2024年9月22日
WPF ContextMenu MenuItem CommandParameter pass whole control or SelectedItem
摘要： CommandParameter pass SelectedItem of control <ListBox.ContextMenu> <ContextMenu> <MenuItem Header="Save Image" Command="{Binding SaveImgCommand}" Com 阅读全文
posted @ 2024-09-22 23:54 FredGrit 阅读(61) 评论(0) 推荐(0)
WPF Menu MenuItem default ItemsPanel ItemsPanelTemplate
摘要： <Window x:Class="WpfApp399.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
posted @ 2024-09-22 23:03 FredGrit 阅读(13) 评论(0) 推荐(0)
WPF DataGrid FrozenColumnCount="2" AreRowDetailsFrozen="True" RowDetailsVisibilityMode="Visible"
摘要： <DataGrid ItemsSource="{StaticResource booksData}" EnableColumnVirtualization="True" EnableRowVirtualization="True" FrozenColumnCount="2" AreRowDetail 阅读全文
posted @ 2024-09-22 20:15 FredGrit 阅读(18) 评论(0) 推荐(0)
WPF DataGrid RowDetailsTemplate RowDetailsVisibilityMode="VisibleWhenSelected"
摘要： <Grid> <DataGrid ItemsSource="{StaticResource booksData}" EnableColumnVirtualization="True" EnableRowVirtualization="True" RowDetailsVisibilityMode="V 阅读全文
posted @ 2024-09-22 20:09 FredGrit 阅读(60) 评论(0) 推荐(0)
WPF datagrid ClipboardCopyMode="IncludeHeader"
摘要： <DataGrid ItemsSource="{StaticResource booksData}" ClipboardCopyMode="IncludeHeader"/> //xaml <Window x:Class="WpfApp398.MainWindow" xmlns="http://sch 阅读全文
posted @ 2024-09-22 19:55 FredGrit 阅读(14) 评论(0) 推荐(0)
WPF convert System.Windows.Controls.SelectedItemCollection to type 'System.Collections.Generic.IList<T>
摘要： System.Collections.IList items = (System.Collections.IList)obj; var booksList = items.Cast<Book>()?.ToList(); 阅读全文
posted @ 2024-09-22 19:43 FredGrit 阅读(15) 评论(0) 推荐(0)
WPF Unable to cast object of type 'System.Windows.Controls.SelectedItemCollection' to type 'System.Collections.Generic.IList`1[T]'.'
摘要： SelectedItems convert to IList as below failed; IList<Book> collection2 = (IList<Book>)obj; System.InvalidCastException HResult=0x80004002 Message=Una 阅读全文
posted @ 2024-09-22 19:42 FredGrit 阅读(71) 评论(0) 推荐(0)
WPF System.Windows.MessageBox.Show Dispatcher processing has been suspended, but messages are still being processed.
摘要： private void SelectedCommandExecuted(object obj) { if (obj != null && obj is DataGrid dg) { if (dg != null) { var selectedBks = dg.SelectedItems; if ( 阅读全文
posted @ 2024-09-22 17:26 FredGrit 阅读(59) 评论(0) 推荐(0)
WPF DataGrid DataGridTextColumn,DataGridCheckBoxColumn,DataGridComboBoxColumn,DataGridHyperlinkColumn,DataGridTemplateColumn
摘要： <Window x:Class="WpfApp397.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
posted @ 2024-09-22 14:48 FredGrit 阅读(38) 评论(0) 推荐(0)
WPF DataGrid DataGridTextColumn DataGridCheckBoxColumn DataGridCheckBoxColumn DataGridTemplateColumn
摘要： <Window x:Class="WpfApp397.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
posted @ 2024-09-22 14:26 FredGrit 阅读(19) 评论(0) 推荐(0)
WPF Combobox ObjectDataProvider MethodName ObjectType ObjectDataProvider.MethodParameters
摘要： <Window.Resources> <ObjectDataProvider x:Key="kindEnum" MethodName="GetValues" ObjectType="{x:Type sys:Enum}"> <ObjectDataProvider.MethodParameters> < 阅读全文
posted @ 2024-09-22 14:22 FredGrit 阅读(21) 评论(0) 推荐(0)