code: function ContentDialog_renderForInputPane() {
                      var rendered = this._rendered;
                      
                      if (!rendered.registeredForResize) {
                          _ElementUtilities._resizeNotifier.subscribe(this._dom.root, this._onUpdateInputPaneRenderingBound);
                          rendered.registeredForResize = true;
                      }
                      
                      if (this._shouldResizeForInputPane()) {
                          // Lay the dialog out using its normal rules but restrict it to the *visible document*
                          // rather than the *visual viewport*.
                          // Essentially, the dialog should be in the center of the part of the app that the user
                          // can see regardless of the state of the input pane.
                          
                          var top = _KeyboardInfo._KeyboardInfo._visibleDocTop + "px";
                          var bottom = _KeyboardInfo._KeyboardInfo._visibleDocBottomOffset + "px";
                          
                          if (rendered.top !== top) {
                              this._dom.root.style.top = top;
                              rendered.top = top;
                          }
                          
                          if (rendered.bottom !== bottom) {
                              this._dom.root.style.bottom = bottom;
                              rendered.bottom = bottom;
                          }
                          
                          if (!rendered.resizedForInputPane) {
                              // Put title into scroller so there's more screen real estate for the content
                              this._dom.scroller.insertBefore(this._dom.title, this._dom.content);
                              this._dom.root.style.height = "auto"; // Height will be determined by setting top & bottom
                              // Ensure activeElement is scrolled into view
                              var activeElement = _Global.document.activeElement;
                              if (activeElement && this._dom.scroller.contains(activeElement)) {
                                  activeElement.scrollIntoView();
                              }
                              rendered.resizedForInputPane = true;
                          }
                      }
                  }
docs: This function assumes it's in an environment that supports -ms-device-fixed.