4
class MyLine : Shape {
public static readonly DependencyProperty X11Property;
public static readonly DependencyProperty X22Property;
public static readonly DependencyProperty Y11Property;
public static readonly DependencyProperty Y22Property;
static MyLine() {
X11Property = DependencyProperty.Register("X11", typeof(double), typeof(MyLine), new UIPropertyMetadata(double.NaN));
X22Property = DependencyProperty.Register("X22", typeof(double), typeof(MyLine), new UIPropertyMetadata(double.NaN));
Y11Property = DependencyProperty.Register("Y11", typeof(double), typeof(MyLine), new UIPropertyMetadata(double.NaN));
Y22Property = DependencyProperty.Register("Y22", typeof(double), typeof(MyLine), new UIPropertyMetadata(double.NaN));
}
[TypeConverter(typeof(LengthConverter))]
public double X11 { get { return (double)GetValue(X11Property); } set { SetValue(X11Property, value); } }
[TypeConverter(typeof(LengthConverter))]
public double X22 { get { return (double)GetValue(X22Property); } set { SetValue(X22Property, value); } }
[TypeConverter(typeof(LengthConverter))]
public double Y11 { get { return (double)GetValue(Y11Property); } set { SetValue(Y11Property, value); } }
[TypeConverter(typeof(LengthConverter))]
public double Y22 { get { return (double)GetValue(Y22Property); } set { SetValue(Y22Property, value); } }
protected override System.Windows.Media.Geometry DefiningGeometry {
get {
var geometryGroup = new GeometryGroup();
// Add line
geometryGroup.Children.Add(new LineGeometry(new Point(X11, Y11), new Point(X22, Y22)));
return geometryGroup;
}
}
}
爲什麼當我更新WPF設計器(VS 2010)中的「myLine」座標時,它不會自動更新它(實時)?DependencyProperty和WPF設計器
當使用默認的「Line」WPF對象時,它們在XAML代碼在XAML/Design視圖中被更改(編輯)時自動更新。
...很酷。工作。謝謝! – serhio 2010-09-22 15:01:07