FredGrit

2024年11月3日

WPF datagrid export command in mvvm and customize delegatecommand inherited from ICommand

摘要： public class DelCommand : ICommand { public event EventHandler CanExecuteChanged { add { CommandManager.RequerySuggested += value; } remove { CommandM 阅读全文

posted @ 2024-11-03 17:18 FredGrit 阅读(19) 评论(0) 推荐(0)

WPF datagrid implement multi select via behavior selectionchanged event in MVVM

摘要： <DataGrid ItemsSource="{Binding BooksCollection,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" CanUserAddRows="False" AutoGenerateColumns="False" S 阅读全文

posted @ 2024-11-03 15:41 FredGrit 阅读(61) 评论(0) 推荐(0)

2024年10月31日

C# serialize big collection via NewtonSoft.Json

摘要： System.OutOfMemoryException HResult=0x8007000E Message=Exception of type 'System.OutOfMemoryException' was thrown. Source=mscorlib StackTrace: at Syst 阅读全文

posted @ 2024-10-31 23:22 FredGrit 阅读(58) 评论(0) 推荐(0)

2024年10月25日

WPF test GPU

摘要： <Window x:Class="WpfApp23.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/20 阅读全文

posted @ 2024-10-25 01:34 FredGrit 阅读(29) 评论(0) 推荐(0)

WPF ListBox scrollintoview in ViewModel via behavior

摘要： <ListBox Grid.Row="0" Grid.Column="0" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding BooksCollection,Mode=TwoWay,UpdateSourceTrigger=Prope 阅读全文

posted @ 2024-10-25 01:04 FredGrit 阅读(29) 评论(0) 推荐(0)

WPF datagrid scrollintoview in ViewModel of MVVM

摘要： private int selectedIdx; public int SelectedIdx { get { return selectedIdx; } set { if(value!=selectedIdx) { selectedIdx = value; OnPropertyChanged(na 阅读全文

posted @ 2024-10-25 00:36 FredGrit 阅读(72) 评论(0) 推荐(0)

WPF datagrid show ImageBrush via DataGridTemplateColumn

摘要： <DataGridTemplateColumn Header="Image"> <DataGridTemplateColumn.CellTemplate> <DataTemplate> <Border Width="{Binding ActualWidth,RelativeSource={Relat 阅读全文

posted @ 2024-10-25 00:32 FredGrit 阅读(26) 评论(0) 推荐(0)

2024年10月24日

WPF No imaging component suitable to complete this operation was found.

摘要： System.NotSupportedException HResult=0x80131515 Message=No imaging component suitable to complete this operation was found. Source=PresentationCore St 阅读全文

posted @ 2024-10-24 23:38 FredGrit 阅读(56) 评论(0) 推荐(0)

2024年10月11日

WPF SelectedItemCollection convert to IList and List, such as Datagrid SelectedItems

摘要： private void ExportSelectedCmdExecuted(object obj) { var items = (System.Collections.IList)obj; if (items != null && items.Count > 0) { var booksList 阅读全文

posted @ 2024-10-11 00:32 FredGrit 阅读(68) 评论(0) 推荐(0)

WPF Grid background ImageBrush ImageSource via image url in MVVM

摘要： private void GenerateImgaBrushImageSourceViaImgUrl(string imgUrlValue) { BitmapImage bmi = new BitmapImage(); bmi.BeginInit(); bmi.UriSource = new Uri 阅读全文

posted @ 2024-10-11 00:23 FredGrit 阅读(40) 评论(0) 推荐(0)

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