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What does mov [edi+68h], eax mean in the following asm code

.text:0083FB35       call    esi ; RegisterWindowMessageW
.text:0083FB37       push    offset My_Priv8_Msg ; "MY_PRIVATE_MSG"
.text:0083FB3C       mov     [edi+68h], eax
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    It moves the result of the RegisterWindowMessageW function, that is returned in eax, to a memory location. Probably a structure member with edi being a pointer to the structure and 0x68 the offset of the structure member within the structure. – Guntram Blohm Sep 20 '15 at 6:03
1

The result of the call to the RegisterWindoMessageW is stored in eax. esi is a pointer and the code is saving the result of the function call to the address pointed to by esi plus offset 68h.

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