public void Style(string name, List <ComboBoxSym> cmblist)
{
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleStorage;
IEnumStyleGalleryItem enumStyleGalleryItem;
IStyleGalleryItem styleItem;
pStyleStorage = pStyleGallery as IStyleGalleryStorage;
//默认地址,也可以自己定义
string stylePath = Application.StartupPath + "\\ESRI.ServerStyle";
pStyleStorage.AddFile(stylePath);
switch (name)
{
case "Color Ramps":
IStyleGalleryClass pStyleGalleryClass = new ColorRampStyleGalleryClassClass();
enumStyleGalleryItem = pStyleGallery.get_Items("Color Ramps", "ESRI.ServerStyle", "");
enumStyleGalleryItem.Reset();
styleItem = enumStyleGalleryItem.Next();
for (int i = 1; i < 55; i++)
//while(styleItem!=null)
{
pListRamp.Add((IColorRamp)styleItem.Item);
Bitmap bitmap = PreviewSymbol(pStyleGalleryClass, styleItem.Item, cmblist[0].Width, cmblist[0].Height);
cmblist[0].Items.Add(bitmap);
cmblist[1].Items.Add(bitmap);
styleItem = enumStyleGalleryItem.Next();
}
break;
case "Colors":
IStyleGalleryClass pStyleGalleryClass1 = new ColorStyleGalleryClassClass();
enumStyleGalleryItem = pStyleGallery.get_Items("Colors", "ESRI.ServerStyle", "");
enumStyleGalleryItem.Reset();
styleItem = enumStyleGalleryItem.Next();
for (int i = 1; i < 55; i++)
//while (styleItem != null)
{
pListColor.Add((IColor)styleItem.Item);
Bitmap bitmap = PreviewSymbol(pStyleGalleryClass1, styleItem.Item, cmblist[0].Width, cmblist[0].Height);
cmblist[0].Items.Add(bitmap);
cmblist[1].Items.Add(bitmap);
styleItem = enumStyleGalleryItem.Next();
}
break;
}
pStyleStorage.RemoveFile(stylePath);
}
public void Style(string name, List<ComboBoxSym> cmblist)
{
IStyleGallery pStyleGallery;
IStyleGalleryStorage pStyleStorage;
IEnumStyleGalleryItem enumStyleGalleryItem;
IStyleGalleryItem styleItem;
pStyleGallery = new ServerStyleGalleryClass();
pStyleStorage = pStyleGallery as IStyleGalleryStorage;
//默认地址,也可以自己定义
string stylePath = Application.StartupPath + "\\ESRI.ServerStyle";
pStyleStorage.AddFile(stylePath);
switch (name)
{
case "Color Ramps":
IStyleGalleryClass pStyleGalleryClass = new ColorRampStyleGalleryClassClass();
enumStyleGalleryItem = pStyleGallery.get_Items("Color Ramps", "ESRI.ServerStyle", "");
enumStyleGalleryItem.Reset();
styleItem = enumStyleGalleryItem.Next();
for (int i = 1; i <55; i++)
//while(styleItem!=null)
{
pListRamp.Add((IColorRamp)styleItem.Item);
Bitmap bitmap = PreviewSymbol(pStyleGalleryClass, styleItem.Item, cmblist[0].Width, cmblist[0].Height);
cmblist[0].Items.Add(bitmap);
cmblist[1].Items.Add(bitmap);
styleItem = enumStyleGalleryItem.Next();
}
break;
case "Colors":
IStyleGalleryClass pStyleGalleryClass1 = new ColorStyleGalleryClassClass();
enumStyleGalleryItem = pStyleGallery.get_Items("Colors", "ESRI.ServerStyle", "");
enumStyleGalleryItem.Reset();
styleItem = enumStyleGalleryItem.Next();
for (int i = 1; i < 55; i++)
//while (styleItem != null)
{
pListColor.Add((IColor)styleItem.Item);
