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General and Gameplay Programming Programming

Started by chillah November 16, 2001 02:23 PM

3 comments, last by chillah 22 years, 5 months ago

chillah

122

Author

November 16, 2001 02:23 PM

Ok, say I am making a game (wow, think of that) and I have multiple files. Say I make one .h file with all of the main includes and variables used in almost every file. I include this .h file into all of the .cpp files. Almost every file has at least one function that requires the handle of the main window. My question is this: Can I use extern to put the handle of my main window in the .h file that I include in all of my other files.? Would this work? Edited by - chillah on November 16, 2001 3:26:53 PM

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Oluseyi

2,123

November 16, 2001 02:47 PM

That''s not a Windows question, it''s a C/C++ one.

Anyway, you can place your extern in the header file and include it in all your source files, but make sure to actually define the variable somewhere (ie without the ''extern''.)