/ArcGIS/9.2") != -1)
{
IXMLStream readerStream = new XMLStreamClass();
readerStream.LoadFromString(str);
IXMLReader xmlReader = new XMLReaderClass();
xmlReader.ReadFrom((IStream)readerStream);
IXMLSerializer xmlReadSerializer = new XMLSerializerClass();
object retObj = xmlReadSerializer.ReadObject(xmlReader, null, null);
if (null != retObj)
data = retObj;
}
}
return data;
}
public static byte[] SaveLayerToStream(ILayer paramLayer)
{
byte[] buffer = null;
if (paramLayer is IPersistStream)
{
IPersistStream stream = paramLayer as IPersistStream;
XMLStreamClass class2 = new XMLStreamClass();
stream.Save(class2, 0);
buffer = class2.SaveToBytes();
}
return(buffer);
}
/// <summary>
/// Serializes an object using ArcObjects xml serialization into a BSON Element
/// Used by the CatalogDataset to store metadata
/// </summary>
/// <param name="ipItem">The object to serialize</param>
/// <returns>The BSON element containing the bytes</returns>
internal static BsonValue ObjectToBson(System.Object ipItem)
{
IXMLStream ipXmlStream = new XMLStreamClass();
IXMLWriter ipXmlWriter = new XMLWriterClass();
ipXmlWriter.WriteTo((IStream)ipXmlStream);
IXMLSerializer ipXmlSer = new XMLSerializerClass();
ipXmlSer.WriteObject(ipXmlWriter, null, null, "Test", "Test", ipItem);
byte[] bytes = ipXmlStream.SaveToBytes();
return(BsonValue.Create(bytes));
}
public static IGeometry ReadGeometryFromXml(string filePath)
{
IXMLSerializer serializer = new XMLSerializerClass();
IXMLReader reader = new XMLReaderClass();
IXMLStream stream = new XMLStreamClass();
stream.LoadFromFile(filePath);
reader.ReadFrom((IStream)stream);
return((IGeometry)serializer.ReadObject(reader, null, null));
}
private static object ReadGeometryFromXML(string filePath)
{
IXMLSerializer serializer = new XMLSerializerClass();
IXMLReader reader = new XMLReaderClass();
IXMLStream stream = new XMLStreamClass();
stream.LoadFromFile(filePath);
reader.ReadFrom((IStream)stream);
return(serializer.ReadObject(reader, null, null));
}
private void method_5()
{
ESRI.ArcGIS.esriSystem.IPersistStream stream =
(ESRI.ArcGIS.esriSystem.IPersistStream) this.ispatialReference_0;
IXMLStream stream2 = new XMLStreamClass();
stream.Save((ESRI.ArcGIS.esriSystem.IStream)stream2, 1);
string str = stream2.SaveToString();
int index = str.IndexOf("[");
str = str.Substring(index - 6);
index = str.LastIndexOf("]");
str = str.Substring(0, index + 1);
}
/// <summary>
/// Gets an object serialized using ArcObjects xml serialization from a BSON Element
/// Used by the CatalogDataset to extract metadata
/// </summary>
/// <param name="byteStuff">The BSON element containing the bytes</param>
/// <returns>The object deserialized</returns>
internal static System.Object BsonToObject(BsonElement byteStuff)
{
try
{
byte[] bytes = byteStuff.Value.AsByteArray;
IXMLStream ipXmlStream = new XMLStreamClass();
ipXmlStream.LoadFromBytes(ref bytes);
IXMLReader ipXmlReader = new XMLReaderClass();
ipXmlReader.ReadFrom((IStream)ipXmlStream);
IXMLSerializer ipXmlSer = new XMLSerializerClass();
return(ipXmlSer.ReadObject(ipXmlReader, null, null));
}
catch (Exception)
{
throw new COMException("Value expected as byte array isn't");
}
}
public static ILayer Clone(this ILayer layer)
{
if (layer is IPersistStream)
{
IObjectCopy objectCopy = new ObjectCopyClass();
object clone = objectCopy.Copy(layer);
ILayer layerClone = clone as ILayer;
return(layerClone);
}
if (layer is IPersistVariant)
{
// Create an XML Stream
IXMLStream xmlStream = new XMLStreamClass();
IVariantStreamIO variantStreamIO = new VariantStreamIOClass()
{
Stream = (IStream)xmlStream
};
// Save Layer to Stream
