/// /// 在圖層裡面增加feature///
/// 新增到的圖層的名稱
/// 當前axmapcontrol.map
/// 要新增的資料 datatable格式
public static void addfeature(string layer,imap pmap,datatable dt)
圖層失敗，請檢查空間資料庫是否有該圖層", layer));
}idataset ds = featurecls as idataset;
iworkspace workspace = ds.workspace;
iworkspaceedit edit = workspace as iworkspaceedit;
edit.startediting(false);
edit.disableundoredo();
edit.starteditoperation();
int num = -1;
for (int i = 0; i < pmap.layercount; i++)
}ifeaturecursor insercursor = featurecls.insert(true);
ifeaturebuffer buffer;
ifeaturelayer pfeaturelayer=pmap.get_layer(num) as ifeaturelayer;
ifeatureclass pfeatureclass = pfeaturelayer.featureclass;
ifeaturecursor cursor = pfeatureclass.search(null, false);
ifeature pfeature = cursor.nextfeature();
int count = 0;
while (pfeature != null)
m++;
}//ifeature newfeature = featurecls.createfeature();
buffer = featurecls.createfeaturebuffer();
= pfeature.shape;
buffer.shape = pfeature.shape;
for (int i = 0; i < dt.columns.count; i++)}}
insercursor.insertfeature(buffer);
if (count >= 100)
pfeature = cursor.nextfeature();
}insercursor.flush();
edit.stopediting(true);
edit.stopeditoperation();
}/// /// 刪除圖層指定feature
///
/// 要刪除的目標圖層名
/// 帶有要刪除feature的mapdocid值的list
public static void deletefeature(string layer,listmapdocid)
iqueryfilter pqueryfilter = new queryfilterclass();
pqueryfilter.whereclause = whereclause;
ifeaturecursor pfeaturecursor = pfeatureclass.update(pqueryfilter,false);
ifeature pfeature = pfeaturecursor.nextfeature();
while (pfeature != null)
system.runtime.interopservices.marshal.releasecomobject(pfeaturecursor);
}/// /// 刪除圖層指定feature
///
/// 要刪除的目標圖層名
/// 帶有要刪除feature的mapdocid值的list
public static void deletefeature(string layer, string mapdocid)
system.runtime.interopservices.marshal.releasecomobject(pfeaturecursor);
}/// /// 修改指定圖層的字段
///
/// 要修改欄位和值
/// 要修改的條件
/// 圖層名
///
public static bool editfield(dictionarydicvalue, dictionarydiccondition,string layer)
圖層失敗，請檢查空間資料庫是否有該圖層",layer));
}//得到該圖層下有多少資料
int featurecount = featurecls.featurecount(null);
int fieldindex = -1;
idataset ds = featurecls as idataset;
iworkspace workspace = ds.workspace;
iworkspaceedit edit = workspace as iworkspaceedit;
edit.startediting(false);
edit.disableundoredo();
ifeaturecursor updatecursor = featurecls.update(null, false);
edit.starteditoperation();
ifeature feature = updatecursor.nextfeature();
while (feature != null)
else
if (myindex == -1)
feature.set_value(myindex, myvalue.value);
updatecursor.updatefeature(feature);}}
}feature = updatecursor.nextfeature();
}edit.stopeditoperation();
edit.stopediting(true);
return true;
}catch(exception ex)
}public static ifeatureclass openlayer(string layername)
catch (exception)
}
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