public IRepresentationClass CreateRepClass(IFeatureClass ifeatureClass_0)
{
IDataset dataset = ifeatureClass_0 as IDataset;
IRepresentationWorkspaceExtension repWSExt = GetRepWSExt(dataset.Workspace);
if (repWSExt != null)
{
IRepresentationRules rules = new RepresentationRulesClass();
return(repWSExt.CreateRepresentationClass(ifeatureClass_0, ifeatureClass_0.AliasName + "_Rep",
"My_RuleID", "My_Override", false, rules, null));
}
return(null);
}
private void btnConvert_Click(object sender, EventArgs e)
{
if (this.txtRepresentationName.Text.Trim().Length == 0)
{
MessageBox.Show("名字不能为空!");
}
else if (this.txtruleIDFldName.Text.Trim().Length == 0)
{
MessageBox.Show("RuleID字段不能为空!");
}
else if (this.txtoverrideFldName.Text.Trim().Length == 0)
{
MessageBox.Show("Override字段不能为空!");
}
else
{
try
{
IFeatureClass featureClass = this.ifeatureLayer_0.FeatureClass;
IRepresentationWorkspaceExtension repWSExtFromFClass =
RepresentationAssist.GetRepWSExtFromFClass(featureClass);
if (repWSExtFromFClass != null)
{
IRepresentationRule repRule = RepresentationAssist.CreateRepresentationRule(featureClass);
IRepresentationRules rules = new RepresentationRulesClass();
rules.Add(repRule);
IRepresentationClass class3 = repWSExtFromFClass.CreateRepresentationClass(featureClass,
this.txtRepresentationName.Text, this.txtruleIDFldName.Text, this.txtoverrideFldName.Text,
this.rdoRequireShapeOverride.Checked, rules, null);
if ((this.imap_0 != null) && this.chkAddLayer.Checked)
{
IFeatureLayer layer = new FeatureLayerClass
{
FeatureClass = featureClass
};
IFeatureRenderer renderer = new RepresentationRendererClass();
(renderer as IRepresentationRenderer).RepresentationClass = class3;
(layer as IGeoFeatureLayer).Renderer = renderer;
this.imap_0.AddLayer(layer);
(this.imap_0 as IActiveView).Refresh();
}
base.DialogResult = DialogResult.OK;
}
else
{
base.DialogResult = DialogResult.OK;
}
}
catch (COMException exception)
{
switch (exception.ErrorCode)
{
case -2147218682:
MessageBox.Show(exception.Message);
return;
case -2147218675:
MessageBox.Show("该要素类中已存在同名的制图表现");
break;
case -2147218674:
MessageBox.Show("该要素类中已存在同名RuleID字段或Override字段");
break;
}
}
catch (Exception)
{
}
}
}
