/// <summary>
/// Set property value and notify dependend property changes
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="U"></typeparam>
/// <param name="value"></param>
/// <param name="newvalue"></param>
/// <param name="name"></param>
/// <param name="depend1"></param>
/// <param name="getter1"></param>
/// <returns></returns>
protected virtual bool SetPropertyValue <T, U>(ref T value, T newvalue, string name, string depend1, Func <U> getter1)
{
// must have changed
if (Object.Equals(value, newvalue))
{
return(false);
}
// create event arguments
var args1 = new PropertyValueChangingEventArgs(name, value, newvalue);
var args2 = new PropertyValueChangedEventArgs(name, value, newvalue);
// signal property change
OnPropertyChange(name, value, newvalue);
// get old value
U oldvalue1 = getter1();
// signal about to change
OnPropertyChanging(this, args1);
value = newvalue;
OnPropertyChanged(this, args2);
// feedback dependent property
SetPropertyValue(oldvalue1, getter1(), depend1, null);
// return OK
return(true);
}
private void advPropertyGrid1_PropertyValueChanging(object sender, PropertyValueChangingEventArgs e)
{
//var item = GetObjAndField(e.PropertyPath);
//var obj= item.Item1;
//var propertyName = item.Item2;
if (e.PropertyName.EqualIgnoreCase("ModularDevices"))
{
var ModularDeviceID = ModularDevice.FindAllByName(e.NewValue.ToString())[0].ID;
selectObj.Item1.SetItem("ModularDeviceID", ModularDeviceID);
}
else if (e.PropertyName.EqualIgnoreCase("Sensors"))
{
var SensorId = Sensor.FindAllByName("name", e.NewValue, null, 0, 0)[0].ID;
selectObj.Item1.SetItem("SensorId", SensorId);
}
else if (e.PropertyName.EqualIgnoreCase("ControlJobTypes"))
{
var ControlJobTypeId = ControlJobType.FindAllByName("name", e.NewValue, null, 0, 0)[0].Id;
selectObj.Item1.SetItem("ControlJobTypeId", ControlJobTypeId);
}
else if (e.PropertyName.EqualIgnoreCase("RelayTypes"))
{
var RelayTypeId = RelayType.FindAllByName("name", e.NewValue, null, 0, 0)[0].Id;
selectObj.Item1.SetItem("RelayTypeId", RelayTypeId);
}
else if (e.PropertyName.EqualIgnoreCase("DeviceTypes"))
{
var DeviceTypeSerialnum = DeviceType.FindAllByName("name", e.NewValue, null, 0, 0)[0].Serialnum;
selectObj.Item1.SetItem("DeviceTypeSerialnum", DeviceTypeSerialnum);
}
else if (e.PropertyName.EqualIgnoreCase("ShowDeviceTypes"))
{
var ShowDeviceTypeID = ShowDeviceType.FindAllByName("name", e.NewValue, null, 0, 0)[0].ID;
selectObj.Item1.SetItem("ShowDeviceTypeID", ShowDeviceTypeID);
}
else if (e.PropertyName.EqualIgnoreCase("CommunicateDevices"))
{
var CommunicateDeviceID = CommunicateDevice.FindAllByName("name", e.NewValue, null, 0, 0)[0].ID;
selectObj.Item1.SetItem("CommunicateDeviceID", CommunicateDeviceID);
}
else if (e.PropertyName.EqualIgnoreCase("Farms"))
{
var FarmID = Farm.FindAllByName("name", e.NewValue, null, 0, 0)[0].ID;
selectObj.Item1.SetItem("FarmID", FarmID);
}
else if (e.PropertyName.EqualIgnoreCase("FacilityTypes"))
{
var FacilityTypeSerialnum = FacilityType.FindAllByName("name", e.NewValue, null, 0, 0)[0].Serialnum;
selectObj.Item1.SetItem("FacilityTypeSerialnum", FacilityTypeSerialnum);
}
else
{
selectObj.Item1.SetItem(e.PropertyName, e.NewValue);
}
}
public void Explore()
{
IValueEventArgs <int> value = new ValueEventArgs <int>(1);
value = Args.Value(1);
var multi = new MultiEventArgs <int, string>(1, "1");
multi = Args.Value(1, "1");
IMutableValueEventArgs <decimal> mutable = new MutableValueEventArgs <decimal> {
Value = 1m
};
mutable = Args.Mutable(1m);
var changed = new PropertyValueChangedEventArgs <int>("prop", 2, 3);
changed = Args.Changed("prop", 2, 3);
var indexed = new ValueIndexChangedEventArgs <string>(2, "old", "new");
indexed = Args.Changed(2, "old", "new");
var changing = new PropertyValueChangingEventArgs <int>("prop", 2, 3);
changing = Args.Changing("prop", 2, 3);
var indexing = new ValueIndexChangingEventArgs <string>(2, "old", "new");
indexing = Args.Changing(2, "old", "new");
ICancelEventArgs cancel = new ValueIndexCancelEventArgs <string>(2, "value");
cancel = Args.Cancel(2, "value");
IIndexEventArgs index = new ValueIndexEventArgs <string>(2, "value");
index = Args.Index(2, "value");
IChainedEventArgs chained = new ChainedEventArgs();
chained = Args.Chained();
}
/// <summary>
/// Set new virtual property value
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="oldvalue"></param>
/// <param name="newvalue"></param>
/// <param name="name"></param>
/// <param name="setter"></param>
/// <returns></returns>
protected virtual bool SetPropertyValue <T>(T oldvalue, T newvalue, string name, Action <T> setter)
{
// must have changed
if (Object.Equals(oldvalue, newvalue))
{
return(false);
}
// create event arguments
var args1 = new PropertyValueChangingEventArgs(name, oldvalue, newvalue);
var args2 = new PropertyValueChangedEventArgs(name, oldvalue, newvalue);
// signal property change
OnPropertyChange(name, oldvalue, newvalue);
// signal about to change
OnPropertyChanging(this, args1);
setter?.Invoke(newvalue);
OnPropertyChanged(this, args2);
// return OK
return(true);
}
/// <summary>
/// Set new property value
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <param name="newvalue"></param>
/// <param name="name"></param>
protected virtual bool SetPropertyValue <T>(ref T value, T newvalue, [CallerMemberName] string name = null)
{
// must have changed
if (Object.Equals(value, newvalue))
{
return(false);
}
// create event arguments
var args1 = new PropertyValueChangingEventArgs(name, value, newvalue);
var args2 = new PropertyValueChangedEventArgs(name, value, newvalue);
// signal property change
OnPropertyChange(name, value, newvalue);
// signal about to change
OnPropertyChanging(this, args1);
value = newvalue;
OnPropertyChanged(this, args2);
// return OK
return(true);
}
private void propertyBill_PropertyValueChanging(object sender, PropertyValueChangingEventArgs e)
{
//e.Handled = true;
}
private void propertyBill_PropertyValueChanging(object sender, PropertyValueChangingEventArgs e)
{
}
