public static bool TableIsRelateLayer(ITable itable_0, ITable itable_1)
{
try
{
IRelationshipClassCollection classs = itable_0 as IRelationshipClassCollection;
if (classs != null)
{
IEnumRelationshipClass class2 = classs.FindRelationshipClasses(itable_1 as IObjectClass,
esriRelRole.esriRelRoleAny);
class2.Reset();
if (class2.Next() != null)
{
return(true);
}
}
return(false);
}
catch (COMException exception)
{
MessageBox.Show(exception.Message, "COM Error: " + exception.ErrorCode.ToString(), MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
}
catch (Exception exception2)
{
MessageBox.Show(exception2.Message, ".NET Error: ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
return(false);
}
private void processRelates(IFeatureLayer flyr)
{
string res = "";
string destName = "";
string destServer = "";
string destInstance = "";
string destUser = "";
IRelationshipClassCollection relClassColl = (IRelationshipClassCollection)flyr;
IEnumRelationshipClass enumRelClass = relClassColl.RelationshipClasses;
enumRelClass.Reset();
IRelationshipClass relClass = enumRelClass.Next();
while (relClass != null)
{
IDataset dset = (IDataset)relClass;
ITable destTable = (ITable)relClass.DestinationClass;
IDataset dsetDest = (IDataset)destTable;
destName = dsetDest.Name;
destServer = dsetDest.Workspace.ConnectionProperties.GetProperty("server").ToString();
destInstance = dsetDest.Workspace.ConnectionProperties.GetProperty("instance").ToString();
destUser = dsetDest.Workspace.ConnectionProperties.GetProperty("user").ToString();
res = res + "(" + destName + "/" + destServer + "/" + destInstance + "/" + destUser + "/" + relClass.OriginPrimaryKey + "/" + relClass.OriginForeignKey + "/" + dset.BrowseName + ")";
relClass = enumRelClass.Next();
}
relateinfo = res;
}
/// <summary>
/// Removes the relate to the specified foreign class.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="foreignClass">The foreign class.</param>
/// <param name="role">The role.</param>
public static void Remove(this IFeatureLayer source, IObjectClass foreignClass, esriRelRole role)
{
IRelationshipClassCollectionEdit edit = (IRelationshipClassCollectionEdit)source;
IRelationshipClassCollection collection = (IRelationshipClassCollection)edit;
foreach (var relClass in collection.FindRelationshipClasses(foreignClass, role).AsEnumerable())
{
edit.RemoveRelationshipClass(relClass);
}
}
private void btnRemoveRelating_Click(object sender, EventArgs e)
{
try
{
IRelationshipClassCollection classs = this.itable_0 as IRelationshipClassCollection;
IEnumRelationshipClass relationshipClasses = classs.RelationshipClasses;
relationshipClasses.Reset();
string str = this.RelatingDataList.SelectedItem.ToString();
IRelationshipClass relationshipClass = relationshipClasses.Next();
while (relationshipClass != null)
{
if (str == (relationshipClass as IDataset).Name)
{
goto Label_0075;
}
relationshipClass = relationshipClasses.Next();
}
if (this.OnJoinAndRelationChange != null)
{
this.OnJoinAndRelationChange();
}
return;
Label_0075:
(classs as IRelationshipClassCollectionEdit).RemoveRelationshipClass(relationshipClass);
this.RelatingDataList.Items.Clear();
this.method_2(this.itable_0);
if (this.RelatingDataList.Items.Count > 0)
{
this.btnRemoveAllRelating.Enabled = true;
}
else
{
this.btnRemoveAllRelating.Enabled = false;
}
}
catch (COMException exception)
{
MessageBox.Show(exception.Message, "COM Error: " + exception.ErrorCode.ToString(), MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
}
catch (Exception exception2)
{
MessageBox.Show(exception2.Message, ".NET Error: ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
private void method_2(ITable itable_1)
{
try
{
IRelationshipClassCollection classs = itable_1 as IRelationshipClassCollection;
IEnumRelationshipClass relationshipClasses = classs.RelationshipClasses;
relationshipClasses.Reset();
for (IRelationshipClass class3 = relationshipClasses.Next();
class3 != null;
class3 = relationshipClasses.Next())
{
this.RelatingDataList.Items.Add(new ObjectWrap(class3));
}
}
catch (COMException exception)
{
MessageBox.Show(exception.Message, "COM Error: " + exception.ErrorCode.ToString(), MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
}
catch (Exception exception2)
{
MessageBox.Show(exception2.Message, ".NET Error: ", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
private void method_6(IFeatureLayer ifeatureLayer_0, IObject iobject_0)
{
string str;
int num;
IField field;
IFieldInfo info;
string str2;
List <IAttachment> list = this.method_4(iobject_0);
if (list.Count > 0)
{
this.textBox1.Text = "共有附件" + list.Count;
this.button1.Tag = list;
this.panel5.AutoSize = false;
}
else
{
this.panel5.AutoSize = true;
}
this.Infolist.Items.Clear();
IRelationshipClassCollection classs = ifeatureLayer_0 as IRelationshipClassCollection;
IEnumRelationshipClass relationshipClasses = classs.RelationshipClasses;
relationshipClasses.Reset();
relationshipClasses.Next();
ITable displayTable = (ifeatureLayer_0 as IDisplayTable).DisplayTable;
if (displayTable == null)
{
str = "几何数据";
for (num = 0; num < (ifeatureLayer_0 as ILayerFields).FieldCount; num++)
{
field = (ifeatureLayer_0 as ILayerFields).get_Field(num);
info = (ifeatureLayer_0 as ILayerFields).get_FieldInfo(num);
if (info.Visible)
{
this.Infolist.Items.Add(info.Alias);
if (field.Type == esriFieldType.esriFieldTypeGeometry)
{
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add(str);
}
else if (field.Type == esriFieldType.esriFieldTypeBlob)
{
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add("二进制数据");
}
else if (field.Type == esriFieldType.esriFieldTypeOID)
{
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add(
iobject_0.get_Value(num).ToString());
}
else
{
str2 = this.method_7(iobject_0, field, num);
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add(str2);
}
}
}
}
else
{
IRow row = displayTable.GetRow(iobject_0.OID);
str = "几何数据";
for (num = 0; num < (ifeatureLayer_0 as ILayerFields).FieldCount; num++)
{
field = (ifeatureLayer_0 as ILayerFields).get_Field(num);
info = (ifeatureLayer_0 as ILayerFields).get_FieldInfo(num);
if (info.Visible)
{
this.Infolist.Items.Add(info.Alias);
if (field.Type == esriFieldType.esriFieldTypeGeometry)
{
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add(str);
}
else if (field.Type == esriFieldType.esriFieldTypeBlob)
{
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add("二进制数据");
}
else if (field.Type == esriFieldType.esriFieldTypeOID)
{
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add(
row.get_Value(num).ToString());
}
else
{
str2 = this.method_7(row, field, num);
this.Infolist.Items[this.Infolist.Items.Count - 1].SubItems.Add(str2);
}
}
}
}
}
