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using System;
using System.Xml.Serialization;
using System.ComponentModel;
namespace go
{
public class NumericControl : GraphicObject
{
#region CTOR
public NumericControl () : base()
{
}
public NumericControl(double minimum, double maximum, double step)
: base()
{
_minValue = minimum;
_maxValue = maximum;
_smallStep = step;
_bigStep = step * 5;
}
#endregion
#region event handlers
public EventHandler<ValueChangeEventArgs> ValueChanged;
public virtual void onValueChanged(object sender, ValueChangeEventArgs e)
{
ValueChanged.Raise (sender, e);
}
#endregion
#region private fields
double _actualValue, _minValue, _maxValue, _smallStep, _bigStep;
#endregion
#region public properties
[XmlAttributeAttribute()][DefaultValue(0)]
public virtual double Minimum {
get { return _minValue; }
set {
if (_minValue == value)
return;
_minValue = value;
}
}
[XmlAttributeAttribute()][DefaultValue(10.0)]
public virtual double Maximum
{
get { return _maxValue; }
set {
if (_maxValue == value)
return;
_maxValue = value;
}
}
[XmlAttributeAttribute()][DefaultValue(0.5)]
public virtual double SmallIncrement
{
get { return _smallStep; }
set {
if (_smallStep == value)
return;
_smallStep = value;
}
}
[XmlAttributeAttribute()][DefaultValue(2.0)]
public virtual double LargeIncrement
{
get { return _bigStep; }
set {
if (_bigStep == value)
return;
_bigStep = value;
}
}
[XmlAttributeAttribute()][DefaultValue(0)]
public double Value
{
get { return _actualValue; }
set
{
if (value == _actualValue)
return;
Decimal oldV = (Decimal)_actualValue;
if (value < _minValue)
_actualValue = _minValue;
else if (value > _maxValue)
_actualValue = _maxValue;
else
_actualValue = value;
onValueChanged(this,new ValueChangeEventArgs(oldV,(Decimal)_actualValue));
registerForGraphicUpdate();
}
}
#endregion
}
}
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