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Shell Tray Info - Arrange your system tray icons

, 26 Jun 2005
A tool with full source code that enumerates tray icons and allows you to reposition them as well as send mouse messages.
	Author	:	Nishant Sivakumar
	Date	:	June 9, 2005
	Info	:	Template class that makes it easy to use data allocated
				in a different process. Useful when making inter-process
				SendMessage/PostMessage calls.			
	Contact	:


#pragma once

template<typename T> class CProcessData
		If you pass in a dwProcessId of 0, the current process Id is used.
		For the other arguments, see MSDN documentation for OpenProcess and
	CProcessData(DWORD dwProcessId = 0, DWORD dwDesiredAccess = PROCESS_ALL_ACCESS,
		DWORD flAllocationType = MEM_COMMIT, DWORD flProtect = PAGE_READWRITE)
		m_hProcess = OpenProcess(dwDesiredAccess, FALSE, 
			dwProcessId ? dwProcessId : GetCurrentProcessId());
			m_lpData = VirtualAllocEx(m_hProcess, NULL, sizeof T, 
				flAllocationType, flProtect);

				VirtualFreeEx(m_hProcess, m_lpData, NULL, MEM_RELEASE);

	//WriteData is used to copy data to memory in the foreign process
	BOOL WriteData(const T& data)
		return (m_hProcess && m_lpData) ? WriteProcessMemory(m_hProcess, m_lpData, 
			(LPCVOID)&data, sizeof T, NULL) : FALSE;

	//ReadData reads back data from memory in the foreign process
	BOOL ReadData(T* data)
		return (m_hProcess && m_lpData) ? ReadProcessMemory(m_hProcess, m_lpData, 
			(LPVOID)data, sizeof T, NULL) : FALSE;

	//Templated ReadData that's used to read a specific data type from
	//a memory address located in the foreign process
	template<typename TSUBTYPE> BOOL ReadData(TSUBTYPE* data, LPCVOID lpData)
		return m_hProcess ? ReadProcessMemory(m_hProcess, lpData, 
			(LPVOID)data, sizeof TSUBTYPE, NULL) : FALSE;

	//Gets the address of the allocated memory in the foreign process
	const T* GetData()
		return (m_hProcess && m_lpData) ? (T*)m_lpData : NULL;
	HANDLE m_hProcess;
	LPVOID m_lpData;

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About the Author

Nish Sivakumar

United States United States
Nish is a real nice guy who has been writing code since 1990 when he first got his hands on an 8088 with 640 KB RAM. Originally from sunny Trivandrum in India, he has been living in various places over the past few years and often thinks it’s time he settled down somewhere.
Nish has been a Microsoft Visual C++ MVP since October, 2002 - awfully nice of Microsoft, he thinks. He maintains an MVP tips and tricks web site - where you can find a consolidated list of his articles, writings and ideas on VC++, MFC, .NET and C++/CLI. Oh, and you might want to check out his blog on C++/CLI, MFC, .NET and a lot of other stuff -
Nish loves reading Science Fiction, P G Wodehouse and Agatha Christie, and also fancies himself to be a decent writer of sorts. He has authored a romantic comedy Summer Love and Some more Cricket as well as a programming book – Extending MFC applications with the .NET Framework.
Nish's latest book C++/CLI in Action published by Manning Publications is now available for purchase. You can read more about the book on his blog.
Despite his wife's attempts to get him into cooking, his best effort so far has been a badly done omelette. Some day, he hopes to be a good cook, and to cook a tasty dinner for his wife.

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