void OnPointerMoved(object sender, PointerRoutedEventArgs e)
{
e.Handled = true;
if (e.IsTouch())
{
// 触摸模式只支持列排序
if (_pointerID == e.Pointer.PointerId)
{
ReleasePointerCapture(e.Pointer);
_pointerID = null;
}
return;
}
// 鼠标未按下时的滑过
if (!_isDragging && _resizingCol == null)
{
Point pt = e.GetCurrentPoint(this).Position;
if (pt.X >= _resizePadding && Col.Width - pt.X >= _resizePadding)
{
SetCursor(CoreCursorType.Arrow);
VisualStateManager.GoToState(this, "PointerOver", true);
}
else
{
SetCursor(CoreCursorType.SizeWestEast);
VisualStateManager.GoToState(this, "Normal", true);
}
return;
}
// 调整列宽
if (_resizingCol != null)
{
Point cur = e.GetCurrentPoint(null).Position;
double width = _resizingCol.Width + cur.X - _ptLast.X;
if (width > 35)
{
// 最小宽度能显示一个字
_resizingCol.Width = width;
_owner.Lv.Cols.Invalidate();
_ptLast = cur;
}
return;
}
// 拖拽列
_dragTgtCol = _owner.GetDragTargetCol(Col, e.GetCurrentPoint(_owner).Position.X);
}
