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Generally, each application has its own data segment. This mearn they are independent where two applications use a dll together. But, sometimes, we want to know what other applications are doing. So we want used a shared memory. There are many ways to do so, use a shared DLL section is one of them.
Following is the simply step to create a shared memory.
1. Create a DLL project.
2. Create a segment named “.shared”, and create shared members at this section.
char theBuffer = "";
3. Define this section as shared. This is defined at TheDll.def file.
.shared READ WRITE SHARED