/// <summary>
/// 创建尺寸约束
/// </summary>
/// <param name="rectangle"></param>
/// <param name="center"></param>
/// <param name="i"></param>
private void SetSketch(Line[] rectangle, Line[] center, string width)
{
Point3d dimOrigin = new Point3d(0, 0, 0);
Expression ex1 = SketchUtils.CreateDim(center[0], rectangle[0], dimOrigin, NXOpen.Annotations.DimensionMeasurementBuilder.MeasurementMethod.Vertical, InferSnapType.SnapType.Origin);
Expression ex2 = SketchUtils.CreateDim(center[0], rectangle[2], dimOrigin, NXOpen.Annotations.DimensionMeasurementBuilder.MeasurementMethod.Vertical, InferSnapType.SnapType.Origin);
ex1.RightHandSide = "PreparationY/2-" + width;
ex2.RightHandSide = "PreparationY/2-" + width;
Expression ex3 = SketchUtils.CreateDim(center[1], rectangle[1], dimOrigin, NXOpen.Annotations.DimensionMeasurementBuilder.MeasurementMethod.Horizontal, InferSnapType.SnapType.Origin);
Expression ex4 = SketchUtils.CreateDim(center[1], rectangle[3], dimOrigin, NXOpen.Annotations.DimensionMeasurementBuilder.MeasurementMethod.Horizontal, InferSnapType.SnapType.Origin);
ex3.RightHandSide = "PreparationX/2-" + width;
ex4.RightHandSide = "PreparationX/2-" + width;
}