public static void getLineGroup()
{
// Get the TransactionManager
TransactionManager tm =
AcadApp.DocumentManager.MdiActiveDocument.Database.TransactionManager;
// Get the AutoCAD editor
Editor ed = AcadApp.DocumentManager.MdiActiveDocument.Editor;
//
PromptEntityOptions pmtEntOpts = new PromptEntityOptions("Select a LineSegment: ");
PromptEntityResult pmtEntRes = ed.GetEntity(pmtEntOpts);
if (pmtEntRes.Status == PromptStatus.OK)
{
ObjectId entId = pmtEntRes.ObjectId;
// 2.1 Use the using statement and start a transaction
// Use the transactionManager created above (tm)
// Note: Put the closing curly brace after step 2.14
using (Transaction tr = tm.StartTransaction())
{
// 2.2 Declare a variable as a LineSegment. Instantiate
// it by making it equal to the GetObject method of the transaction
// from step 2.1. Cast it is a (LineSegment) and open it for read
// use the ObjectId from above (entID) for the ObjectId parameter.
LineSegment sline = (LineSegment)tm.GetObject(entId, OpenMode.ForRead);
// 2.3 Test to see if the LineSegment from step 2.2 is null. If it
// is null return.
if (sline == null)
{
return;
}
// 2.4 Declare a variable as a LineStyle. Instantiate
// it by making it equal to the GetOjbect method of the transaction
// from step 2.1. Cast it is a (LineStyle). Use the StyleID property
// of the LineSegment from step 2.2 and open it for read
LineStyle linestyle = (LineStyle)tm.GetObject(sline.StyleID, OpenMode.ForRead, true);
// 2.5 Create a string variable make it equal to this:
// "\nLineStyle: " +
// linestyle.Name; sMsg += "\n " +
// linestyle.FlagType; sMsg += "\n " +
// linestyle.GapPriority; sMsg += "\n " +
// linestyle.ShowFlowDirection ; sMsg += "\n";
// Note: change "lineStyle" to the variable used in step 2.4
string sMsg = "\nLineStyle: " +
linestyle.Name; sMsg += "\n " +
linestyle.FlagType; sMsg += "\n " +
linestyle.GapPriority; sMsg += "\n " +
linestyle.ShowFlowDirection; sMsg += "\n";
// 2.6 Use the WriteMessage of the Editor declared above (ed)
// to put the string from step 2.5 on the command line
// pass in the string
ed.WriteMessage(sMsg);
// 2.7 Declare a variable as a LineGroupManager and get the line group id
// and assign it to variable lineGroupId.
LineGroupManager lineGroupMgr = new LineGroupManager();
int lineGroupId = lineGroupMgr.GroupId(entId);
// 2.8 use the string variable from step 2.5, make it equal to this:
// "\nLineGroup: " + lineGroupId.ToString() + " (" + type.ToString() + ")";
// Create the type variable first and assign it.
GroupType type = lineGroupMgr.Type(lineGroupId);
sMsg = "\nLineGroup: " + lineGroupId.ToString() + " (" + type.ToString() + ")";
// 2.9 Add to the string variable from step 2.8. (use +=)
// add the string "\n LineSegments: " plus the Count property
// of the LineSegments of the LineGroup from step 2.7
sMsg += "\n LineSegments: " + lineGroupMgr.Count(lineGroupId);
// 2.10 Use the WriteMessage of the Editor declared above (ed)
// to put the string from step 2.8 and 2.9 on the command line
// pass in the string
ed.WriteMessage(sMsg);
// 2.11 use a foreach loop and iterate through the ObjectId of the
// LineSegments of the LineGroup from step 2.7 (use the LineDbIds
// property)
// Note: Put the closing curly brace after step 2.14
foreach (ObjectId lsId in lineGroupMgr.LineDbIds(lineGroupId))
{
// 2.12 Declare a LineSegment variable and instantiate it using
// the transaction from step 1.4. Use the ObjectId from the
// loop (step 2.11) Open it for read.
LineSegment ls = (LineSegment)tm.GetObject(lsId, OpenMode.ForRead);
// 2.13 make the string variable from step 2.5 equal to this string:
// "\n LineSegment: " plus the ClassName property of the LineSegment
// from step 2.12 plus this string " ,Vertices 0 - x,y,z " plus
// the Vertices(0).ToString()
sMsg = "\n LineSegment: " + ls.ClassName + " ,Vertices 0 - x,y,z " + ls.Vertices[0].ToString();
// 2.14 Use the WriteMessage of the Editor declared above (ed)
// to put the string from steps 2.13 the command line
// pass in the string
ed.WriteMessage(sMsg);
// Build and test the code. (run command "LineGroup", you should see
// details about the Line Segments on the command line.