Bitmap bitmap = PreviewSymbol(pStyleGalleryClass1, styleItem.Item, cmblist[0].Width, cmblist[0].Height);
cmblist[0].Items.Add(bitmap);
cmblist[1].Items.Add(bitmap);
styleItem = enumStyleGalleryItem.Next();
}
break;
}
pStyleStorage.RemoveFile(stylePath);
}
private void DrawColorRamp()
{
string sInstall = ESRI.ArcGIS.RuntimeManager.ActiveRuntime.Path;
string styleFilePath = sInstall + "\\Styles\\ESRI.ServerStyle";
IStyleGallery styleGallery = new ServerStyleGalleryClass();
IStyleGalleryItem styleGalleryItem = null;
IStyleGalleryStorage styleGalleryStorage = styleGallery as IStyleGalleryStorage;
styleGalleryStorage.AddFile(styleFilePath);
IEnumStyleGalleryItem enumStyleGalleryItem = styleGallery.get_Items("Color Ramps", styleFilePath, "");
enumStyleGalleryItem.Reset();
styleGalleryItem = enumStyleGalleryItem.Next();
while (styleGalleryItem != null)
{
m_ColorRamp = (IColorRamp)styleGalleryItem.Item;
EnumStyleItem.Add(m_ColorRamp);
m_FillSymbol = new GradientFillSymbol();
m_FillSymbol.GradientAngle = 0;
m_FillSymbol.ColorRamp = m_ColorRamp;
pictureBox1.Image = SymbolToBitmap(m_FillSymbol, 0, pictureBox1.Width, pictureBox1.Height);
imageList1.Images.Add(pictureBox1.Image);
comboBoxColor.Items.Add(pictureBox1.Image);
styleGalleryItem = enumStyleGalleryItem.Next();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(enumStyleGalleryItem);
}
//added by chulili
//函数功能：获取符号库中的符号
//输入参数：符号库全路径 符号类别 符号名
//输出参数：符号
//代码来源：借鉴同事代码
private static ISymbol GetSymbol(string stylefileFullname, string styleClassName, string sSymbolName)
{
ISymbol pSymbol = null;
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage;
IEnumStyleGalleryItem pEnumStyleGalleryItem = new EnumServerStyleGalleryItemClass();
pStyleGalleryStorage = pStyleGallery as IStyleGalleryStorage;
pStyleGalleryStorage.AddFile(stylefileFullname);
pEnumStyleGalleryItem = pStyleGallery.get_Items(styleClassName, stylefileFullname, "");
pEnumStyleGalleryItem.Reset();
IStyleGalleryItem pEnumItem;
pEnumItem = pEnumStyleGalleryItem.Next();
while (pEnumItem != null)
{
if (pEnumItem.Name == sSymbolName)
{
pSymbol = pEnumItem.Item as ISymbol;
break;
}
pEnumItem = pEnumStyleGalleryItem.Next();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumStyleGalleryItem);
return(pSymbol);
}
// 从符号
public static ISymbol FetchSymbol(string name)
{
string strStartPath = System.Windows.Forms.Application.StartupPath;
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage = pStyleGallery as IStyleGalleryStorage;
pStyleGalleryStorage.AddFile(strStartPath + "\\mlb.ServerStyle");
IEnumStyleGalleryItem pEnumStyleGalleryItem = pStyleGallery.get_Items("Marker Symbols", strStartPath + "\\mlb.ServerStyle", null);
ISymbol pSymbol = null;
pEnumStyleGalleryItem.Reset();
IStyleGalleryItem pStyleGalleryItem = pEnumStyleGalleryItem.Next();
while (pStyleGalleryItem != null)
{
if (pStyleGalleryItem.Name == name)
{
//获取符号
pSymbol = pStyleGalleryItem.Item as ISymbol;
