private void HandleDragDropMessage(Message m)
{
dynamic sb = new StringBuilder(260);
uint numFiles = DragQueryFile(m.WParam, 0xffffffffu, sb, 0);
dynamic list = new List <string>();
for (uint i = 0; i <= numFiles - 1; i++)
{
if (DragQueryFile(m.WParam, i, sb, Convert.ToUInt32(sb.Capacity) * 2) > 0)
{
list.Add(sb.ToString());
}
}
POINT p = default;
DragQueryPoint(m.WParam, ref p);
DragFinish(m.WParam);
dynamic args = new ElevatedDragDropArgs();
args.HWnd = m.HWnd;
args.Files = list;
args.X = p.X;
args.Y = p.Y;
ElevatedDragDrop?.Invoke(this, args);
}
//文件拖拽
private void ElevatedDragDrop(object sender, ElevatedDragDropArgs e)
{
if (e.HWnd == grpPreview.Handle)
{
string filePath = e.Files[0];
string fileName = Path.GetFileNameWithoutExtension(filePath);
filePath = GetRealPath(filePath);
if (filePath == null)
{
return;
}
FillInfo(filePath, fileName);
}
}