/// <summary>
/// WPF provides us with ready to use data when we try to overscroll; Unfortunately MSDN documentation on this is a bit lacking
/// e.BoundaryFeedback.Translation signifies the amount by which we are overscrolling
/// </summary>
/// <param name="e"></param>
protected override void OnManipulationBoundaryFeedback(ManipulationBoundaryFeedbackEventArgs e)
{
if (_disableManipulationCount > 0)
{
return;
}
//Square root is a simple function that gives a decreasing growth characteristic
if (e.BoundaryFeedback.Translation.Y != 0)
{
StretchLengthY = Math.Sqrt(Math.Abs(e.BoundaryFeedback.Translation.Y * Elasticity));
}
else
{
ResetY();
}
if (e.BoundaryFeedback.Translation.X != 0)
{
StretchLengthX = Math.Sqrt(Math.Abs(e.BoundaryFeedback.Translation.X * Elasticity));
}
else
{
ResetX();
}
Transform.Y = StretchLengthY = e.BoundaryFeedback.Translation.Y > 0 ? StretchLengthY : -StretchLengthY;
Transform.X = StretchLengthX = e.BoundaryFeedback.Translation.X > 0 ? StretchLengthX : -StretchLengthX;
//If not handled, default WPF behaviour of window shake will occur in conjuction with this
// if (!RaiseParent(e))
{
e.Handled = true;
}
}
private void ManipulationBoundaryFeedbackHandler(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
System.Diagnostics.Debug.WriteLine("Feedback: {0} sender: {1} Source: {2}", e.BoundaryFeedback.Translation, sender.GetType(), e.Source.GetType());
FrameworkElement element = sender as FrameworkElement;
element.RenderTransform = new TranslateTransform(e.BoundaryFeedback.Translation.X, e.BoundaryFeedback.Translation.Y);
e.Handled = true;
}
/// <summary>
/// Called when either the control's content or the <see cref="FeedbackProvider"/>
/// emits the <see cref="UIElement.ManipulationBoundaryFeedback"/> event.
/// This method handles the event from either source.
/// </summary>
/// <param name="e">The event args which define the manipulation boundary feedback.</param>
protected virtual void OnManipulationBoundaryFeedbackReceived(ManipulationBoundaryFeedbackEventArgs e)
{
if (PreventBubbling)
{
this.TraceVerbose("Preventing bubbling of the event.");
e.Handled = true;
}
else
{
this.TraceVerbose("Not preventing bubbling of the event.");
}
// We copy the event data into (dependency) properties.
// This allows a corresponding control template to visually represent the
// manipulation boundary feedback data.
TranslationDeltaX = e.BoundaryFeedback.Translation.X;
TranslationDeltaY = e.BoundaryFeedback.Translation.Y;
Rotation = e.BoundaryFeedback.Rotation;
ScaleDeltaX = e.BoundaryFeedback.Scale.X;
ScaleDeltaY = e.BoundaryFeedback.Scale.Y;
ExpansionDeltaX = e.BoundaryFeedback.Expansion.X;
ExpansionDeltaY = e.BoundaryFeedback.Expansion.Y;
}
private void Yaoscrollviewer_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void OnHostManipulationBoundaryFeedback(
object sender,
ManipulationBoundaryFeedbackEventArgs args)
{
}
protected override void OnManipulationBoundaryFeedback(ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
/*
* 文件夹树 - 触摸滚动反馈
*/
private void folderTreeColumn_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void OnResultsListBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void ScrollViewer_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
// Avoid window shaking: https://stackoverflow.com/a/37000344/942659
e.Handled = true;
}
private void OnManipulationBoundaryFeedback(
object sender, ManipulationBoundaryFeedbackEventArgs e)
{
// Prevent the window to slightly move when its edge is encountered using touch scrolling.
e.Handled = true;
}
/// <summary>
/// Called when the control's content emits the
/// <see cref="UIElement.ManipulationBoundaryFeedback"/> event.
/// </summary>
/// <param name="e">The event args which define the manipulation boundary feedback.</param>
protected override void OnManipulationBoundaryFeedback(ManipulationBoundaryFeedbackEventArgs e)
{
// Also handle events if they come from the content.
this.TraceVerbose("Received manipulation boundary feedback from the content.");
OnManipulationBoundaryFeedbackReceived(e);
}
private void FeedbackProvider_ManipulationBoundaryFeedback(
object sender, ManipulationBoundaryFeedbackEventArgs args)
{
this.TraceVerbose("Received manipulation boundary feedback from the FeedbackProvider.");
OnManipulationBoundaryFeedbackReceived(args);
}
private void InkCanvas_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
textBox.Text += "InkCanvas_ManipulationBoundaryFeedback\n";
}
private void ScrollViewer_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
}
private void Window_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
NewEvent("Window_ManipulationBoundaryFeedback");
}
private void ManipulationBoundaryFeedbackHandler(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
// disable feedback that list scroll has reached the limit
// -- the feedback is that the whole window moves
e.Handled = true;
}
// Override is optional to remove unnecessary behavior
protected override void OnManipulationBoundaryFeedback(ManipulationBoundaryFeedbackEventArgs e)
{
// uncomment this to use base class implementation
//base.OnManipulationBoundaryFeedback(e);
e.Handled = true;
}
private void SCManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
}
private void patientsListView_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
//e.Handled = true;
}
private void OnDescriptionViewBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void ScrollViewerPro_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void factoryPresetsListBox_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void roiLayersItemsControl_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
public void ManipulationBoundaryFeedbackHandler
(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
protected override void OnManipulationBoundaryFeedback(ManipulationBoundaryFeedbackEventArgs e)
{
base.OnManipulationBoundaryFeedback(e);
}
private void Dg_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
e.Handled = true;
}
private void tvLibrarySearchResults_ManipulationBoundaryFeedback(object sender, ManipulationBoundaryFeedbackEventArgs e)
{
// By default, when you touch pan to the end of the scrollable area, the whole window moves around. I think this looks ugly for this app!
e.Handled = true;
}
