public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication app = commandData.Application;
Document doc = app.ActiveUIDocument.Document;
if (doc.IsFamilyDocument)
{
message = "This command can only be used in a project, not in a family file.";
return(Result.Failed);
}
// get the singleton project info element
Element projInfoElem = LabUtils.GetProjectInfoElem(doc);
if (null == projInfoElem)
{
message = "No project info elem found. Aborting command...";
return(Result.Failed);
}
// For simplicity, access invisible param by name rather than by GUID:
try
{
Parameter param = projInfoElem.LookupParameter(LabConstants.ParamNameInvisible);
// report OLD value
int iOldValue = param.AsInteger();
LabUtils.InfoMsg("OLD value = " + iOldValue.ToString());
using (Transaction tx = new Transaction(doc))
{
tx.Start("Set Parameter Value");
// set and report NEW value
param.Set(iOldValue + 1);
LabUtils.InfoMsg("NEW value = " + param.AsInteger().ToString());
tx.Commit();
}
}
catch (System.Exception e)
{
message = "Failed: " + e.Message;
return(Result.Failed);
}
return(Result.Succeeded);
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication app = commandData.Application;
Document doc = app.ActiveUIDocument.Document;
if (doc.IsFamilyDocument)
{
message = "This command can only be used in a project, not in a family file.";
return(Result.Failed);
}
using (Transaction tx = new Transaction(doc))
{
tx.Start("Create per doc Parameters");
// get the current shared params definition file
DefinitionFile sharedParamsFile = LabUtils.GetSharedParamsFile(app.Application);
if (null == sharedParamsFile)
{
message = "Error getting the shared params file.";
return(Result.Failed);
}
// get or create the shared params group
DefinitionGroup sharedParamsGroup = LabUtils.GetOrCreateSharedParamsGroup(
sharedParamsFile, LabConstants.ParamGroupName);
if (null == sharedParamsGroup)
{
message = "Error getting the shared params group.";
return(Result.Failed);
}
// visible param
Definition docParamDefVisible = LabUtils.GetOrCreateSharedParamsDefinition(
sharedParamsGroup, ParameterType.Integer, LabConstants.ParamNameVisible, true);
if (null == docParamDefVisible)
{
message = "Error creating visible per-doc parameter.";
return(Result.Failed);
}
// invisible param
Definition docParamDefInvisible = LabUtils.GetOrCreateSharedParamsDefinition(
sharedParamsGroup, ParameterType.Integer, LabConstants.ParamNameInvisible, false);
if (null == docParamDefInvisible)
{
message = "Error creating invisible per-doc parameter.";
return(Result.Failed);
}
// bind the param
try
{
CategorySet catSet = app.Application.Create.NewCategorySet();
catSet.Insert(doc.Settings.Categories.get_Item(
BuiltInCategory.OST_ProjectInformation));
Binding binding = app.Application.Create.NewInstanceBinding(catSet);
doc.ParameterBindings.Insert(docParamDefVisible, binding);
doc.ParameterBindings.Insert(docParamDefInvisible, binding);
}
catch (Exception e)
{
message = "Error binding shared parameter: " + e.Message;
return(Result.Failed);
}
// set the initial values
// get the singleton project info element
Element projInfoElem = LabUtils.GetProjectInfoElem(doc);
if (null == projInfoElem)
{
message = "No project info element found. Aborting command...";
return(Result.Failed);
}
// For simplicity, access params by name rather than by GUID
// and simply the first best one found under that name:
projInfoElem.LookupParameter(LabConstants.ParamNameVisible).Set(55);
projInfoElem.LookupParameter(LabConstants.ParamNameInvisible).Set(0);
tx.Commit();
}
return(Result.Succeeded);
}
