public static void AvoidPropertyInstanceIsNull(object instance)
{
List <PropertyInfo> propertyInfos = instance.GetType().GetProperties().ToList();
foreach (PropertyInfo propertyInfo in propertyInfos)
{
XmlIgnoreAttribute xmlIgnoreAttribute =
(XmlIgnoreAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(XmlIgnoreAttribute));
NonMemberAttribute nonMemberAttribute =
(NonMemberAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(NonMemberAttribute));
if (xmlIgnoreAttribute != null || nonMemberAttribute != null)
{
continue;
}
object value = propertyInfo.GetValue(instance, null);
if (value == null)
{
Type type = propertyInfo.PropertyType;
if (type == typeof(string))
{
value = string.Empty;
}
else
{
value = Activator.CreateInstance(type);
}
propertyInfo.SetValue(instance, value, null);
}
}
}
/// <summary>
/// 屬性值複製, 將來源實體數值複製到目的實體, 主要作為繼承對象數值複製
/// </summary>
/// <param name="srcInstance">來源實體</param>
/// <param name="destInstance">目的實體</param>
public static void BlindingInstanceProperty(object srcInstance, object destInstance)
{
List <PropertyInfo> srcPropertyInfos = srcInstance.GetType().GetProperties().ToList();
List <PropertyInfo> destPropertyInfos = destInstance.GetType().GetProperties().ToList();
List <PropertyInfo> propertyInfos = new List <PropertyInfo>();
for (int i = 0; i < srcPropertyInfos.Count; i++)
{
if (destPropertyInfos.Exists(p => p.PropertyType == srcPropertyInfos[i].PropertyType))
{
propertyInfos.Add(srcPropertyInfos[i]);
}
}
foreach (PropertyInfo propertyInfo in propertyInfos)
{
XmlIgnoreAttribute xmlIgnoreAttribute =
(XmlIgnoreAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(XmlIgnoreAttribute));
NonMemberAttribute nonMemberAttribute =
(NonMemberAttribute)Attribute.GetCustomAttribute(propertyInfo, typeof(NonMemberAttribute));
if (xmlIgnoreAttribute != null || nonMemberAttribute != null)
{
continue;
}
object value = propertyInfo.GetValue(srcInstance, null);
propertyInfo.SetValue(destInstance, value, null);
}
}
public bool Save(string folderPath, string fileName, string sectionName)
{
this.FolderPath = folderPath;
this.FileName = fileName;
this.SectionName = sectionName;
try
{
fileName = string.IsNullOrEmpty(fileName) ? this.GetType().Name : fileName;
IniFile iniFile = new IniFile(folderPath, fileName);
PropertyInfo[] properties = this.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);
foreach (PropertyInfo property in properties)
{
NonMemberAttribute attribute =
(NonMemberAttribute)Attribute.GetCustomAttribute(property, typeof(NonMemberAttribute));
if (attribute != null)
{
continue;
}
object value = property.GetValue(this, null);
if (value == null)
{
continue;
}
string valueString = PropertyHelper.PropertyInfoGetValue(this, property);
if (valueString != null)
{
iniFile.WriteValue(sectionName, property.Name, valueString);
}
}
return(true);
}
catch (Exception ex)
{
ExceptionHelper.MessageBoxShow(ex, "SystemHint");
return(false);
}
}
public bool Load(string folderPath, string fileName, string sectionName)
{
this.FolderPath = folderPath;
this.FileName = fileName;
this.SectionName = sectionName;
_isReadFile = true;
try
{
IniFile iniFile = new IniFile(folderPath, fileName);
if (iniFile.GetSectionNames().Where(x => x == sectionName).Count() == 0)
{
//找不到參數自動寫入預設值
Save(folderPath, fileName, sectionName);
}
PropertyInfo[] properties = this.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);
foreach (var property in properties)
{
NonMemberAttribute nonMemberAttribute =
(NonMemberAttribute)Attribute.GetCustomAttribute(property, typeof(NonMemberAttribute));
if (nonMemberAttribute != null)
{
continue;
}
string defaultValue = string.Empty;
object readInstanceValue = property.GetValue(this, null);
if (readInstanceValue != null)
{
defaultValue = PropertyHelper.PropertyInfoGetValue(this, property);
if (defaultValue == null)
{
//HalconDotNet.HObject不進行讀寫
continue;
}
}
DefaultValueAttribute defaultValueAttribute =
(DefaultValueAttribute)Attribute.GetCustomAttribute(property, typeof(DefaultValueAttribute));
if (defaultValueAttribute != null)
{
defaultValue = defaultValueAttribute.Value.ToString();
}
string readValue = iniFile.GetString(sectionName, property.Name, defaultValue);
if (string.IsNullOrEmpty(readValue))
{
continue;
}
PropertyHelper.PropertyInfoSetValue(this, property, readValue);
}
return(true);
}
catch (Exception ex)
{
MessageBox.Show(string.Format("ParameterINI.Load({0}, {1}, {2}) Error", folderPath, fileName, sectionName));
ExceptionHelper.MessageBoxShow(ex, "SystemHint");
return(false);
}
finally
{
_isReadFile = false;
}
}
