2.
SendMessage(lvPrintData.Handle, WM_VSCROLL, 1, 0);
[DllImport("user32.dll", EntryPoint = "SendMessage")]
static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
const int WM_VSCROLL = 0x0115;
2.
SendMessage(lvPrintData.Handle, WM_VSCROLL, 1, 0);
[DllImport("user32.dll", EntryPoint = "SendMessage")]
static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
const int WM_VSCROLL = 0x0115;