IVariantStream variantStream = (IVariantStream)variantStreamIO;
IPersistVariant save = (IPersistVariant)layer;
save.Save(variantStream);
// Move Seek Pointer to beginning of Stream
xmlStream.Reset();
// Create New Layer
ILayer newlayer = null;
if (layer is IImageServerLayer)
{
newlayer = new ImageServerLayerClass();
}
if (newlayer == null)
{
return(null);
}
// Create new Layer
IPersistVariant load = (IPersistVariant)newlayer;
load.Load(variantStream);
// Return Cloned Layer
return(newlayer);
}
return(null);
}
private void WriteMapToDB(IMap pMap, Dictionary <string, object> pDic, string strCondition)
{
//linyand add set map SpatialReference
//pMap.SpatialReference = LoadProjectedCoordinateSystem();
IPersistStream pPersistStream = pMap as IPersistStream;
IStream pStream = new XMLStreamClass();
pPersistStream.Save(pStream, 0);
IXMLStream pXMLStream = pStream as IXMLStream;
byte[] RenderByte = pXMLStream.SaveToBytes();
IMemoryBlobStream pMemoryBlobStream = new MemoryBlobStreamClass();
pMemoryBlobStream.ImportFromMemory(ref RenderByte[0], (uint)RenderByte.GetLength(0));
pDic.Add(SysCommon.ModSysSetting._MxdListTable_MapField, pMemoryBlobStream);
//采用更新blob字段的方法
SysGisTable sysTable = new SysGisTable(Plugin.ModuleCommon.TmpWorkSpace);
Exception eError = null;
object objValue = sysTable.GetFieldValue(SysCommon.ModSysSetting._MxdListTable, SysCommon.ModSysSetting._MxdListTable_MapField, strCondition, out eError);
bool flag = false;
if (objValue == null)
{
flag = sysTable.NewRow(SysCommon.ModSysSetting._MxdListTable, pDic, out eError);
}
else
{
flag = sysTable.UpdateRow(SysCommon.ModSysSetting._MxdListTable, strCondition, pDic, out eError);
}
sysTable = null;
if (flag)
{
MessageBox.Show("保存显示方案成功！", "提示");
}
else
{
MessageBox.Show("保存显示方案失败", "提示");
}
}
public static ILayer Clone(this ILayer layer)
{
if (layer is IPersistStream) {
IObjectCopy objectCopy = new ObjectCopyClass();
object clone = objectCopy.Copy(layer);
ILayer layerClone = clone as ILayer;
return layerClone;
}
if (layer is IPersistVariant) {
// Create an XML Stream
IXMLStream xmlStream = new XMLStreamClass();
IVariantStreamIO variantStreamIO = new VariantStreamIOClass() {
Stream = (IStream)xmlStream
};
// Save Layer to Stream
IVariantStream variantStream = (IVariantStream)variantStreamIO;
IPersistVariant save = (IPersistVariant)layer;
save.Save(variantStream);
// Move Seek Pointer to beginning of Stream
xmlStream.Reset();
// Create New Layer
ILayer newlayer = null;
if (layer is IImageServerLayer) {
newlayer = new ImageServerLayerClass();
}
if (newlayer == null) { return null; }
// Create new Layer
IPersistVariant load = (IPersistVariant)newlayer;
load.Load(variantStream);
// Return Cloned Layer
return newlayer;
}
return null;
}
public static byte[] SaveLayerToStream(ILayer paramLayer)
{
byte[] buffer = null;
if (paramLayer is IPersistStream)
{
IPersistStream stream = paramLayer as IPersistStream;
XMLStreamClass class2 = new XMLStreamClass();
stream.Save(class2, 0);
buffer = class2.SaveToBytes();
}
return buffer;
}
public static void LoadLayerFromStream(ILayer paramLayer, byte[] paramLayerContent)
{
if (((paramLayer != null) && (paramLayerContent != null)) && (paramLayerContent.Length != 0))
{
IPersistStream stream = paramLayer as IPersistStream;
XMLStreamClass class2 = new XMLStreamClass();
class2.LoadFromBytes(ref paramLayerContent);
stream.Load(class2);
}
}
unsafe public static void Save(System.Runtime.InteropServices.ComTypes.IStream stream, object data)
{
// Exit if Stream or DataTable is NULL
if (stream == null)
{
return;
}
if (data == null)
{
return;
}
//COM objects needs special care...
