public static unsafe bool GetToolbarButton(IntPtr hToolbar, int i, ref TBBUTTON tbButton)
{
// One page
const int BUFFER_SIZE = 0x1000;
byte[] localBuffer = new byte[BUFFER_SIZE];
UInt32 processId = 0;
UInt32 threadId = WinAPI.GetWindowThreadProcessId(hToolbar, out processId);
IntPtr hProcess = WinAPI.OpenProcess((int)WinAPI.ProcessAccessFlags.All, false, processId);
if (hProcess == IntPtr.Zero)
{
throw new ArgumentException("OpenProcess failed");
}
IntPtr ipRemoteBuffer = WinAPI.VirtualAllocEx(hProcess, IntPtr.Zero, BUFFER_SIZE, WinAPI.AllocationType.Commit, WinAPI.MemoryProtection.ExecuteReadWrite);
if (ipRemoteBuffer == IntPtr.Zero)
{
throw new ArgumentException("VirtualAllocEx failed");
}
// TBButton
fixed(TBBUTTON *pTBButton = &tbButton)
{
IntPtr ipTBButton = new IntPtr(pTBButton);
int b = (int)WinAPI.SendMessage(hToolbar, (int)WinAPI.ToolbarMessage.TB_GETBUTTON, (IntPtr)i, ipRemoteBuffer);
if (b == 0)
{
throw new ArgumentException("SendMessage TB_GETBUTTON failed");
}
// this is fixed
int ipBytesRead = 0;
bool b2 = WinAPI.ReadProcessMemory(hProcess, ipRemoteBuffer, ipTBButton, sizeof(TBBUTTON), out ipBytesRead);
if (!b2)
{
throw new ArgumentException("ReadProcessMemory failed");
}
}
WinAPI.VirtualFreeEx(
hProcess,
ipRemoteBuffer,
0,
WinAPI.AllocationType.Release);
WinAPI.CloseHandle(hProcess);
return(true);
}
internal static string GetTabCtrlItemText(IntPtr _hWnd, int i)
{
const int dwBufferSize = 2048;
int bytesWrittenOrRead = 0;
WinAPI.TCITEM lvCol;
string retval;
bool bSuccess;
System.IntPtr hProcess = System.IntPtr.Zero;
System.IntPtr lpRemoteBuffer = System.IntPtr.Zero;
System.IntPtr lpLocalBuffer = System.IntPtr.Zero;
try
{
uint processid = 0;
WinAPI.GetWindowThreadProcessId(_hWnd, out processid);
lvCol = new WinAPI.TCITEM();
lpLocalBuffer = System.Runtime.InteropServices.Marshal.AllocHGlobal(dwBufferSize);
hProcess = WinAPI.OpenProcess((int)WinAPI.ProcessAccessFlags.All, false, processid);
if (hProcess == System.IntPtr.Zero)
{
throw new System.ApplicationException("Failed to access process!");
}
lpRemoteBuffer = WinAPI.VirtualAllocEx(hProcess, IntPtr.Zero, dwBufferSize, WinAPI.AllocationType.Commit, WinAPI.MemoryProtection.ExecuteReadWrite);
if (lpRemoteBuffer == System.IntPtr.Zero)
{
throw new System.SystemException("Failed to allocate memory in remote process");
}
lvCol.mask = (int)WinAPI.TCITEM.Filters.TCIF_TEXT;
lvCol.text = (System.IntPtr)(lpRemoteBuffer.ToInt32() + System.Runtime.InteropServices.Marshal.SizeOf(typeof(WinAPI.TCITEM)));
lvCol.size = dwBufferSize;
var size = Marshal.SizeOf(lvCol);
// Both managed and unmanaged buffers required.
var bytes = new byte[size];
var ptr = Marshal.AllocHGlobal(size);
// Copy object byte-to-byte to unmanaged memory.
Marshal.StructureToPtr(lvCol, ptr, false);
// Copy data from unmanaged memory to managed buffer.
Marshal.Copy(ptr, bytes, 0, size);
// Release unmanaged memory.
//Marshal.FreeHGlobal(ptr);
bSuccess = WinAPI.WriteProcessMemory(hProcess, lpRemoteBuffer, bytes, System.Runtime.InteropServices.Marshal.SizeOf(typeof(WinAPI.TCITEM)), out bytesWrittenOrRead);
if (!bSuccess)
{
throw new System.SystemException("Failed to write to process memory");
}
WinAPI.SendMessage(_hWnd, (int)WinAPI.TabCtrlMessage.TCM_GETITEMA, (System.IntPtr)i, lpRemoteBuffer);
bSuccess = WinAPI.ReadProcessMemory(hProcess, lpRemoteBuffer, lpLocalBuffer, dwBufferSize, out bytesWrittenOrRead);
if (!bSuccess)
{
throw new System.SystemException("Failed to read from process memory");
}
retval = System.Runtime.InteropServices.Marshal.PtrToStringUni((System.IntPtr)(lpLocalBuffer.ToInt32() + System.Runtime.InteropServices.Marshal.SizeOf(typeof(WinAPI.TCITEM))));
}
finally
{
if (lpLocalBuffer != System.IntPtr.Zero)
{
System.Runtime.InteropServices.Marshal.FreeHGlobal(lpLocalBuffer);
}
if (lpRemoteBuffer != System.IntPtr.Zero)
{
WinAPI.VirtualFreeEx(hProcess, lpRemoteBuffer, 0, WinAPI.AllocationType.Release);
}
if (hProcess != System.IntPtr.Zero)
{
WinAPI.CloseHandle(hProcess);
}
}
return(retval);
}
