void AttachedPropertiesSnippets()
{
//<Snippet27>
InkCanvas.SetTop(button1, 100);
//</Snippet27>
//<Snippet28>
InkCanvas.SetBottom(button1, 100);
//</Snippet28>
//<Snippet29>
InkCanvas.SetLeft(button1, 100);
//</Snippet29>
//<Snippet30>
InkCanvas.SetRight(button1, 100);
//</Snippet30>
//<Snippet31>
double buttonLeft = InkCanvas.GetLeft(button1);
//</Snippet31>
//<Snippet32>
double buttonRight = InkCanvas.GetRight(button1);
//</Snippet32>
//<Snippet33>
double buttonTop = InkCanvas.GetTop(button1);
//</Snippet33>
//<Snippet34>
double buttonBottom = InkCanvas.GetBottom(button1);
//</Snippet34>
}
/// <summary>
/// Canvas computes a position for each of its children taking into account their margin and
/// attached Canvas properties: Top, Left.
///
/// Canvas will also arrange each of its children.
/// This code is same as the Canvas'.
/// </summary>
/// <param name="arrangeSize">Size that Canvas will assume to position children.</param>
protected override Size ArrangeOverride(Size arrangeSize)
{
//Canvas arranges children at their DesiredSize.
//This means that Margin on children is actually respected and added
//to the size of layout partition for a child.
//Therefore, is Margin is 10 and Left is 20, the child's ink will start at 30.
foreach (UIElement child in InternalChildren)
{
if (child == null)
{
continue;
}
double x = 0;
double y = 0;
//Compute offset of the child:
//If Left is specified, then Right is ignored
//If Left is not specified, then Right is used
//If both are not there, then 0
double left = (double)InkCanvas.GetLeft(child);
if (!DoubleUtil.IsNaN(left))
{
x = left;
}
else
{
double right = (double)InkCanvas.GetRight(child);
if (!DoubleUtil.IsNaN(right))
{
x = arrangeSize.Width - child.DesiredSize.Width - right;
}
}
double top = (double)InkCanvas.GetTop(child);
if (!DoubleUtil.IsNaN(top))
{
y = top;
}
else
{
double bottom = (double)InkCanvas.GetBottom(child);
if (!DoubleUtil.IsNaN(bottom))
{
y = arrangeSize.Height - child.DesiredSize.Height - bottom;
}
}
child.Arrange(new Rect(new Point(x, y), child.DesiredSize));
}
return(arrangeSize);
}
// Token: 0x060077AF RID: 30639 RVA: 0x00222714 File Offset: 0x00220914
protected override Size ArrangeOverride(Size arrangeSize)
{
foreach (object obj in base.InternalChildren)
{
UIElement uielement = (UIElement)obj;
if (uielement != null)
{
double x = 0.0;
double y = 0.0;
double num = InkCanvas.GetLeft(uielement);
if (!DoubleUtil.IsNaN(num))
{
x = num;
}
else
{
double num2 = InkCanvas.GetRight(uielement);
if (!DoubleUtil.IsNaN(num2))
{
x = arrangeSize.Width - uielement.DesiredSize.Width - num2;
}
}
double num3 = InkCanvas.GetTop(uielement);
if (!DoubleUtil.IsNaN(num3))
{
y = num3;
}
else
{
double num4 = InkCanvas.GetBottom(uielement);
if (!DoubleUtil.IsNaN(num4))
{
y = arrangeSize.Height - uielement.DesiredSize.Height - num4;
}
}
uielement.Arrange(new Rect(new Point(x, y), uielement.DesiredSize));
}
}
return(arrangeSize);
}
/// <summary>
/// UpdateElementBounds:
/// Called by InkCanvasSelection.UpdateElementBounds
/// ClipboardProcessor.CopySelectionInXAML
/// </summary>
/// <param name="originalElement"></param>
/// <param name="updatedElement"></param>
/// <param name="transform"></param>
internal void UpdateElementBounds(UIElement originalElement, UIElement updatedElement, Matrix transform)
{
if (originalElement.DependencyObjectType.Id == updatedElement.DependencyObjectType.Id)
{
// Get the transform from element to Canvas
GeneralTransform elementToCanvas = originalElement.TransformToAncestor(_inkCanvas.InnerCanvas);
//cast to a FrameworkElement, nothing inherits from UIElement besides it right now
FrameworkElement frameworkElement = originalElement as FrameworkElement;
Size size;
Thickness thickness = new Thickness();
if (frameworkElement == null)
{
// Get the element's render size.
