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  public class MyCheckBox : CheckBox
  {
    public new object IsChecked
    {
      get { return GetValue(IsCheckedProperty); }
      set { SetValue(IsCheckedProperty, value); }
    }
    public static new readonly DependencyProperty IsCheckedProperty =
      DependencyProperty.Register("IsChecked", typeof(object), typeof(MyCheckBox),
                                  new PropertyMetadata(null, new PropertyChangedCallback(OnIsCheckedChanged)));

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  <!-- ページ・リソースにバリュー・コンバータとデータ・テンプレートを追加 -->
  <Page.Resources>

    <!-- TODO: Delete this line if the key AppName is declared in App.xaml -->
    <x:String x:Key="AppName">My Application</x:String>

    <local:ObjectTypeToTextAlignmentConverter x:Key="ObjectTypeToTextAlignmentConverter" />

    <DataTemplate x:Key="MyListboxItemTemplate">
      <Grid HorizontalAlignment="Stretch" Width="150" Margin="0,0,20,0">

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using Microsoft.Xna.Framework.Media;
using System;

namespace PhoneApp1
{
  public class PhotoAlbums
  {
    public static Picture GetFirstPhoto() {
      MediaLibrary mediaLib = new MediaLibrary();
      foreach (var album in mediaLib.RootPictureAlbum.Albums)

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var firstDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1);
int dayOfWeek= (int)firstDate.DayOfWeek; //日曜=0 … 土曜=6
int lastDay = firstDate.AddMonths(1).AddDays(-1).Day;
for (int day = 1; day <= lastDay; day++)
{
    int index = (day - 1) + dayOfWeek; // 左上のマスを0番として、左から右へ数えていった番号
    int x = index % 7;	// column(横方向)位置
    int y = index / 7;  // row(縦方向)位置

    var color = Windows.UI.Colors.White;

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<Grid x:Name="CalendarGrid" Grid.Row="1" Margin="120,20,40,20" >
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="1*" />
        <ColumnDefinition Width="1*" />
        <ColumnDefinition Width="1*" />
        <ColumnDefinition Width="1*" />
        <ColumnDefinition Width="1*" />
        <ColumnDefinition Width="1*" />
        <ColumnDefinition Width="1*" />
    </Grid.ColumnDefinitions>

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private async void ReadFile()
{
    // バイト配列に読み込んでから、MultiByteToWideChar()を通す
    const string FileUrl = "ms-appx:///TextFile1.txt";
    var storage = await StorageFile.GetFileFromApplicationUriAsync(new Uri(FileUrl));
    using (var stream = await storage.OpenReadAsync())
    {
        byte[] buff = new byte[stream.Size];
        await stream.AsStreamForRead().ReadAsync(buff, 0, buff.Length);

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#include "pch.h"
#include "WindowsPhoneRuntimeComponent1.h"

#define	CP_SJIS	932

using namespace WindowsPhoneRuntimeComponent1;
using namespace Platform;

Platform::String^ WindowsPhoneRuntimeComponent::MultiByteToWideCharWP8(const Platform::Array<byte>^ buff)
{

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public class TextDecoder
{
    [DllImport("Kernel32.dll", CharSet = CharSet.Unicode)]
    static extern int MultiByteToWideChar(
                        uint CodePage, 
                        uint dwFlags,
                        [MarshalAs(UnmanagedType.LPArray)] byte[] lpMultiByteStr, 
                        int cbMultiByte,
                        [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpWideCharStr, 
                        int cchWideChar);

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using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

namespace BluewaterSoft.DevTools.Win8Common.Control
{
    public class CustomGridView : GridView
    {
        private ScrollViewer _sv;

        private ItemsPresenter _ip;

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<!-- GridView を ScrollViewer に埋め込んでやる。GridView のサイズは、その中身だけで決まるようになる。 -->
<ScrollViewer x:Name="ScrollViewer1" Grid.Row="1" 
          HorizontalScrollMode="Enabled" HorizontalScrollBarVisibility="Auto"
          VerticalScrollMode="Disabled" VerticalScrollBarVisibility="Disabled"  >
    <GridView x:Name="GridView1" Margin="120,0,0,0" SizeChanged="GridView1_SizeChanged"
              SelectedIndex="-1"
              ItemsSource="{Binding Source={StaticResource definedColorsSource}}" 
              ItemTemplate="{StaticResource ColorInfoDataTemplate150x150}" />
</ScrollViewer>