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumStyleGalleryItem);
break;
}
pStyleGalleryItem = pEnumStyleGalleryItem.Next();
}
return(pSymbol);
}
private void DrawColorRamp()
{
string strDefaultStyleFileName = string.Format("{0}\\CNUStyles\\ESRI.ServerStyle", Application.StartupPath);
IStyleGallery styleGallery = new ServerStyleGalleryClass();
IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItemClass();
IStyleGalleryStorage styleGalleryStorage = styleGallery as IStyleGalleryStorage;
styleGalleryStorage.AddFile(strDefaultStyleFileName);
IEnumStyleGalleryItem enumStyleGalleryItem = styleGallery.get_Items("Color Ramps", strDefaultStyleFileName, "");
enumStyleGalleryItem.Reset();
styleGalleryItem = enumStyleGalleryItem.Next();
while (styleGalleryItem != null)
{
m_ColorRamp = (IColorRamp)styleGalleryItem.Item;
EnumStyleItem.Add(m_ColorRamp);
//新建m_FillSymbol和m_colorRamp
m_FillSymbol = new GradientFillSymbol();
m_FillSymbol.GradientPercentage = 1;
m_FillSymbol.IntervalCount = 255;
m_FillSymbol.GradientAngle = 0;
m_FillSymbol.ColorRamp = m_ColorRamp;
pictureBox1.Image = SymbolToBitmap(m_FillSymbol, 0, pictureBox1.Width, pictureBox1.Height);
pictureBox2.Image = SymbolToBitmap(m_FillSymbol, 0, pictureBox1.Width, pictureBox1.Height);
imageList1.Images.Add(m_ColorRamp.Name, pictureBox1.Image);
imageList2.Images.Add(m_ColorRamp.Name, pictureBox1.Image);
colorComboBox.Items.Add(pictureBox1.Image);
colorComboBox1.Items.Add(pictureBox2.Image);
styleGalleryItem = enumStyleGalleryItem.Next();
}
}
///<summary>
///获取符号库中符号
///</summary>
///<param name="sServerStylePath">符号库全路径名称</param>
///<param name="sGalleryClassName">GalleryClass名称</param>
///<param name="symbolName">符号名称</param>
///<returns>符号</returns>
private ISymbol GetSymbol(string sServerStylePath, string sGalleryClassName, string symbolName)
{
try
{
//ServerStyleGallery对象
IStyleGallery pStyleGaller = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage = pStyleGaller as IStyleGalleryStorage;
IEnumStyleGalleryItem pEnumSyleGalleryItem = null;
IStyleGalleryItem pStyleGallerItem = null;
IStyleGalleryClass pStyleGalleryClass = null;
//使用IStyleGalleryStorage接口的AddFile方法加载ServerStyle文件
pStyleGalleryStorage.AddFile(sServerStylePath);
//遍历ServerGallery中的Class
for (int i = 0; i < pStyleGaller.ClassCount; i++)
{
pStyleGalleryClass = pStyleGaller.get_Class(i);
if (pStyleGalleryClass.Name != sGalleryClassName)
{
continue;
}
//获取EnumStyleGalleryItem对象
pEnumSyleGalleryItem = pStyleGaller.get_Items(sGalleryClassName, sServerStylePath, "");
pEnumSyleGalleryItem.Reset();
//遍历pEnumSyleGalleryItem
pStyleGallerItem = pEnumSyleGalleryItem.Next();
while (pStyleGallerItem != null)
{
if (pStyleGallerItem.Name == symbolName)
{
//获取符号
ISymbol pSymbol = pStyleGallerItem.Item as ISymbol;
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumSyleGalleryItem);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pStyleGalleryClass);
return(pSymbol);
}
pStyleGallerItem = pEnumSyleGalleryItem.Next();
