public static void ModifyingMLineStyles()
{
DxfDocument doc = new DxfDocument(DxfVersion.AutoCad2010);
doc.DrawingVariables.LtScale = 10;
List<Vector2> vertexes = new List<Vector2>
{
new Vector2(0, 0),
new Vector2(0, 150),
new Vector2(150, 150),
new Vector2(150, 0)
};
MLine mline = new MLine(vertexes);
mline.Scale = 20;
mline.Justification = MLineJustification.Zero;
MLineStyle style = new MLineStyle("MyStyle", "Personalized style.");
style.Elements.Add(new MLineStyleElement(0.25));
style.Elements.Add(new MLineStyleElement(-0.25));
// if we add new elements directly to the list we need to sort the list,
style.Elements.Sort();
style.Flags = MLineStyleFlags.EndInnerArcsCap | MLineStyleFlags.EndRoundCap | MLineStyleFlags.StartInnerArcsCap | MLineStyleFlags.StartRoundCap;
// AutoCad2000 dxf version does not support true colors for MLineStyle elements
style.Elements[0].Color = new AciColor(180, 230, 147);
doc.AddEntity(mline);
// change the multi line style after it has been added to the document
mline.Style = style;
Debug.Assert(ReferenceEquals(mline.Style, doc.MlineStyles[mline.Style.Name]), "Reference not equals.");
// VERY IMPORTANT: We have modified the MLine after setting its vertexes so we need to manually call this method.
// It is also necessary when manually editing the vertex distances.
mline.Update();
// the line type will be automatically added to the document
foreach (MLineStyleElement e in style.Elements)
{
// making changes after the MLineStyle has been added to the document
e.LineType = LineType.Dashed;
Debug.Assert(ReferenceEquals(e.LineType, doc.LineTypes[e.LineType.Name]), "Reference not equals.");
}
MLine copy = (MLine) mline.Clone();
copy.Scale = 100;
doc.AddEntity(copy);
// once the entity has been added to the document, changing its style requires that the new style is also present in the document.
copy.Style = doc.MlineStyles["standard"];
// VERY IMPORTANT: We have modified the MLine after setting its vertexes so we need to manually call this method.
// It is also necessary when manually editing the vertex distances.
copy.Update();
doc.Save("ModifyingMLineStyle.dxf");
Test("ModifyingMLineStyle.dxf");
}
