I have implemented IPC mechanism using RegisterWindowMessage .
The sending app allocates memory using GlobalAlloc and gets the pointer using GlobalLock and casts it to ptr to struct and assigns value to it. Then it calls GlobalUnlock and sends the HGLOBAL as lparam of PostMessage. The receiving app converts the HGLOBAL into
a pointer(GlobalLock) and the pointer is not NULL. But when I try to read the contents of the pointer I get an access violation. I tried various ways of GlobalLock etc but in vain.
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Ownerdraw of the grid button. A singleton class implentation and usage.
Continuing from the fifth article about sudoku.
Open the project in visual studio.
Go to the class view – CGridButton should be visible as a class. R…
Have you tried to learn about Unicode, UTF-8, and multibyte text encoding and all the articles are just too "academic" or too technical? This article aims to make the whole topic easy for just about anyone to understand.
Many functions in Excel can make decisions. The most simple of these is the IF function: it returns a value depending on whether a condition you describe is true or false. Once you get the hang of using the IF function, you will find it easier to us…