}
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumSyleGalleryItem);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pStyleGalleryClass);
return(null);
}
catch (Exception Err)
{
MessageBox.Show(Err.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return(null);
}
}
private void demo2(string CurrentStyleFile, string CurrentStyleGalleryClass)
{
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage;
pStyleGalleryStorage = pStyleGallery as IStyleGalleryStorage;
//增加符号文件
pStyleGalleryStorage.AddFile(CurrentStyleFile);
//根据当前符号的类别和文件得到符号的枚举循环
//符号类别包括Fill Symbol,Line Symbol等
IEnumStyleGalleryItem mEnumStyleItem;
mEnumStyleItem = pStyleGallery.get_Items(CurrentStyleGalleryClass, CurrentStyleFile, "");
//得到符号文件类别的各个条目,增加到一个Combox中
IEnumBSTR pEnumBSTR = pStyleGallery.get_Categories(CurrentStyleGalleryClass);
pEnumBSTR.Reset();
string Category = "";
Category = pEnumBSTR.Next();
while (Category != null)
{
//cbxCategory.Items.Add(Category);
Category = pEnumBSTR.Next();
}
//得到各个符号并转化为图片
mEnumStyleItem.Reset();
IStyleGalleryItem mStyleItem = mEnumStyleItem.Next();
int ImageIndex = 0;
IStyleGalleryClass mStyleClass = new FillSymbolStyleGalleryClassClass();
while (mStyleItem != null)
{
//调用另一个类的方法将符号转化为图片
Bitmap bmpB = StyleGalleryItemToBmp(32, 32, mStyleClass, mStyleItem);
Bitmap bmpS = StyleGalleryItemToBmp(16, 16, mStyleClass, mStyleItem);
Largeimage.Images.Add(bmpB);
Smallimage.Images.Add(bmpS);
ListViewItem lvItem = new ListViewItem(new string[] { mStyleItem.Name, mStyleItem.ID.ToString(), mStyleItem.Category }, ImageIndex);
this.lvRendererFields.Items.Add(lvItem);
mStyleItem = mEnumStyleItem.Next();
ImageIndex++;
}
//必须采用此方式进行释放，第二次才能正常读取
System.Runtime.InteropServices.Marshal.ReleaseComObject(mEnumStyleItem);
}
/// <summary>
/// 获取指定种类，指定符号id的符号
/// </summary>
/// <param name="sGallery">符号种类（e.g.填充颜色）</param>
/// <param name="id">符号id</param>
/// <returns>符号</returns>
public static ISymbol GetStyleSymbol(string sGallery, int id)
{
try
{
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage = pStyleGallery as IStyleGalleryStorage;
for (int i = pStyleGalleryStorage.FileCount - 1; i >= 0; i--)
{
pStyleGalleryStorage.RemoveFile(pStyleGalleryStorage.get_File(i));
}
pStyleGalleryStorage.AddFile(_STYLEFILE);
IEnumStyleGalleryItem pEnumStyleItem = pStyleGallery.get_Items(sGallery, _STYLEFILE, "");
pEnumStyleItem.Reset();
IStyleGalleryItem mStyleItem = pEnumStyleItem.Next();
IStyleGalleryClass mStyleClass = null;
for (int i = 0; i < pStyleGallery.ClassCount; i++)
{
mStyleClass = pStyleGallery.get_Class(i);
string str = mStyleClass.Name;
if (str == sGallery)
{
break;
}
}
ISymbol result = null;
while (mStyleItem != null)
{
if (mStyleItem.ID == id)
{
result = mStyleItem.Item as ISymbol;
break;
}
mStyleItem = pEnumStyleItem.Next();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumStyleItem);
return(result);
}
catch
{
return(null);
}
}
/// <summary>
