CacheVirtualItemsEventArgs CacheVirtualItemsEventHandler CaptionButton CharacterCasing CheckBox CheckBox.CheckBoxAccessibleObject CheckBoxRenderer CheckedListBox CheckedListBox.CheckedIndexCollection CheckedListBox.CheckedItemCollection CheckedListBox.ObjectCollection CheckState Clipboard CloseReason ColorDepth ColorDialog Colu...
CacheVirtualItemsEventArgs CacheVirtualItemsEventHandler CaptionButton CharacterCasing CheckBox CheckBox.CheckBoxAccessibleObject CheckBoxRenderer CheckedListBox CheckedListBox.CheckedIndexCollection CheckedListBox.CheckedItemCollection CheckedListBox.ObjectCollection CheckState Clipboard CloseReason ColorDepth ColorDialog Colu...
适用于 UWP 的等效 WinUI 2 API:Microsoft.UI.Xaml.Controls.TreeView.DragItems 启动Windows 应用 SDK中的WinUI (,请参阅Windows 应用 SDK命名空间)。 C# 复制 public event TypedEventHandler<TreeView,TreeViewDragItemsStartingEventArgs> DragItemsStarting; XAML 复制 <TreeView DragItemsStarting="eventhan...
You can print your form template to get a general sense of how controls and other objects appear on the printed page, or to verify print settings, such as headers or footers. When you print a form template from design mode, you may see certain items on the printed form ...
當ItemsPanel 屬性變更時叫用。 (繼承來源 ItemsControl) OnItemsSourceChanged(IEnumerable, IEnumerable) 在ItemsSource 屬性變更時呼叫。 (繼承來源 ItemsControl) OnItemStringFormatChanged(String, String) 當ItemStringFormat 屬性變更時叫用。 (繼承來源 ItemsControl) OnItemTemplateChanged(DataTemplate, DataTemp...
当视图接收到拖拽事件,它可转化为QGraphicsSceneDragDropEvent,再发送到场景。场景接管这个事件,把它发送到光标下接受拖拽的第一个item。 从一个item开始拖拽时,创建一个QDrag对象,传递开始拖拽的那个widget的指针。Items可以同时被多个视图观察,但只有一个视图可以开始拖拽。
GetClipboardContent GetColumnDisplayRectangle GetRowDisplayRectangle HitTest InvalidateCell InvalidateColumn InvalidateRow IsInputChar IsInputKey NotifyCurrentCellDirty OnAllowUserToAddRowsChanged OnAllowUserToDeleteRowsChanged OnAllowUserToOrderColumnsChanged OnAllowUserToResizeColumnsChanged OnAllowUserToResizeRowsChanged...
DataGridCellClipboardEventArgs DataGridCellEditEndingEventArgs DataGridCellInfo DataGridCellsPanel DataGridCheckBoxColumn DataGridClipboardCellContent DataGridClipboardCopyMode DataGridColumn DataGridColumnEventArgs DataGridColumnReorderingEventArgs DataGridComboBoxColumn DataGridEditAction DataGridEditingUnit DataGridGridLinesVisib...
Additionally, you can enable users to copy the selected values to the Clipboard. Sometimes you want your application to perform actions based on user selections within a DataGridView control. Depending on the actions, you may want to restrict the kinds of selection that are possible. For example...
DataGridCellClipboardEventArgs DataGridCellEditEndingEventArgs DataGridCellInfo DataGridCellsPanel DataGridCheckBoxColumn DataGridClipboardCellContent DataGridClipboardCopyMode DataGridColumn DataGridColumnEventArgs DataGridColumnReorderingEventArgs DataGridComboBoxColumn DataGridEditAction DataGridEditingUnit DataGridGridLinesVisib...