Пример #1
0
        public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            // Return the value if the value is not of type Int32, Double and Single.
            bool isVector;

            if (value == null)
            {
                object[] objs = context.Instance as object[];
                if (objs != null)
                {
                    value =
                        objs[objs.Length - 1].GetType()
                        .GetProperty(context.PropertyDescriptor.Name)
                        .GetValue(objs[objs.Length - 1], null);
                }
            }
            if (value.GetType() != typeof(Vector3D) && value.GetType() != typeof(Point3D))
            {
                throw new Exception("Invalid value! \r\n The value must be a Point3D or Vector3D");
            }
            else if (value.GetType() == typeof(Vector3D))
            {
                isVector = true;
            }
            else
            {
                isVector = false;
            }
            // Uses the IWindowsFormsEditorService to display a
            // drop-down UI in the Properties window.
            IWindowsFormsEditorService edSvc =
                (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));

            if (edSvc != null)
            {
                // Display an angle selection control and retrieve the value.
                VectorPoint3DControl pointVecCrtl = new VectorPoint3DControl();
                if (isVector)
                {
                    pointVecCrtl.Vector3D = (Vector3D)value;
                    edSvc.DropDownControl(pointVecCrtl);
                    return(pointVecCrtl.Vector3D);
                }
                else
                {
                    pointVecCrtl.Point3D = (Point3D)value;
                    edSvc.DropDownControl(pointVecCrtl);
                    return(pointVecCrtl.Point3D);
                }
            }
            return(value);
        }
Пример #2
0
 public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
 {
     // Return the value if the value is not of type Int32, Double and Single.
     bool isVector;
     if (value == null) {
         object[] objs = context.Instance as object[];
         if (objs != null) {
             value =
                 objs[objs.Length - 1].GetType()
                                      .GetProperty(context.PropertyDescriptor.Name)
                                      .GetValue(objs[objs.Length - 1], null);
         }
     }
     if (value.GetType() != typeof (Vector3D) && value.GetType() != typeof (Point3D)) {
         throw new Exception("Invalid value! \r\n The value must be a Point3D or Vector3D");
     } else if (value.GetType() == typeof (Vector3D)) {
         isVector = true;
     } else {
         isVector = false;
     }
     // Uses the IWindowsFormsEditorService to display a
     // drop-down UI in the Properties window.
     IWindowsFormsEditorService edSvc =
         (IWindowsFormsEditorService) provider.GetService(typeof (IWindowsFormsEditorService));
     if (edSvc != null) {
         // Display an angle selection control and retrieve the value.
         VectorPoint3DControl pointVecCrtl = new VectorPoint3DControl();
         if (isVector) {
             pointVecCrtl.Vector3D = (Vector3D) value;
             edSvc.DropDownControl(pointVecCrtl);
             return pointVecCrtl.Vector3D;
         } else {
             pointVecCrtl.Point3D = (Point3D) value;
             edSvc.DropDownControl(pointVecCrtl);
             return pointVecCrtl.Point3D;
         }
     }
     return value;
 }