=====Operating System=====

==== Calling DLLs, OCXs and Object Methods ====

  * [[/Component%20Object%20Model%20programming|Component Object Model programming]]
  * [[/Calling%20object%20methods%20using%20structures|Calling object methods using structures]]
  * [[/Calling%20DLLs%20that%20return%20floats|Calling DLLs that return floats]]
  * [[/Calling%20DLL%20functions%20that%20return%20strings|Calling DLL functions that return strings]]
  * [[/Passing%20floating-point%20values%20to%20DLLs|Passing floating-point values to DLLs]]
  * [[/Using%20callback%20functions|Using callback functions]]
 
==== External programs ====

  * [[/Reading%20the%20exit%20code%20of%20a%20DOS%20utility|Reading the exit code of a DOS utility]]
  * [[/Returning%20errors%20from%20Windows%20commands|Returning errors from Windows commands]]
  * [[/Waiting%20for%20an%20external%20program%20to%20terminate|Waiting for an external program to terminate]]
 
==== Operating System ====

  * [[/Accessing%20the%20fast%20SYS%20interface|Accessing the fast SYS interface]]
  * [[/Adding%20an%20event%20to%20the%20event%20queue|Adding an event to the event queue]]
  * [[/Associating%20an%20application%20with%20a%20file%20type|Associating an application with a file type]]
  * [[/Avoiding%20resource%20leaks|Avoiding resource leaks]]
  * [[/Cascaded%20ON%20CLOSE%20handling|Cascaded ON CLOSE handling]]
  * [[/Compatibility%20with%20Wine|Compatibility with Wine]]
  * [[/Converting%20programs%20from%20RISC%20OS%20to%20Windows|Converting programs from RISC OS to Windows]]
  * [[/Converting%20Islamic%20dates|Converting Islamic dates]]
  * [[/Creating%20a%20shortcut|Creating a shortcut]]
  * [[/Detecting%20a%20second%20instance%20of%20a%20program|Detecting a second instance of a program]]
  * [[/Determining%20if%20the%20user%20is%20an%20administrator|Determining if the user is an administrator]]
  * [[/Discovering%20the%20system%20power%20status|Discovering the system power status]]
  * [[/Finding%20the%20CPU%20usage|Finding the CPU usage]]
  * [[/Finding%20the%20current%20user%20name|Finding the current user name]]
  * [[/Finding%20the%20default%20national%20language|Finding the default national language]]
  * [[/Finding%20the%20ISO%20week%20number|Finding the ISO week number]]
  * [[/Getting%20the%20User%20Idle%20time|Getting the User Idle time]]
  * [[/Installing%20under%20wine|Installing under wine]]
  * [[/Listing%20other%20windows%20and%20applications|Listing other windows and applications]]
  * [[/Listing%20processes|Listing processes]]
  * [[/Opening%20a%20file%20by%20dropping%20or%20clicking|Opening a file by dropping or clicking]]
  * [[/Prompting%20for%20admin%20rights|Prompting for admin rights]]
  * [[/Queueing%20event%20interrupts|Queueing event interrupts]]
  * [[/Reading%20Environment%20Variables|Reading Environment Variables]]
  * [[/Reading%20the%20exit%20code%20of%20a%20DOS%20utility|Reading the exit code of a DOS utility]]
  * [[/Receiving%20dropped%20files|Receiving dropped files]]
  * [[/Responding%20to%20a%20hot%20key|Responding to a hot key]]
  * [[/Returning%20errors%20from%20Windows%20commands|Returning errors from Windows commands]]
  * [[/Shutting%20down%20the%20PC|Shutting down the PC]]
  * [[/Writing%20console%20mode%20programs%20that%20will%20also%20run%20in%20the%20IDE|Writing console mode programs that will also run in the IDE]]