public void ShowDlg()
{
if (_panel.Children.Count == 0)
{
foreach (var mi in _mi.Items)
{
_panel.Children.Add(mi);
}
}
if (_mi.Owner.IsContextMenu)
{
if (Kit.IsPhoneUI)
{
PhonePlacement = DlgPlacement.FromBottom;
}
else
{
// 默认放右侧，不能完全显示放左侧
if (_mi.GetBounds().Right + MinWidth > SysVisual.ViewWidth)
{
WinPlacement = DlgPlacement.TargetOuterLeftTop;
}
else
{
WinPlacement = DlgPlacement.TargetTopRight;
}
}
}
else
{
if (Kit.IsPhoneUI)
{
PhonePlacement = (_mi.ParentMi == null) ? DlgPlacement.TargetBottomLeft : DlgPlacement.FromBottom;
}
else
{
// 一级放左下方，多级默认放右侧，不能完全显示放左侧
if (_mi.ParentMi == null && !_mi.Owner.IsContextMenu)
{
WinPlacement = DlgPlacement.TargetBottomLeft;
}
else if (_mi.GetBounds().Right + MinWidth > SysVisual.ViewWidth)
{
WinPlacement = DlgPlacement.TargetOuterLeftTop;
}
else
{
WinPlacement = DlgPlacement.TargetTopRight;
}
}
}
Closed -= OnClosed;
if (_mi.ParentMi == null || Kit.IsPhoneUI)
{
Closed += OnClosed;
}
Show();
}