/// <returns>0 Cancel, 1 OK, 2 Retry.</returns>
public int Show(Bitmap img, ICFlags flags, RECT r)
{
_img = img;
_flags = flags;
_cursor = MouseCursor.Load(ResourceUtil.GetBytes("<Au>resources/red_cross_cursor.cur"), 32);
_dpi = screen.primary.Dpi;
_w = WndUtil.CreateWindow(_WndProc, true, "#32770", "Au.uiimage.CaptureUI", WS.POPUP | WS.VISIBLE, WSE.TOOLWINDOW | WSE.TOPMOST, r.left, r.top, r.Width, r.Height);
_w.ActivateL();
try {
while (Api.GetMessage(out var m) > 0 && m.message != Api.WM_APP)
{
switch (m.message)
{
case Api.WM_KEYDOWN when !_capturing:
switch ((KKey)(int)m.wParam)
{
case KKey.Escape: return(0);
case KKey.F3: return(2);
}
break;
case Api.WM_RBUTTONUP when m.hwnd == _w:
switch (popupMenu.showSimple("1 Retry\tF3|2 Cancel\tEsc", owner: _w))
{
case 1: return(2);
case 2: return(0);
}
break;
}
Api.DispatchMessage(m);
}
}
finally {
var w = _w; _w = default;
Api.DestroyWindow(w);
}
return(_res);
}