private static SelectOption GetSelectOptionFromFile()//读取文件中保存的选择设置
{
SelectOption result = null;
string optFile = Application.StartupPath + SYSTEM_SELECTOPTION_FILE;
Stream stream;
if (File.Exists(optFile))
{
XmlSerializer ser = new XmlSerializer(typeof(SelectOption));
stream = new FileStream(optFile, FileMode.Open);
try
{
SelectOption tmp = (SelectOption)ser.Deserialize(stream);
result = tmp;
}
catch (Exception ex)
{
MessageBox.Show("SelectionOption反序列化出错！" + "\r\n" + ex.Message + "\r\n" + ex.StackTrace);
}
finally
{
if (stream != null)
{
stream.Close();
}
}
}
return(result);
}
public static SelectionEnvironmentClass System_Selection_Environment(IActiveView activeView)
{
if (m_System_Selection_Option == null)
{
m_System_Selection_Option = SelectOption.GetSelectOption();
}
if (m_System_SelectionEnvironment == null)
{
m_System_SelectionEnvironment = new SelectionEnvironmentClass();
}
double tol = PublicFunction.ConvertPixelsToMapUnits(activeView, m_System_Selection_Option.Tolerate);
m_System_SelectionEnvironment.PointSearchDistance = tol;
m_System_SelectionEnvironment.LinearSearchDistance = tol;
m_System_SelectionEnvironment.AreaSearchDistance = tol;
m_System_SelectionEnvironment.PointSelectionMethod = (esriSpatialRelEnum)m_System_Selection_Option.SelectRelection;
m_System_SelectionEnvironment.LinearSelectionMethod = (esriSpatialRelEnum)m_System_Selection_Option.SelectRelection;
m_System_SelectionEnvironment.AreaSelectionMethod = (esriSpatialRelEnum)m_System_Selection_Option.SelectRelection;
m_System_SelectionEnvironment.ClearInvisibleLayers = m_System_Selection_Option.ClearInVisible;
m_System_SelectionEnvironment.CombinationMethod = (esriSelectionResultEnum)m_System_Selection_Option.ResultMethod;
m_System_SelectionEnvironment.DefaultColor = PublicFunction.GetSelectionColor(m_System_Selection_Option.DefaultColorRGB);
m_System_SelectionEnvironment.SearchTolerance = (int)tol;
m_System_SelectionEnvironment.ShowSelectionWarning = m_System_Selection_Option.ShowWarning;
m_System_SelectionEnvironment.WarningThreshold = m_System_Selection_Option.WarningThreshold;
return(m_System_SelectionEnvironment);
}
/// <summary>
/// 可以保存的选择参数
/// </summary>
/// <returns></returns>
public static SelectOption System_Selection_Option()
{
if (m_System_Selection_Option == null)
{
m_System_Selection_Option = SelectOption.GetSelectOption();
}
return(m_System_Selection_Option);
}
public static string SYSTEM_SELECTOPTION_FILE = @"\..\option\SelOpt.xml"; //修改 袁怀月 2007－09-29
public static SelectOption GetSelectOption()
{
SelectOption result = GetSelectOptionFromFile();
if (result == null)
{
result = new SelectOption();
result.SelectRelection = 1;
result.ClearInVisible = true;
result.Tolerate = 3;
result.DefaultColorRGB = -12517377;
result.ShowWarning = true;
result.WarningThreshold = 2000;
}
result.ResultMethod = 0;
return(result);
}
public static bool SaveSelectOption(SelectOption selOpt)
{
try
{
string optFile = Application.StartupPath + SYSTEM_SELECTOPTION_FILE;
XmlSerializer ser = new XmlSerializer(typeof(SelectOption));
if (!Directory.Exists(Path.GetDirectoryName(optFile)))
{
Directory.CreateDirectory(Path.GetDirectoryName(optFile));
}
Stream stream = new FileStream(optFile, FileMode.Create);
ser.Serialize(stream, selOpt);
stream.Close();
return(true);
}
catch (Exception ex)
{
MessageBox.Show("SelectionOption序列化出错！" + "\r\n" + ex.Message + "\r\n" + ex.StackTrace);
return(false);
}
}