10 2024 档案
摘要：System.OutOfMemoryException HResult=0x8007000E Message=Exception of type 'System.OutOfMemoryException' was thrown. Source=mscorlib StackTrace: at Syst
阅读全文
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
摘要：<ListBox Grid.Row="0" Grid.Column="0" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding BooksCollection,Mode=TwoWay,UpdateSourceTrigger=Prope
阅读全文
摘要：private int selectedIdx; public int SelectedIdx { get { return selectedIdx; } set { if(value!=selectedIdx) { selectedIdx = value; OnPropertyChanged(na
阅读全文
摘要：<DataGridTemplateColumn Header="Image"> <DataGridTemplateColumn.CellTemplate> <DataTemplate> <Border Width="{Binding ActualWidth,RelativeSource={Relat
阅读全文
摘要：System.NotSupportedException HResult=0x80131515 Message=No imaging component suitable to complete this operation was found. Source=PresentationCore St
阅读全文
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
摘要：private void GenerateImgaBrushImageSourceViaImgUrl(string imgUrlValue) { BitmapImage bmi = new BitmapImage(); bmi.BeginInit(); bmi.UriSource = new Uri
阅读全文
摘要：private void GenenerateBitMapImageViaUrl(string url) { BitmapImage bmi = new BitmapImage(); bmi.BeginInit(); bmi.UriSource=new Uri(url, UriKind.Relati
阅读全文
摘要：Text="{Binding StringFormat={}{0} items,Source={StaticResource mainVM},Path=Cnt}" //xaml <Window x:Class="WpfApp17.MainWindow" xmlns="http://schemas.m
阅读全文
摘要：<ListBox Grid.Column="0" ItemContainerStyle="{StaticResource lbxItemContainerStyle}" ItemsSource="{Binding BooksCollection,Mode=TwoWay,UpdateSourceTri
阅读全文
摘要：<Window.Resources> <Style x:Key="lbxItemContainerStyle" TargetType="ListBoxItem"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetT
阅读全文
摘要：//xaml <Window x:Class="WpfApp13.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/w
阅读全文
摘要：<ListBox ItemsSource="{Binding BooksCollection,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" SelectedIndex="{Binding ImgIdx,Mode=TwoWay,UpdateSour
阅读全文
摘要：<Window x:Class="WpfApp10.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/20
阅读全文
摘要：//xaml <Window x:Class="WpfApp6.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/wi
阅读全文
摘要：<DataGridTemplateColumn Header="Image"> <DataGridTemplateColumn.CellTemplate> <DataTemplate> <Image Source="{Binding DataContext.ImgUrl, RelativeSourc
阅读全文
摘要：//xaml <Window x:Class="WpfApp3.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/wi
阅读全文
摘要：<Window.Resources> <local:ImageUrlConverter x:Key="imgConverter"/> </Window.Resources> <Image Source="{Binding ImgUrl,Converter={StaticResource imgCon
阅读全文
摘要：The basic roadmap is to download web image at first , second convert it into memeorystream, third assign the memorystream to bitmapimage as StreamSour
阅读全文
摘要：1.Install Microsoft.Xaml.Behaviors.Wpf 2. <behavior:Interaction.Triggers> <behavior:EventTrigger EventName="MouseDown"> <behavior:InvokeCommandAction
阅读全文
摘要：1.Install Microsoft.Xaml.Behaviors.Wpf 2. xmlns:behavior="http://schemas.microsoft.com/xaml/behaviors" <behavior:Interaction.Triggers> <behavior:Event
阅读全文
