本文整理汇总了C#中System.Windows.Media.PointHitTestParameters.SetHitPoint方法的典型用法代码示例。如果您正苦于以下问题：C# PointHitTestParameters.SetHitPoint方法的具体用法？C# PointHitTestParameters.SetHitPoint怎么用？C# PointHitTestParameters.SetHitPoint使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Media.PointHitTestParameters的用法示例。
在下文中一共展示了PointHitTestParameters.SetHitPoint方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: HitTestPoint
//.........这里部分代码省略.........
}
}
else
{
Debug.Assert(BitmapEffectStateField.GetValue(this) != null);
// BitmapEffects are deprecated so they no longer affect hit testing.
}
}
//
// Hit test against the children.
//
if (filter != HitTestFilterBehavior.ContinueSkipChildren)
{
int childCount = VisualChildrenCount;
for (int i=childCount-1; i>=0; i--)
{
Visual child = GetVisualChild(i);
if (child != null)
{
// Hit the scollClip bounds first, which are in the child's outer-space.
Rect? scrollClip = ScrollableAreaClipField.GetValue(child);
if (scrollClip.HasValue && !scrollClip.Value.Contains(hitPoint))
{
// Skip child if the point is not within the ScrollableClip.
continue;
}
//
// Transform the hit-test point below offset and transform.
//
Point newHitPoint = hitPoint;
// Apply the offset.
newHitPoint = newHitPoint - child._offset;
// If we have a transform, apply the transform.
Transform childTransform = TransformField.GetValue(child);
if (childTransform != null)
{
Matrix inv = childTransform.Value;
// If we can't invert the transform, the child is not hitable. This makes sense since
// the node's rendered content is degenerate, i.e. does not really take up any space.
// Skip the child by continuing in the loop.
if (!inv.HasInverse)
{
continue;
}
inv.Invert();
newHitPoint = newHitPoint * inv;
}
// Set the new hittesting point into the hittest params.
pointParams.SetHitPoint(newHitPoint);
// Perform the hit-test against the child.
HitTestResultBehavior result =
child.HitTestPoint(filterCallback, resultCallback, pointParams);
// Restore the hit-test point.
pointParams.SetHitPoint(originalHitPoint);
if (result == HitTestResultBehavior.Stop)
{
return HitTestResultBehavior.Stop;
}
}
}
}
//
// Hit test against the content of this Visual.
//
if (filter != HitTestFilterBehavior.ContinueSkipSelf)
{
// set the transformed hit point
pointParams.SetHitPoint(hitPoint);
HitTestResultBehavior result = HitTestPointInternal(filterCallback, resultCallback, pointParams);
// restore the hit point back to its original
pointParams.SetHitPoint(originalHitPoint);
if (result == HitTestResultBehavior.Stop)
{
return HitTestResultBehavior.Stop;
}
}
}
return HitTestResultBehavior.Continue;
}