/// <summary>
/// 切换光标处理
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
static void OnCursorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CoreCursorType oldCursor = (CoreCursorType)e.OldValue;
CoreCursorType newCursor = (CoreCursorType)d.GetValue(CursorProperty);
if (oldCursor == CoreCursorType.Arrow)
{
var handler = new CursorDisplayHandler();
handler.Attach((UIElement)d);
SetCursorDisplayHandler(d, handler);
}
else
{
var handler = GetCursorDisplayHandler(d);
if (newCursor == CoreCursorType.Arrow)
{
handler.Detach();
SetCursorDisplayHandler(d, null);
}
else
{
handler.UpdateCursor();
}
}
}
/// <summary>
/// 设置光标Handler
/// </summary>
public static void SetCursorDisplayHandler(DependencyObject d, CursorDisplayHandler value)
{
d.SetValue(CursorDisplayHandlerProperty, value);
}