/// 读取ServerStyle中的文件并显示
/// </summary>
/// <param name="StyleGalleryClass">符号文件的种类</param>
/// <param name="CategoryClass">符号的种类</param>
/// <param name="cbxCategory">符号文件的种类的容器</param>
/// <param name="lvSymbol">符号位图的容器</param>
public static void ReadServerStyle(string StyleGalleryClass, string CategoryClass, ComboBox cbxCategory, ListView lvSymbol)
{
lvSymbol.Items.Clear();
lvSymbol.LargeImageList.Images.Clear();
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage = pStyleGallery as IStyleGalleryStorage;
// 增加符号文件
//pStyleGalleryStorage.TargetFile = _STYLEFILE;
for (int i = pStyleGalleryStorage.FileCount - 1; i >= 0; i--)
{
pStyleGalleryStorage.RemoveFile(pStyleGalleryStorage.get_File(i));
}
pStyleGalleryStorage.AddFile(_STYLEFILE);
// 根据当前符号的类别和文件得到符号的枚举循环子,符号类别包括Fill Symbol,Line Symbol等
IEnumStyleGalleryItem pEnumStyleItem = pStyleGallery.get_Items(StyleGalleryClass, _STYLEFILE, "");
// 得到符号文件类别的各个条目,增加到一个Combox中
if (cbxCategory != null)
{
cbxCategory.Items.Clear();
cbxCategory.Items.Add(_ALLSYMBOLS);
IEnumBSTR pEnumBSTR = pStyleGallery.get_Categories(StyleGalleryClass);
pEnumBSTR.Reset();
string Category = "";
Category = pEnumBSTR.Next();
while (Category != null)
{
cbxCategory.Items.Add(Category);
Category = pEnumBSTR.Next();
}
}
pEnumStyleItem.Reset();
IStyleGalleryItem mStyleItem = pEnumStyleItem.Next();
IStyleGalleryClass mStyleClass = null;
for (int i = 0; i < pStyleGallery.ClassCount; i++)
{
mStyleClass = pStyleGallery.get_Class(i);
string str = mStyleClass.Name;
if (str == StyleGalleryClass)
{
break;
}
}
// 得到各个符号并转化为图片
int ImageIndex = 0;
ImageList Largeimage = lvSymbol.LargeImageList;
if (CategoryClass == "" || CategoryClass == _ALLSYMBOLS)
{
while (mStyleItem != null)
{
// 调用另一个类的方法将符号转化为图片
Bitmap bmpB = StyleGalleryItemToBmp(32, 32, mStyleClass, mStyleItem);
Largeimage.Images.Add(bmpB);
ListViewItem lvItem = new ListViewItem(new string[] { mStyleItem.Name, mStyleItem.ID.ToString(), mStyleItem.Category }, ImageIndex);
lvSymbol.Items.Add(lvItem);
ImageIndex++;
mStyleItem = pEnumStyleItem.Next();
}
}
else
{
while (mStyleItem != null)
{
if (CategoryClass == mStyleItem.Category)
{
// 调用另一个类的方法将符号转化为图片
Bitmap bmpB = StyleGalleryItemToBmp(32, 32, mStyleClass, mStyleItem);
Largeimage.Images.Add(bmpB);
ListViewItem lvItem = new ListViewItem(new string[] { mStyleItem.Name, mStyleItem.ID.ToString(), mStyleItem.Category }, ImageIndex);
lvSymbol.Items.Add(lvItem);
ImageIndex++;
}
mStyleItem = pEnumStyleItem.Next();
}
}
// 必须采用此方式进行释放，第二次才能正常读取
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumStyleItem);
}
public static IMarkerSymbol FindMarkerSym(string stylename, string stylecategory, string symname)
{
//����Symbol��ʵ�֣�StyleGallery����Desktop
IStyleGallery pStyGall;
IStyleGalleryStorage pStyGallStor;
IStyleGalleryItem pStyGallItem;
IMarkerSymbol pMrkSym=null;
IEnumStyleGalleryItem pEnumStyGallItm;
string pStylePath=null;
pStyGall=new ServerStyleGalleryClass();
