カテゴリー: Visual Studio

  • WPF.NET c# Tips

    Application.Startup イベント で起動画面(.xaml)を切換える

    Application.Startup イベント (System.Windows) | Microsoft Docs

    <Application
    x:Class="CallBook.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Startup="CallBook_Startup"
    >
    <Application.Resources>
    </Application.Resources>
</Application>
        public partial class App : Application
    {
        void CallBook_Startup(object sender, StartupEventArgs e)
        {
            bool startReddit = false;
            for (int i = 0; i != e.Args.Length; ++i)
            {
                if (e.Args[i] == "/Reddit")
                {
                    startReddit = true;
                }
            }
            
            if (startReddit)
            {
                RedditWindow mainWindow = new RedditWindow();
                mainWindow.WindowState = WindowState.Minimized;
                mainWindow.Show();
            }
            else
            {
                CallBookWindow cbw = new CallBookWindow();
                cbw.Show();
            }
            
        }
    }
    264 View Count

  • Visual Studio Tips

    The name ‘InitializeComponent’ does not exist in the current context.

    AdministratorでVisual Studioを起動、Clean Solution、Rebuit Solution.

    ふたつのファイルを比較する方法

    [View]-[Other Windows]-[Command Window]
    Tools.DiffFiles file1.cs file2.cs

    -Diff (devenv.exe) – Visual Studio (Windows) | Microsoft Docs

    ドキュメント生成のための XML コメントを挿入する

    XML ドキュメントのコメントを挿入する – Visual Studio (Windows) | Microsoft Docs

    オプションを有効にするには、プロジェクトのプロパティで

    コード要素の XML コメントを挿入するには　C# では「///」と入力

    237 View Count

  • How to add button to WPF DataGrid column in code programmatically

    private void DataGridScanChannel_AutoGeneratingColumn(object sender, DataGridAutoGeneratingColumnEventArgs e) 
        {            
            var styleCell = new Style(typeof(DataGridCell))
            {
                Setters = { new Setter(TextBlock.TextAlignmentProperty, TextAlignment.Right) }
            };
            e.Column.Header = MemoryChannelHeader[e.PropertyName];
            e.Column.CellStyle = styleCell;
            DataGridTextColumn txtcol = e.Column as DataGridTextColumn;

            switch (e.PropertyName)
            {
                case "Prog_No":
                    var buttonTemplate = new FrameworkElementFactory(typeof(System.Windows.Controls.Button));
                    var text = new FrameworkElementFactory(typeof(TextBlock));
                    text.SetValue(TextBlock.TextProperty, "Start");
                    buttonTemplate.AppendChild(text);
                    //buttonTemplate.AddHandler(System.Windows.Controls.Primitives.ButtonBase.ClickEvent, new RoutedEventHandler((o, e) => System.Windows.MessageBox.Show("hi")));
                    buttonTemplate.AddHandler(System.Windows.Controls.Button.ClickEvent, new RoutedEventHandler(Btn_Click));
                    DataGridScanChannel.Columns.Add(new DataGridTemplateColumn()
                    {
                        Header = "Scan",
                        DisplayIndex = 0,
                        CellTemplate = new DataTemplate() { VisualTree = buttonTemplate }
                    });
                    break;
                case "Prog_Mode":
                    e.Cancel = true;
                    break;
                case "Prog_Freq_Lower":
                    txtcol.Binding = new System.Windows.Data.Binding(e.PropertyName) { StringFormat = "{0:N0}" };
                    txtcol.Width = 100;
                    //e.Column.DisplayIndex = 1;
                    break;
                case "Prog_Freq_Upper":
                    txtcol.Binding = new System.Windows.Data.Binding(e.PropertyName) { StringFormat = "{0:N0}" };
                    txtcol.Width = 100;
                    //e.Column.DisplayIndex = 2;
                    break;
                default:
                    break;
            }
        }

  • WPF DataGrid Control Tips

    DataGridのRowのBackgroundカラーを変更する

    <Window.Resources>
<Style TargetType="{x:Type DataGridRow}">
    <Style.Setters>
        <Setter Property="Background" Value="{Binding Path=StatusColor}"></Setter>
    </Style.Setters>            
</Style>
</Window.Resources>



<DataGrid AutoGenerateColumns="False" CanUserAddRows="False" Name="dtgTestColor" ItemsSource="{Binding}" >
<DataGrid.Columns>                            
    <DataGridTextColumn Header="Title" Binding="{Binding Path=Title}"/>
</DataGrid.Columns>
</DataGrid>
    public class ItemData
{
    public string Title { get; set; }
    public string StatusColor { get; set; }
}

DataGrid DateGrid1;
List<ItemData> list1 = new();

ItemData item1 = new();
item1.Title = "Title001"; 
item1.StatusColor = "Blue";
list1.Add(item1);
ItemData item2 = new();
item2.Title = "Title002"; 
item2.StatusColor = "LightBlue";
list1.Add(item2);

DateGrid1.ItemsSource = list1;
DateGrid1.Items.Refresh();