/// <summary>
/// 设置动态块的动态属性
/// </summary>
/// <param name="blockId">动态块的ObjectId</param>
/// <param name="propName">动态属性的名称</param>
/// <param name="value">动态属性的值</param>
public static void SetDynBlockValue(this ObjectId blockId, string propName, object value)
{
var props = blockId.GetDynProperties();//获得动态块的所有动态属性
//遍历动态属性
foreach (DynamicBlockReferenceProperty prop in props)
{
//如果动态属性的名称与输入的名称相同且为可读
if (prop.ReadOnly == false && prop.PropertyName == propName)
{
//判断动态属性的类型并通过类型转化设置正确的动态属性值
switch (prop.PropertyTypeCode)
{
case (short)DynBlockPropTypeCode.Short: //短整型
prop.Value = Convert.ToInt16(value);
break;
case (short)DynBlockPropTypeCode.Long: //长整型
prop.Value = Convert.ToInt64(value);
break;
case (short)DynBlockPropTypeCode.Real: //实型
prop.Value = Convert.ToDouble(value);
break;
default: //其它
prop.Value = value;
break;
}
break;
}
}
}
/// <summary>
/// 获取动态块的动态属性值
/// </summary>
/// <param name="blockId">动态块的Id</param>
/// <param name="propName">需要查找的动态属性名</param>
/// <returns>返回指定动态属性的值</returns>
public static string GetDynBlockValue(this ObjectId blockId, string propName)
{
string propValue = null; //用于返回动态属性值的变量
var props = blockId.GetDynProperties(); //获得动态块的所有动态属性
//遍历动态属性
foreach (DynamicBlockReferenceProperty prop in props)
{
//如果动态属性的名称与输入的名称相同
if (prop.PropertyName == propName)
{
//获取动态属性值并结束遍历
propValue = prop.Value.ToString();
break;
}
}
return(propValue);//返回动态属性值
}
