260 строки
8.6 KiB
C#
260 строки
8.6 KiB
C#
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#region Copyright Syncfusion Inc. 2001-2024.
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// Copyright Syncfusion Inc. 2001-2024. All rights reserved.
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// Use of this code is subject to the terms of our license.
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// A copy of the current license can be obtained at any time by e-mailing
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// licensing@syncfusion.com. Any infringement will be prosecuted under
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// applicable laws.
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#endregion
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using Common;
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using Syncfusion.UI.Xaml.CellGrid;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices.WindowsRuntime;
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using Windows.Foundation;
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using Windows.Foundation.Collections;
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using Windows.UI.Popups;
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using Windows.UI.Xaml;
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using Windows.UI.Xaml.Controls;
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using Windows.UI.Xaml.Controls.Primitives;
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using Windows.UI.Xaml.Data;
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using Windows.UI.Xaml.Input;
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using Windows.UI.Xaml.Media;
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using Windows.UI.Xaml.Navigation;
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// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
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namespace CellGridSamples
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{
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/// <summary>
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/// An empty page that can be used on its own or navigated to within a Frame.
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/// </summary>
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public sealed partial class ScrollPerformance : SampleLayout, IDisposable
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{
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#region Private Fields
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DispatcherTimer dt = new DispatcherTimer();
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Stopwatch sw = new Stopwatch();
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#endregion
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#region Constructor
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public ScrollPerformance()
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{
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this.InitializeComponent();
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InitializeGrid();
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}
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#endregion
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#region Private Methods
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private void InitializeGrid()
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{
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grid.Model.HeaderStyle.HorizontalAlignment = HorizontalAlignment.Center;
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grid.Model.HeaderStyle.VerticalAlignment = VerticalAlignment.Center;
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grid.RowCount = 1000;
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grid.ColumnCount = 1000;
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// Default Row Height and Default Column Width is reduced for Mobile View
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if (Windows.System.Profile.AnalyticsInfo.VersionInfo.DeviceFamily == "Windows.Mobile")
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{
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grid.DefaultColumnWidth = 80;
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grid.DefaultRowHeight = 20;
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//Header Column Width is reduced for Mobile View
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grid.ColumnWidths[0] = 50;
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}
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{
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grid.DefaultColumnWidth = 150;
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grid.DefaultRowHeight = 45;
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}
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grid.Model.TableStyle.ReadOnly = true;
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grid.Model.QueryCellInfo += Model_QueryCellInfo;
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}
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#endregion
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#region Events
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private void Model_QueryCellInfo(object sender, Syncfusion.UI.Xaml.CellGrid.Styles.GridQueryCellInfoEventArgs e)
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{
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if (e.Cell.RowIndex == 0)
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{
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if (e.Cell.ColumnIndex > 0)
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e.Style.CellValue = e.Cell.ColumnIndex;
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}
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else if (e.Cell.RowIndex > 0)
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{
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if (e.Cell.ColumnIndex == 0)
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e.Style.CellValue = e.Cell.RowIndex;
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else if (e.Cell.ColumnIndex > 0)
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{
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e.Style.CellValue = String.Format("{0}/{1}", e.Cell.RowIndex, e.Cell.ColumnIndex);
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}
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}
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}
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private void HScrollTimer_Click(object sender, RoutedEventArgs e)
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{
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dt.Tick += HScrollTimer_Tick;
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sw.Start();
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dt.Start();
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}
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private void VScrollTimer_Click(object sender, RoutedEventArgs e)
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{
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dt.Tick += VScrollTimer_Tick;
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sw.Start();
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dt.Start();
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}
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private async void VScrollTimer_Tick(object sender, object e)
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{
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if ((bool)scrollBottom.IsChecked)
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{
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grid.ScrollRows.ScrollToNextPage();
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grid.InvalidateVisual();
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if (grid.ScrollRows.LastBodyVisibleLineIndex >= grid.RowCount - 1)
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{
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sw.Stop();
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dt.Stop();
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var messageDialog = new MessageDialog(sw.Elapsed.Seconds.ToString() + " Seconds " + sw.Elapsed.Milliseconds.ToString() + " MilliSeconds", "Scroll Timer");
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await messageDialog.ShowAsync();
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sw.Reset();
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dt.Tick -= VScrollTimer_Tick;
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}
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}
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else
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{
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grid.ScrollRows.ScrollToPreviousPage();