if (Marshal.IsComObject(data))
{
//*** Create XmlWriter ***
IXMLWriter xmlWriter = new XMLWriterClass();
//*** Create XmlStream ***
IXMLStream xmlStream = new XMLStreamClass();
//*** Write the object to the stream ***
xmlWriter.WriteTo(xmlStream as IStream);
//*** Serialize object ***
IXMLSerializer xmlSerializer = new XMLSerializerClass();
xmlSerializer.WriteObject(xmlWriter, null, null, "arcobject", "http://www.esri.com/schemas/ArcGIS/9.2", data);
string str = xmlStream.SaveToString();
data = (object)str;
if (null == data)
{
return;
}
}
//make sure that the object is serializable
if (!data.GetType().IsSerializable)
{
throw new Exception("Object is not serializable.");
}
// Convert the string into a byte array
MemoryStream memoryStream = new MemoryStream();
BinaryFormatter binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(memoryStream, data);
byte[] bytes = memoryStream.ToArray();
memoryStream.Close();
// Get Memory Pointer to Int32
int cb;
int *pcb = &cb;
// write the object to the structured stream
byte[] arrLen = BitConverter.GetBytes(bytes.Length); // Get Byte Length
stream.Write(arrLen, arrLen.Length, new IntPtr(pcb)); // Write Byte Length
stream.Write(bytes, bytes.Length, new IntPtr(pcb)); // Write Btye Array
if (bytes.Length != cb)
{
throw new Exception("Error writing object to stream");
}
}
unsafe public static object Load(System.Runtime.InteropServices.ComTypes.IStream stream)
{
// Exit if Stream is NULL
if (stream == null)
{
return(null);
}
// Get Pointer to Int32
int cb;
int *pcb = &cb;
// Get Size of the object's Byte Array
byte[] arrLen = new Byte[4];
stream.Read(arrLen, arrLen.Length, new IntPtr(pcb));
cb = BitConverter.ToInt32(arrLen, 0);
// Read the object's Byte Array
byte[] bytes = new byte[cb];
stream.Read(bytes, cb, new IntPtr(pcb));
if (bytes.Length != cb)
{
throw new Exception("Error reading object from stream");
}
// Deserialize byte array
AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(PeristStreamHelper.ResolveEventHandler);
object data = null;
MemoryStream memoryStream = new MemoryStream(bytes);
BinaryFormatter binaryFormatter = new BinaryFormatter();
object objectDeserialize = binaryFormatter.Deserialize(memoryStream);
if (objectDeserialize != null)
{
data = objectDeserialize;
}
memoryStream.Close();
AppDomain.CurrentDomain.AssemblyResolve -= new ResolveEventHandler(PeristStreamHelper.ResolveEventHandler);
//deserialize ArcObjects
if (data is string)
{
string str = (string)data;
if (str.IndexOf("http://www.esri.com/schemas/ArcGIS/9.2") != -1)
{
IXMLStream readerStream = new XMLStreamClass();
readerStream.LoadFromString(str);
IXMLReader xmlReader = new XMLReaderClass();
xmlReader.ReadFrom((IStream)readerStream);
IXMLSerializer xmlReadSerializer = new XMLSerializerClass();
object retObj = xmlReadSerializer.ReadObject(xmlReader, null, null);
if (null != retObj)
{
data = retObj;
}
}
}
return(data);
}
unsafe public static void Save(System.Runtime.InteropServices.ComTypes.IStream stream, object data)
{
// Exit if Stream or DataTable is NULL
if (stream == null) { return; }
if (data == null) { return; }
//COM objects needs special care...
if (Marshal.IsComObject(data))
{
//*** Create XmlWriter ***
IXMLWriter xmlWriter = new XMLWriterClass();
//*** Create XmlStream ***
IXMLStream xmlStream = new XMLStreamClass();
//*** Write the object to the stream ***
xmlWriter.WriteTo(xmlStream as IStream);
//*** Serialize object ***
IXMLSerializer xmlSerializer = new XMLSerializerClass();
xmlSerializer.WriteObject(xmlWriter, null, null, "arcobject", "http://www.esri.com/schemas/ArcGIS/9.2", data);
string str = xmlStream.SaveToString();
data = (object)str;
if (null == data)
return;
}
//make sure that the object is serializable
if (!data.GetType().IsSerializable)
throw new Exception("Object is not serializable.");
// Convert the string into a byte array
MemoryStream memoryStream = new MemoryStream();
BinaryFormatter binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(memoryStream, data);
byte[] bytes = memoryStream.ToArray();
memoryStream.Close();
// Get Memory Pointer to Int32
int cb;
int* pcb = &cb;
// write the object to the structured stream
byte[] arrLen = BitConverter.GetBytes(bytes.Length); // Get Byte Length
stream.Write(arrLen, arrLen.Length, new IntPtr(pcb)); // Write Byte Length
stream.Write(bytes, bytes.Length, new IntPtr(pcb)); // Write Btye Array
if (bytes.Length != cb)
throw new Exception("Error writing object to stream");
}
