You should install a hook only when necessary, and remove it as soon as possible. The values of the wParam and lParam parameters depend on the hook code, but they typically contain information about a message that was sent or posted. A thread-specific hook monitors messages for only an individual thread. A thread-specific hook procedure is called only in the context of the associated thread. The hook procedures for some types of hooks kemya only monitor messages; others can modify messages or stop their progress through the chain, preventing them from hook up event kenya the next hook procedure or the destination window. For example, an application often examines a new message in the main loop between the time it retrieves the message from the queue and the time it dispatches the message, performing special processing as appropriate. For more information, see the callback function. The system maintains a separate hook chain for each type of hook. For more information, see the hook up event kenya function. The nCode parameter is a hook code that the hook procedure uses to determine the action to perform. The structure contains the return value from the window procedure that processed the message, as well as the message parameters associated with the message. This value tells the system how many milliseconds to wait before processing the current message from the playback hook. Note You should use global hooks only for debugging purposes; otherwise, you should avoid them. When an event occurs that is monitored by a particular kenyq of hook, the system calls the procedure at the u of the hook chain associated with the hook. For more information, see the callback function. This enables the hook to control the timing of the events it plays back.
Note that the hook procedures for some types of hooks can only monitor messages. A hook procedure can act on each event it receives, and then modify or discard the event. When a message occurs that is associated with a particular type of hook, the system passes the message to each hook procedure referenced in the hook chain, one after the other. For more information, see the callback function.
A function that intercepts a particular type of event is known as a hook procedure. The value of yook hook code depends on the type of the hook; each type has its own characteristic set of hook codes.
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♥♥♥ Link: Hook up event kenya
You should install a hook only when necessary, and remove it as soon as possible. The values of the wParam and lParam parameters depend on the hook code, but they typically contain information about a message that was sent or posted. A thread-specific hook monitors messages for only an individual thread. A thread-specific hook procedure is called only in the context of the associated thread. The hook procedures for some types of hooks kemya only monitor messages; others can modify messages or stop their progress through the chain, preventing them from hook up event kenya the next hook procedure or the destination window. For example, an application often examines a new message in the main loop between the time it retrieves the message from the queue and the time it dispatches the message, performing special processing as appropriate. For more information, see the callback function. The system maintains a separate hook chain for each type of hook. For more information, see the hook up event kenya function. The nCode parameter is a hook code that the hook procedure uses to determine the action to perform. The structure contains the return value from the window procedure that processed the message, as well as the message parameters associated with the message. This value tells the system how many milliseconds to wait before processing the current message from the playback hook. Note You should use global hooks only for debugging purposes; otherwise, you should avoid them. When an event occurs that is monitored by a particular kenyq of hook, the system calls the procedure at the u of the hook chain associated with the hook. For more information, see the callback function. This enables the hook to control the timing of the events it plays back. Note that the hook procedures for some types of hooks can only monitor messages. A hook procedure can act on each event it receives, and then modify or discard the event. When a message occurs that is associated with a particular type of hook, the system passes the message to each hook procedure referenced in the hook chain, one after the other. For more information, see the callback function. A function that intercepts a particular type of event is known as a hook procedure. The value of yook hook code depends on the type of the hook; each type has its own characteristic set of hook codes.