//Zero based
public RECT GetItemRECT(int index)
{
if (index < 0 || index >= Count)
throw new SUIException("Index is out of range!");
RECT rec = new RECT();
IntPtr ptr = IntPtr.Zero;
try
{
ptr = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(RECT)));
SUIWinAPIs.SendMessage(WindowHandle, SUIMessage.LB_GETITEMRECT, index, ptr);
rec = (RECT)Marshal.PtrToStructure(ptr, typeof(RECT));
}
catch (Exception e)
{
throw new SUIException("Error getting item rectangle!", e);
}
finally
{
Marshal.FreeCoTaskMem(ptr);
}
return rec;
}
//Zero based index
public RECT GetItemRect(int index)
{
RECT rect = new RECT();
int processId = 0;
SUIWinAPIs.GetWindowThreadProcessId(WindowHandle, ref processId);
IntPtr processHandle = SUIWinAPIs.OpenProcess(SUIMessage.PROCESS_ALL_ACCESS, false, processId);
IntPtr data = SUIWinAPIs.VirtualAllocEx(processHandle, IntPtr.Zero, Marshal.SizeOf(rect), SUIMessage.MEM_COMMIT, SUIMessage.PAGE_READWRITE);
IntPtr ptrLvi = IntPtr.Zero;
try
{
ptrLvi = Marshal.AllocHGlobal(Marshal.SizeOf(rect));
Marshal.StructureToPtr(rect, ptrLvi, false);
IntPtr numReaded = new IntPtr();
SUIWinAPIs.WriteProcessMemory(processHandle, data, ptrLvi, Marshal.SizeOf(rect), out numReaded);
SUIWinAPIs.SendMessage(WindowHandle, SUIMessage.HDM_GETITEMRECT, new IntPtr(index), data);
SUIWinAPIs.ReadProcessMemory(processHandle, data, ptrLvi, Marshal.SizeOf(rect), out numReaded);
rect = (RECT)Marshal.PtrToStructure(ptrLvi, rect.GetType());
}
catch (Exception e)
{
throw new SUIException("Error getting rectangle of header item!", e);
}
finally
{
SUIWinAPIs.VirtualFreeEx(processHandle, data, Marshal.SizeOf(rect), SUIMessage.MEM_RESERVE);
Marshal.FreeHGlobal(ptrLvi);
SUIWinAPIs.CloseHandle(processHandle);
}
return rect;
}
public static extern void CopyMemoryRECT(ref RECT destRect, IntPtr sourceAddr, int numberOfBytes);
public static extern bool ClientToScreen(IntPtr win,out RECT rect);