pStyGallStor=pStyGall as IStyleGalleryStorage;
try
{
pStylePath=pStyGallStor.DefaultStylePath+"Civic.ServerStyle";
pStyGallStor.TargetFile=pStylePath;
//pStyGallStor.AddFile(pStylePath);
//pStyGall.LoadStyle(pStylePath,""); ��������ʹ��LoadStyle������δָ���Ĵ���
pStyGallStor.AddFile(pStylePath);
pEnumStyGallItm = pStyGall.get_Items("Marker Symbols",stylename,stylecategory);
pEnumStyGallItm.Reset();
//Make sure it contains markers
pStyGallItem = pEnumStyGallItm.Next() as IStyleGalleryItem;
//if(pStyGallItem==null) {MessageBox.Show("û��ָ����Symbol");return null;}
//pEnumStyGallItm.Reset();
//Make sure it contains markers
//pStyGallItem = pEnumStyGallItm.Next() as IStyleGalleryItem;
while(pStyGallItem!=null)
{
if(pStyGallItem.Name.Equals(symname))
{
pMrkSym=pStyGallItem.Item as IMarkerSymbol;
break;
}
pStyGallItem = pEnumStyGallItm.Next() as IStyleGalleryItem;
}
return pMrkSym;
}
catch(Exception e)
{
MessageBox.Show(e.Message);
return null;
}
finally{
pStyGallStor.RemoveFile(pStylePath);
pStyGall=null;
pStyGallStor=null;
pStyGallItem=null;
pEnumStyGallItm=null;
}
//return null;
}
private void demo2(string CurrentStyleFile, string CurrentStyleGalleryClass)
{
IStyleGallery pStyleGallery = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage;
pStyleGalleryStorage = pStyleGallery as IStyleGalleryStorage;
//增加符号文件
pStyleGalleryStorage.AddFile(CurrentStyleFile);
//根据当前符号的类别和文件得到符号的枚举循环
//符号类别包括Fill Symbol,Line Symbol等
IEnumStyleGalleryItem mEnumStyleItem;
mEnumStyleItem = pStyleGallery.get_Items(CurrentStyleGalleryClass, CurrentStyleFile, "");
//得到符号文件类别的各个条目,增加到一个Combox中
IEnumBSTR pEnumBSTR = pStyleGallery.get_Categories(CurrentStyleGalleryClass);
pEnumBSTR.Reset();
string Category = "";
Category = pEnumBSTR.Next();
while (Category != null)
{
//cbxCategory.Items.Add(Category);
Category = pEnumBSTR.Next();
}
//得到各个符号并转化为图片
mEnumStyleItem.Reset();
IStyleGalleryItem mStyleItem = mEnumStyleItem.Next();
int ImageIndex = 0;
IStyleGalleryClass mStyleClass = new FillSymbolStyleGalleryClassClass();
while (mStyleItem != null)
{
//调用另一个类的方法将符号转化为图片
Bitmap bmpB = StyleGalleryItemToBmp(32, 32, mStyleClass, mStyleItem);
Bitmap bmpS = StyleGalleryItemToBmp(16, 16, mStyleClass, mStyleItem);
Largeimage.Images.Add(bmpB);
Smallimage.Images.Add(bmpS);
ListViewItem lvItem = new ListViewItem(new string[] { mStyleItem.Name, mStyleItem.ID.ToString(), mStyleItem.Category }, ImageIndex);
this.lvRendererFields.Items.Add(lvItem);
mStyleItem = mEnumStyleItem.Next();
ImageIndex++;
}
//必须采用此方式进行释放，第二次才能正常读取
System.Runtime.InteropServices.Marshal.ReleaseComObject(mEnumStyleItem);
}
public static IMarkerSymbol FindMarkerSym(string stylename, string stylecategory, string symname)
{
//查找Symbol无法实现，StyleGallery属于Desktop
IStyleGallery pStyGall;
IStyleGalleryStorage pStyGallStor;
IStyleGalleryItem pStyGallItem;
IMarkerSymbol pMrkSym = null;
IEnumStyleGalleryItem pEnumStyGallItm;
string pStylePath = null;
pStyGall = new ServerStyleGalleryClass();