// Continue to step 2.15 in the lineObjectsAndStylesAccess function
}
}
}
}
public static void getLineGroup()
{
// Get the TransactionManager
TransactionManager tm =
AcadApp.DocumentManager.MdiActiveDocument.Database.TransactionManager;
// Get the AutoCAD editor
Editor ed = AcadApp.DocumentManager.MdiActiveDocument.Editor;
//
PromptEntityOptions pmtEntOpts = new PromptEntityOptions("Select a LineSegment: ");
PromptEntityResult pmtEntRes = ed.GetEntity(pmtEntOpts);
if (pmtEntRes.Status == PromptStatus.OK)
{
ObjectId entId = pmtEntRes.ObjectId;
// 2.1 Use the using statement and start a transaction
// Use the transactionManager created above (tm)
// Note: Put the closing curly brace after step 2.14
using (Transaction tr = tm.StartTransaction())
{
// 2.2 Declare a variable as a LineSegment. Instantiate
// it by making it equal to the GetObject method of the transaction
// from step 2.1. Cast it is a (LineSegment) and open it for read
// use the ObjectId from above (entID) for the ObjectId parameter.
LineSegment sline = (LineSegment)tm.GetObject(entId, OpenMode.ForRead);
// 2.3 Test to see if the LineSegment from step 2.2 is null. If it
// is null return.
if (sline == null) return;
// 2.4 Declare a variable as a LineStyle. Instantiate
// it by making it equal to the GetOjbect method of the transaction
// from step 2.1. Cast it is a (LineStyle). Use the StyleID property
// of the LineSegment from step 2.2 and open it for read
LineStyle linestyle = (LineStyle)tm.GetObject(sline.StyleID, OpenMode.ForRead, true);
// 2.5 Create a string variable make it equal to this:
// "\nLineStyle: " +
// linestyle.Name; sMsg += "\n " +
// linestyle.FlagType; sMsg += "\n " +
// linestyle.GapPriority; sMsg += "\n " +
// linestyle.ShowFlowDirection ; sMsg += "\n";
// Note: change "lineStyle" to the variable used in step 2.4
string sMsg = "\nLineStyle: " +
linestyle.Name; sMsg += "\n " +
linestyle.FlagType; sMsg += "\n " +
linestyle.GapPriority; sMsg += "\n " +
linestyle.ShowFlowDirection; sMsg += "\n";
// 2.6 Use the WriteMessage of the Editor declared above (ed)
// to put the string from step 2.5 on the command line
// pass in the string
ed.WriteMessage(sMsg);
// 2.7 Declare a variable as a LineGroupManager and get the line group id
// and assign it to variable lineGroupId.
LineGroupManager lineGroupMgr = new LineGroupManager();
int lineGroupId = lineGroupMgr.GroupId(entId);
// 2.8 use the string variable from step 2.5, make it equal to this:
// "\nLineGroup: " + lineGroupId.ToString() + " (" + type.ToString() + ")";
// Create the type variable first and assign it.
GroupType type = lineGroupMgr.Type(lineGroupId);
sMsg = "\nLineGroup: " + lineGroupId.ToString() + " (" + type.ToString() + ")";
// 2.9 Add to the string variable from step 2.8. (use +=)
// add the string "\n LineSegments: " plus the Count property
// of the LineSegments of the LineGroup from step 2.7
sMsg += "\n LineSegments: " + lineGroupMgr.Count(lineGroupId);
// 2.10 Use the WriteMessage of the Editor declared above (ed)
// to put the string from step 2.8 and 2.9 on the command line
// pass in the string
ed.WriteMessage(sMsg);
// 2.11 use a foreach loop and iterate through the ObjectId of the
// LineSegments of the LineGroup from step 2.7 (use the LineDbIds
// property)
// Note: Put the closing curly brace after step 2.14
foreach (ObjectId lsId in lineGroupMgr.LineDbIds(lineGroupId))
{
// 2.12 Declare a LineSegment variable and instantiate it using
// the transaction from step 1.4. Use the ObjectId from the
// loop (step 2.11) Open it for read.
LineSegment ls = (LineSegment)tm.GetObject(lsId, OpenMode.ForRead);
// 2.13 make the string variable from step 2.5 equal to this string:
// "\n LineSegment: " plus the ClassName property of the LineSegment
// from step 2.12 plus this string " ,Vertices 0 - x,y,z " plus
// the Vertices(0).ToString()
sMsg = "\n LineSegment: " + ls.ClassName + " ,Vertices 0 - x,y,z " + ls.Vertices[0].ToString();
// 2.14 Use the WriteMessage of the Editor declared above (ed)
// to put the string from steps 2.13 the command line
// pass in the string
ed.WriteMessage(sMsg);
// Build and test the code. (run command "LineGroup", you should see
// details about the Line Segments on the command line.
// Continue to step 2.15 in the lineObjectsAndStylesAccess function
}
}
}
}
