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Is Microsoft the only one able to Create API calls or can anyone create a new API call. Considering they know what the heck they are doing.
Like with Windows XP. Are there a certain number of API calls that are sent with the OS or can programmers add to them and create new ones as well.
You can create your own API's.
Seagate and Delphi are 2 programs which have their own ones.
You can't add to the windows API's though,what I am on about here is a set of calls or functions contained in one or more Dll files which are specific to one or more of your own programs (i.e. the Seagate API's are only useful when writing apps which use parts of crystal reports or seagate info for example).
In VB, when you write a ActiveX DLL, the methods exposed for your objects could be considered an API.
The API's main purpose in VB is to get access to the core operating system functions. So you're limited to what the OS has in its arsenal. (Yeah you can create APIs, but not Window's APIs)