en:docs:switcher:1

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en:docs:switcher:1 [2026/02/17 07:12] – prokusheven:docs:switcher:1 [2026/02/18 04:59] (current) – prokushev
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 called by the task switcher called by the task switcher
- this function is hooked by clients which require notification of task + 
-   switcher activities; the call must first be passed on to the prior +this function is hooked by clients which require notification of task 
-   handler with registers unchanged using a simulated interrupt. On +switcher activities; the call must first be passed on to the prior 
-   return, the client must build a callback info structure and store +handler with registers unchanged using a simulated interrupt. On 
-   the returned ES:BX in the "next" field, then return the address of +return, the client must build a callback info structure and store 
-   its own callback info structure. +the returned ES:BX in the "next" field, then return the address of 
- a client program must add itself to the notification chain if it +its own callback info structure. 
-   provides services to other programs; before terminating, it must + 
-   remove itself from the chain by calling the task switcher's entry +a client program must add itself to the notification chain if it 
-   point with AX=0005h (see #02819) +provides services to other programs; before terminating, it must 
- the task switcher entry point should not be saved, as it is subject to +remove itself from the chain by calling the task switcher's entry 
-   change and will be provided on any notification call +point with AX=0005h (see #02819) 
- the Windows 3.1 Standard Mode supports this API+ 
 +the task switcher entry point should not be saved, as it is subject to 
 +change and will be provided on any notification call 
 + 
 +the Windows 3.1 Standard Mode supports this API
  
 ===== See also ===== ===== See also =====