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grid.InvalidateVisual();
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if (grid.ScrollRows.ScrollLineIndex <= grid.HeaderRows)
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{
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sw.Stop();
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dt.Stop();
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var messageDialog = new MessageDialog(sw.Elapsed.Seconds.ToString() + " Seconds " + sw.Elapsed.Milliseconds.ToString() + " MilliSeconds", "Scroll Timer");
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await messageDialog.ShowAsync();
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sw.Reset();
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dt.Tick -= VScrollTimer_Tick;
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}
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}
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}
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private async void HScrollTimer_Tick(object sender, object e)
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{
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if ((bool)scrollRight.IsChecked)
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{
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grid.ScrollColumns.ScrollToNextPage();
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grid.InvalidateVisual();
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if (grid.ScrollColumns.LastBodyVisibleLineIndex >= grid.ColumnCount - 1)
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{
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sw.Stop();
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dt.Stop();
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var messageDialog = new MessageDialog(sw.Elapsed.Seconds.ToString() + " Seconds " + sw.Elapsed.Milliseconds.ToString() + " MilliSeconds", "Scroll Timer");
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await messageDialog.ShowAsync();
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sw.Reset();
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dt.Tick -= HScrollTimer_Tick;
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}
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}
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else
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{
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grid.ScrollColumns.ScrollToPreviousPage();
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grid.InvalidateVisual();
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if (grid.ScrollColumns.ScrollLineIndex <= grid.HeaderColumns)
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{
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sw.Stop();
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dt.Stop();
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var messageDialog = new MessageDialog(sw.Elapsed.Seconds.ToString() + " Seconds " + sw.Elapsed.Milliseconds.ToString() + " MilliSeconds", "Scroll Timer");
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await messageDialog.ShowAsync();
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sw.Reset();
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dt.Tick -= HScrollTimer_Tick;
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}
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}
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}
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private void rdo1_Checked(object sender, RoutedEventArgs e)
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{
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grid.RowCount = 1000;
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}
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private void rdo2_Checked(object sender, RoutedEventArgs e)
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{
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grid.RowCount = 10000;
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}
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private void rdo3_Checked(object sender, RoutedEventArgs e)
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{
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grid.RowCount = 100000;
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}
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private void rdoCol1_Checked(object sender, RoutedEventArgs e)
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{
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grid.ColumnCount = 1000;
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}
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private void rdoCol2_Checked(object sender, RoutedEventArgs e)
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{
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grid.ColumnCount = 10000;
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}
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private void rdoCol3_Checked(object sender, RoutedEventArgs e)
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{
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grid.ColumnCount = 100000;
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}
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private void scrollHzntl_Changed(object sender, RoutedEventArgs e)
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{
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if ((bool)scrollRight.IsChecked)
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grid.ScrollInView(new Syncfusion.UI.Xaml.Grid.ScrollAxis.RowColumnIndex(1, 1));
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else
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grid.ScrollInView(new Syncfusion.UI.Xaml.Grid.ScrollAxis.RowColumnIndex(0, grid.ColumnCount - 1));
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}
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private void scrollVtcl_Changed(object sender, RoutedEventArgs e)
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{
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if ((bool)scrollTop.IsChecked)
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grid.ScrollInView(new Syncfusion.UI.Xaml.Grid.ScrollAxis.RowColumnIndex(grid.RowCount - 1, 0));
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else
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grid.ScrollInView(new Syncfusion.UI.Xaml.Grid.ScrollAxis.RowColumnIndex(1, 1));
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}
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private void Options_Loaded(object sender, RoutedEventArgs e)
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{
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// if we set IsChecked property in Xaml then the last CheckBox which contains IsChecked property to true only Checked,
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// so IsChecked property is set after page is loaded
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rdo1.IsChecked = true;
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rdoCol1.IsChecked = true;
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scrollRight.IsChecked = true;
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scrollBottom.IsChecked = true;
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}
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#endregion
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#region Dispose
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public sealed override void Dispose()
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{
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if (dt != null)
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{
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dt.Stop();
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dt.Tick -= VScrollTimer_Tick;
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dt.Tick -= HScrollTimer_Tick;
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}
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if (this.grid != null)
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{
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grid.Model.QueryCellInfo -= Model_QueryCellInfo;
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this.grid.Dispose();
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this.grid = null;
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}
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Resources.Clear();
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base.Dispose();
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}
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#endregion
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}
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}
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