public static object MinValueCoerceValueCallback(DependencyObject d, object baseValue)
{
DragInput dragInput = d as DragInput;
double min = (double)baseValue;
return(min > dragInput.MaxValue ? dragInput.MaxValue : min);
}
//Not using this way because coerced value does not update the source of binding
public static object ValueCoerceValueCallback(DependencyObject d, object baseValue)
{
DragInput dragInput = d as DragInput;
double val;
if (double.TryParse(baseValue == null ? "0" : baseValue.ToString(), out val))
{
val = val > dragInput.MaxValue ? dragInput.MaxValue : (val < dragInput.MinValue ? dragInput.MinValue : val);
}
return(string.Format("{0:F" + dragInput.Precision + "}", val));
}
public static void ValuePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DragInput dragInput = d as DragInput;
double val;
string strVal = e.NewValue == null ? "0" : e.NewValue.ToString();
if (double.TryParse(strVal, out val))
{
val = val > dragInput.MaxValue ? dragInput.MaxValue : val < dragInput.MinValue ? dragInput.MinValue : val;
}
string formattedVal = string.Format("{0:F" + dragInput.Precision + "}", val);
if (strVal != formattedVal)
{
dragInput.Value = formattedVal;
}
}
