void EditContext_LayoutRequested(CoreTextEditContext sender, CoreTextLayoutRequestedEventArgs args)
{
CoreTextLayoutRequest request = args.Request;
// Get the screen coordinates of the entire control and the selected text.
// This information is used to position the IME candidate window.
// First, get the coordinates of the edit control and the selection
// relative to the Window.
Rect contentRect = GetElementRect(ContentPanel);
Rect selectionRect = GetElementRect(SelectionText);
// Next, convert to screen coordinates in view pixels.
Rect windowBounds = Window.Current.CoreWindow.Bounds;
contentRect.X += windowBounds.X;
contentRect.Y += windowBounds.Y;
selectionRect.X += windowBounds.X;
selectionRect.Y += windowBounds.Y;
// Finally, scale up to raw pixels.
double scaleFactor = DisplayInformation.GetForCurrentView().RawPixelsPerViewPixel;
contentRect = ScaleRect(contentRect, scaleFactor);
selectionRect = ScaleRect(selectionRect, scaleFactor);
// This is the bounds of the selection.
// Note: If you return bounds with 0 width and 0 height, candidates will not appear while typing.
request.LayoutBounds.TextBounds = selectionRect;
//This is the bounds of the whole control
request.LayoutBounds.ControlBounds = contentRect;
}
void EditContext_LayoutRequested(CoreTextEditContext sender, CoreTextLayoutRequestedEventArgs args)
{
CoreTextLayoutRequest request = args.Request;
request.LayoutBounds.TextBounds = _textInputRect;
}
