摘要： WPF：http://msdn.microsoft.com/en-us/library/System.Windows.UIElement.aspxDragEnterDragLeaveDragOver DropFocusableChangedGiveFeedbackGotFocusGotKeyboardFocusGotMouseCaptureGotStylusCaptureGotTouchCaptureIsEnabledChangedIsHitTestVisibleChangedIsKeyboardFocusedChangedIsKeyboardFocusWithinChangedIsMouse 阅读全文