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Personally, I think this munged-up IGetProcAddress is childish. Any Windows 95 system programmers worth their salt could write their own version of GetProcAddress, given the information on the PE module format in 8. An alternative approach I took was to use a .DEF file with the Visual C++ LIB.EXE to create a KERNEL32 import library with the undocumented functions. The WIN32WLK program later in the chapter uses this import library. Appendix A describes my Windows 95 undocumented KERNEL32 functions import library. Let's return to a discussion of the rational code in IGetProcAddress. After successfully finding the specified function address, you'd think that IGetProcAddress would be done. Not so fast. For some odd reason, when a process is loaded for debugging under Windows 95, calls to system DLLs (those DLLs loaded above 2GB) first go through special code stubs that the loader builds on the fly. The purpose of these stubs is to prevent application debuggers from stepping into ring 3 system DLLs. For functions that are implicitly linked to, the loader handles everything behind the scenes. However, a program that calls GetProcAddress and then calls through the pointer would ordinarily bypass these stubs. Therefore, GetProcAddress checks to see if the program is being debugged; if the address that IGetProcAddress would ordinarily return is above 2GB, IGetProcAddress looks up the corresponding stub address and returns that address instead. The final bit of IGetProcAddress checks to see if the specified function was found. If not, it sets the error value that GetLastError returns to ERROR_PROC_NOT_FOUND. Finally, IGetProcAddress leaves the critical section that it entered at the beginning of the function.

8 / Construction Contracts (IAS 11)

Gabriel felt free to install Spy Lantern Keylogger, his favorite in the category primarily because of the program s unique ability to record information simultaneously from any number of people logging in to the Citrix server With this installed, Gabriel waited until an administrator logged in, and snarfed his password..

HWND into a USER32 relative 32-bit pointer. It uses this 32-bit pointer for all its accesses to the WND structure. All the other standard system WNDPROCs do the same thing in this regard (that is, they use USER DGROUP-relative 32-bit pointers). The core of the DesktopWndProc code is a switch statement (no, the Windows 95 team hasn't switched Windows over to use MFC yet). The windows messages that DesktopWndProc handles are listed here:

1 1 1 2 2 3 5 4 2 2 16 7 4 2 5 1 6 1

Theoretically, these fields would hold a version number for the resource. These field appear to always be set to 0.

The group mode template needs to do three things: 162

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Drawing UPC-A Barcodes with C# - CodeProject
6 Apr 2005 ... Demonstrates a method to draw UPC-A barcodes using C# .

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[Solved] using c# to find check digit for modulus 103 using subset ...
Substring(i, 2)); } checkSum = sum / 103; checkDigit = sum % 103; Console ... Note that I'm just following your code here; if your calculations are ...

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