protected override void OnDragEnter(DragEventArgs e)
{
if (_enteredOnce)
{
OnDragOver(e);
return;
}
_enteredOnce = true;
_DDData r = default;
if (r.GetData(e.Data))
{
var b = Au.Util.Serializer_.Serialize((int)e.AllowedEffect, e.KeyState, r.files, r.shell, r.text, r.linkName);
e.Effect = (DragDropEffects)(int)AWnd.More.CopyDataStruct.SendBytes(_msgWnd, 110, b);
}
else
{
Hide();
}
}
DragDropEffects _OnDragEvent(int event_, int keyState, byte[] b)
{
if (!_isDragMode)
{
return(0);
}
DDEvent ev = (DDEvent)event_;
//if(ev != DDEvent.Over) AOutput.Write(ev);
if (ev == DDEvent.Enter)
{
var a = Au.Util.Serializer_.Deserialize(b);
_allowedEffects = (DragDropEffects)(int)a[0];
_keyState = a[1];
_data = new DataObject();
var t = new _DDData {
files = a[2], shell = a[3], text = a[4], linkName = a[5]
};
if (t.files != null)
{
_data.SetData("FileDrop", t.files);
}
if (t.shell != null)
{
_data.SetData("Shell IDList Array", t.shell);
}
if (t.text != null)
{
_data.SetData("UnicodeText", t.text);
}
if (t.linkName != null)
{
_data.SetData("FileGroupDescriptorW", t.linkName);
}
}
else
{
_keyState = keyState;
}
DragDropEffects ef = 0;
if (ev != DDEvent.Leave)
{
var p = AMouse.XY;
var w = _wWindow.ChildFromXY(p, screenXY: true);
if (w.Is0)
{
w = _wWindow;
}
if (w != _wTargetControl && !_wTargetControl.Is0)
{
_InvokeDDHandler(_wTargetControl, DDEvent.Leave);
_wTargetControl = default;
}
if (!w.Is0 && w.IsOfThisProcess && w.IsEnabled(true))
{
if (ev != 0 && _wTargetControl.Is0)
{
if (ev == DDEvent.Over)
{
ev = 0;
}
else
{
_InvokeDDHandler(w, DDEvent.Enter, p);
}
}
ef = _InvokeDDHandler(_wTargetControl = w, ev, p);
}
}
else if (!_wTargetControl.Is0)
{
_InvokeDDHandler(_wTargetControl, ev);
}
if (ev >= DDEvent.Drop)
{
_wTargetControl = default;
}
return(ef);
}
