private string GetTVItemTextEx(IntPtr wndTreeView, IntPtr item)
{
const int TVIF_TEXT = 0x0001;
const int MAX_TVITEMTEXT = 512;
Interop.TVITEM tvi = new Interop.TVITEM();
tvi.mask = TVIF_TEXT;
tvi.hItem = item;
tvi.cchTextMax = MAX_TVITEMTEXT;
// set address to remote buffer immediately following the tvItem
tvi.pszText = (IntPtr)(lpRemoteBuffer.ToInt32() + Marshal.SizeOf(typeof(Interop.TVITEM)));
// copy local tvItem to remote buffer
bool bSuccess = Interop.WriteProcessMemory(hProcess, lpRemoteBuffer, ref tvi, Marshal.SizeOf(typeof(Interop.TVITEM)), IntPtr.Zero);
if (!bSuccess)
{
ShowErrorMessage(new SystemException("Failed to write to process memory"));
}
Interop.SendMessage(wndTreeView, Interop.TVM_GETITEMW, IntPtr.Zero, lpRemoteBuffer);
// copy tvItem back into local buffer (copy whole buffer because we don't yet know how big the string is)
bSuccess = Interop.ReadProcessMemory(hProcess, lpRemoteBuffer, lpLocalBuffer, dwBufferSize, IntPtr.Zero);
if (!bSuccess)
{
ShowErrorMessage(new SystemException("Failed to read from process memory"));
}
return(Marshal.PtrToStringUni((IntPtr)(lpLocalBuffer.ToInt32() + Marshal.SizeOf(typeof(Interop.TVITEM)))));
}
private string GetTVItemTextEx(IntPtr wndTreeView, IntPtr item)
{
const int TVIF_TEXT = 0x0001;
const int MAX_TVITEMTEXT = 512;
// set address to remote buffer immediately following the tvItem
var nRemoteBufferPtr = _lpRemoteBuffer.ToInt64() + Marshal.SizeOf(typeof(Interop.TVITEM));
var tvi = new Interop.TVITEM
{
mask = TVIF_TEXT,
hItem = item,
cchTextMax = MAX_TVITEMTEXT,
pszText = (IntPtr)nRemoteBufferPtr
};
// copy local tvItem to remote buffer
var success = Interop.WriteProcessMemory(_hProcess, _lpRemoteBuffer, ref tvi,
Marshal.SizeOf(typeof(Interop.TVITEM)), IntPtr.Zero);
if (!success)
ShowErrorMessage(new SystemException("Failed to write to process memory"));
Interop.SendMessage(wndTreeView, Interop.TVM_GETITEMW, IntPtr.Zero, _lpRemoteBuffer);
// copy tvItem back into local buffer (copy whole buffer because we don't yet know how big the string is)
success = Interop.ReadProcessMemory(_hProcess, _lpRemoteBuffer, _lpLocalBuffer, BufferSize, IntPtr.Zero);
if (!success)
ShowErrorMessage(new SystemException("Failed to read from process memory"));
var nLocalBufferPtr = _lpLocalBuffer.ToInt64() + Marshal.SizeOf(typeof(Interop.TVITEM));
return Marshal.PtrToStringUni((IntPtr)nLocalBufferPtr);
}
