//var options = ApplicationOptions.EditingOptions;
QueuedTask.Run(() =>
{
//change the regular unselected vertex symbol
//default is a green, hollow, square, 5pts. Change to
//Blue outline diamond, 10 pts
var vertexSymbol = new VertexSymbolOptions(VertexSymbolType.RegularUnselected);
vertexSymbol.OutlineColor = ColorFactory.Instance.BlueRGB;
vertexSymbol.MarkerType = VertexMarkerType.Diamond;
vertexSymbol.Size = 10;
//Are these valid?
if (options.CanSetVertexSymbolOptions(
VertexSymbolType.RegularUnselected, vertexSymbol)) {
//apply them
options.SetVertexSymbolOptions(VertexSymbolType.RegularUnselected, vertexSymbol);
}
});