Re: Question about type casting.

Yes it doesn't complain when the arguments are like this:

gtk_menu_bar_append(GTK_MENU_BAR(menu_bar), file_item);

or like this:

gtk_menu_bar_append(menu_bar, file_item);

But when i use the following line compiler complains:

gtk_menu_bar_append(GTK_MENU_BAR(menu_bar), GTK_MENU_ITEM(file_item));

Why's compiler complaining? Is there any way to know when to use type casting and when not to for arguments of macro? Do i have to write-compile-run each time in order to know which combination works correctly? Or is there a better way to know for sure?

Thanks for your time.

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