pStyGallStor = pStyGall as IStyleGalleryStorage;
try
{
pStylePath = pStyGallStor.DefaultStylePath + "Civic.ServerStyle";
pStyGallStor.TargetFile = pStylePath;
//pStyGallStor.AddFile(pStylePath);
//pStyGall.LoadStyle(pStylePath,""); 看来不能使用LoadStyle，出现未指定的错误
pStyGallStor.AddFile(pStylePath);
pEnumStyGallItm = pStyGall.get_Items("Marker Symbols", stylename, stylecategory);
pEnumStyGallItm.Reset();
//Make sure it contains markers
pStyGallItem = pEnumStyGallItm.Next() as IStyleGalleryItem;
//if(pStyGallItem==null) {MessageBox.Show("没有指定的Symbol");return null;}
//pEnumStyGallItm.Reset();
//Make sure it contains markers
//pStyGallItem = pEnumStyGallItm.Next() as IStyleGalleryItem;
while (pStyGallItem != null)
{
if (pStyGallItem.Name.Equals(symname))
{
pMrkSym = pStyGallItem.Item as IMarkerSymbol;
break;
}
pStyGallItem = pEnumStyGallItm.Next() as IStyleGalleryItem;
}
return(pMrkSym);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
return(null);
}
finally{
pStyGallStor.RemoveFile(pStylePath);
pStyGall = null;
pStyGallStor = null;
pStyGallItem = null;
pEnumStyGallItm = null;
}
//return null;
}
///<summary>
///��ȡ���ſ��з���
///</summary>
///<param name="sServerStylePath">���ſ�ȫ·������</param>
///<param name="sGalleryClassName">GalleryClass����</param>
///<param name="symbolName">��������</param>
///<returns>����</returns>
private ISymbol GetSymbol(string sServerStylePath, string sGalleryClassName, string symbolName)
{
try
{
//ServerStyleGallery����
IStyleGallery pStyleGaller = new ServerStyleGalleryClass();
IStyleGalleryStorage pStyleGalleryStorage = pStyleGaller as IStyleGalleryStorage;
IEnumStyleGalleryItem pEnumSyleGalleryItem = null;
IStyleGalleryItem pStyleGallerItem = null;
IStyleGalleryClass pStyleGalleryClass = null;
//ʹ��IStyleGalleryStorage�ӿڵ�AddFile��������ServerStyle�ļ�
pStyleGalleryStorage.AddFile(sServerStylePath);
//����ServerGallery�е�Class
for (int i = 0; i < pStyleGaller.ClassCount; i++)
{
pStyleGalleryClass = pStyleGaller.get_Class(i);
if (pStyleGalleryClass.Name != sGalleryClassName)
continue;
//��ȡEnumStyleGalleryItem����
pEnumSyleGalleryItem = pStyleGaller.get_Items(sGalleryClassName, sServerStylePath, "");
pEnumSyleGalleryItem.Reset();
//����pEnumSyleGalleryItem
pStyleGallerItem = pEnumSyleGalleryItem.Next();
while (pStyleGallerItem != null)
{
if (pStyleGallerItem.Name == symbolName)
{
//��ȡ����
ISymbol pSymbol = pStyleGallerItem.Item as ISymbol;
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumSyleGalleryItem);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pStyleGalleryClass);
return pSymbol;
}
pStyleGallerItem = pEnumSyleGalleryItem.Next();
}
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pEnumSyleGalleryItem);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pStyleGalleryClass);
return null;
}
catch (Exception Err)
{
MessageBox.Show(Err.Message, "��ʾ", MessageBoxButtons.OK, MessageBoxIcon.Information);
return null;
}
}