size = originalElement.RenderSize;
}
else
{
size = new Size(frameworkElement.ActualWidth, frameworkElement.ActualHeight);
thickness = frameworkElement.Margin;
}
Rect elementBounds = new Rect(0, 0, size.Width, size.Height); // Rect in element space
elementBounds = elementToCanvas.TransformBounds(elementBounds); // Rect in Canvas space
// Now apply the matrix to the element bounds
Rect newBounds = Rect.Transform(elementBounds, transform);
if (!DoubleUtil.AreClose(elementBounds.Width, newBounds.Width))
{
if (frameworkElement == null)
{
Size newSize = originalElement.RenderSize;
newSize.Width = newBounds.Width;
updatedElement.RenderSize = newSize;
}
else
{
((FrameworkElement)updatedElement).Width = newBounds.Width;
}
}
if (!DoubleUtil.AreClose(elementBounds.Height, newBounds.Height))
{
if (frameworkElement == null)
{
Size newSize = originalElement.RenderSize;
newSize.Height = newBounds.Height;
updatedElement.RenderSize = newSize;
}
else
{
((FrameworkElement)updatedElement).Height = newBounds.Height;
}
}
double left = InkCanvas.GetLeft(originalElement);
double top = InkCanvas.GetTop(originalElement);
double right = InkCanvas.GetRight(originalElement);
double bottom = InkCanvas.GetBottom(originalElement);
Point originalPosition = new Point(); // Default as (0, 0)
if (!double.IsNaN(left))
{
originalPosition.X = left;
}
else if (!double.IsNaN(right))
{
originalPosition.X = right;
}
if (!double.IsNaN(top))
{
originalPosition.Y = top;
}
else if (!double.IsNaN(bottom))
{
originalPosition.Y = bottom;
}
Point newPosition = originalPosition * transform;
if (!double.IsNaN(left))
{
InkCanvas.SetLeft(updatedElement, newPosition.X - thickness.Left); // Left wasn't auto
}
else if (!double.IsNaN(right))
{
// NOTICE-2005/05/05-WAYNEZEN
// Canvas.RightProperty means the distance between element right side and its parent Canvas
// right side. The same definition is applied to Canvas.BottomProperty
InkCanvas.SetRight(updatedElement, (right - (newPosition.X - originalPosition.X))); // Right wasn't not auto
}
else
{
InkCanvas.SetLeft(updatedElement, newPosition.X - thickness.Left); // Both Left and Right were aut. Modify Left by default.
}
if (!double.IsNaN(top))
{
InkCanvas.SetTop(updatedElement, newPosition.Y - thickness.Top); // Top wasn't auto
}
else if (!double.IsNaN(bottom))
{
InkCanvas.SetBottom(updatedElement, (bottom - (newPosition.Y - originalPosition.Y))); // Bottom wasn't not auto
}
else
{
InkCanvas.SetTop(updatedElement, newPosition.Y - thickness.Top); // Both Top and Bottom were aut. Modify Left by default.
}
}
else
{
Debug.Assert(false, "The updatedElement has to be the same type as the originalElement.");
}
}
// Token: 0x06006D82 RID: 28034 RVA: 0x001F7060 File Offset: 0x001F5260
internal void UpdateElementBounds(UIElement originalElement, UIElement updatedElement, Matrix transform)
{
if (originalElement.DependencyObjectType.Id == updatedElement.DependencyObjectType.Id)
{
GeneralTransform generalTransform = originalElement.TransformToAncestor(this._inkCanvas.InnerCanvas);
FrameworkElement frameworkElement = originalElement as FrameworkElement;
Thickness thickness = default(Thickness);
Size renderSize;
if (frameworkElement == null)
{
renderSize = originalElement.RenderSize;
}
else
{
renderSize = new Size(frameworkElement.ActualWidth, frameworkElement.ActualHeight);
thickness = frameworkElement.Margin;
}
Rect rect = new Rect(0.0, 0.0, renderSize.Width, renderSize.Height);
rect = generalTransform.TransformBounds(rect);
Rect rect2 = Rect.Transform(rect, transform);
if (!DoubleUtil.AreClose(rect.Width, rect2.Width))
{
if (frameworkElement == null)
{
Size renderSize2 = originalElement.RenderSize;
renderSize2.Width = rect2.Width;
updatedElement.RenderSize = renderSize2;
}
else
{
((FrameworkElement)updatedElement).Width = rect2.Width;
}
}
if (!DoubleUtil.AreClose(rect.Height, rect2.Height))
{
if (frameworkElement == null)
{
Size renderSize3 = originalElement.RenderSize;
renderSize3.Height = rect2.Height;
updatedElement.RenderSize = renderSize3;
}
else
{
((FrameworkElement)updatedElement).Height = rect2.Height;
}
}
double left = InkCanvas.GetLeft(originalElement);
double top = InkCanvas.GetTop(originalElement);
double right = InkCanvas.GetRight(originalElement);
double bottom = InkCanvas.GetBottom(originalElement);
Point point = default(Point);
if (!double.IsNaN(left))
{
point.X = left;
}
else if (!double.IsNaN(right))
{
point.X = right;
}
if (!double.IsNaN(top))
{
point.Y = top;
}
else if (!double.IsNaN(bottom))
{
point.Y = bottom;
}
Point point2 = point * transform;
if (!double.IsNaN(left))
{
InkCanvas.SetLeft(updatedElement, point2.X - thickness.Left);
}
else if (!double.IsNaN(right))
{
InkCanvas.SetRight(updatedElement, right - (point2.X - point.X));
}
else
{
InkCanvas.SetLeft(updatedElement, point2.X - thickness.Left);
}
if (!double.IsNaN(top))
{
InkCanvas.SetTop(updatedElement, point2.Y - thickness.Top);
return;
}
if (!double.IsNaN(bottom))
{
InkCanvas.SetBottom(updatedElement, bottom - (point2.Y - point.Y));
return;
}
InkCanvas.SetTop(updatedElement, point2.Y - thickness.Top);
}
}