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);
}
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;
}