private static void OnMinorScaleCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
IndicatorMeter owner = d as IndicatorMeter;
/* 属性更改后需要立刻重绘刻度 */
owner.DrawScale(owner.PrimaryScaleRaduisInner, owner.PrimaryScaleRadiusOuter, owner.PrimaryScaleCount, owner.MinorScaleRadiusInner, owner.MinorScaleRadiusOuter, owner.MinorScaleCount, owner.PrimaryScaleStartAngle, owner.PrimaryScaleEndAngle, owner.PrimaryScaleWitdh, owner.PrimaryScaleBackground);
}
private static void OnMaxChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
IndicatorMeter owner = d as IndicatorMeter;
if (owner.Max <= owner.Min)
{
owner.Max = owner.Min;
return;
}
if (owner.Max < owner.IndicatorValue)
{
owner.IndicatorValue = owner.Max;
}
if (owner.Max < owner.RangeBarMax)
{
owner.RangeBarMax = owner.Max;
}
/* 属性更改后需要立刻重绘刻度 */
owner.DrawScale(owner.PrimaryScaleRaduisInner, owner.PrimaryScaleRadiusOuter, owner.PrimaryScaleCount, owner.MinorScaleRadiusInner, owner.MinorScaleRadiusOuter, owner.MinorScaleCount, owner.PrimaryScaleStartAngle, owner.PrimaryScaleEndAngle, owner.PrimaryScaleWitdh, owner.PrimaryScaleBackground);
// 更改Indicator Bar颜色
owner.ChangeIndicatorBarBackground();
}
private static void OnPrimaryScaleRaduisInnerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
IndicatorMeter owner = d as IndicatorMeter;
double val = (double)e.NewValue;
/* 如果内圈半径大于外圈半径，则令内圈半径等于外圈半径 */
if (val >= owner.PrimaryScaleRadiusOuter)
{
owner.PrimaryScaleRaduisInner = owner.PrimaryScaleRadiusOuter;
return;
}
else
{
/* 属性更改后需要立刻重绘刻度 */
owner.DrawScale(owner.PrimaryScaleRaduisInner, owner.PrimaryScaleRadiusOuter, owner.PrimaryScaleCount, owner.MinorScaleRadiusInner, owner.MinorScaleRadiusOuter, owner.MinorScaleCount, owner.PrimaryScaleStartAngle, owner.PrimaryScaleEndAngle, owner.PrimaryScaleWitdh, owner.PrimaryScaleBackground);
}
}