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  • 22:50, 13 April 2025 Martini talk contribs created page WM INITDLG (Created page with "This message occurs when a dialog box is being created. ==Syntax== <PRE> param1 HWND hwnd; Focus window handle.: param2 PVOID pcreate; Application-defined data area.: </PRE> ==Parameters== ;hwnd (HWND) - Input : The handle of the control window that is to receive the input focus. ;pcreate (PVOID) - Input : This points to the data area and is passed by the WinLoadDlg, WinCreateDlg, and WinDlgBox functions in their parameter. Thi...")
  • 22:47, 13 April 2025 Martini talk contribs created page WM SEM4 (Created page with "This message is sent or posted by an application. ==Syntax== <PRE> param1 ULONG flAccumBits; Semaphore value.: param2 ULONG ulReserved1; Reserved value, should be 0.: </PRE> ==Parameters== ;flAccumBits (ULONG) - Input : Semaphore value. The semaphore values from all the WM_SEM4 messages posted to a queue, are accumulated by a logical-OR operation. ;ulReserved1 (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved2 (UL...")
  • 22:46, 13 April 2025 Martini talk contribs created page WM SEM3 (Created page with "This message is sent or posted by an application. ==Syntax== <PRE> param1 ULONG flAccumBits; Semaphore value.: param2 ULONG ulReserved1; Reserved value, should be 0.: </PRE> ==Parameters== ;flAccumBits (ULONG) - Input : Semaphore value. The semaphore values from all the WM_SEM3 messages posted to a queue, are accumulated by a logical-OR operation. ;ulReserved1 (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved2 (UL...")
  • 22:45, 13 April 2025 Martini talk contribs created page WM SEM2 (Created page with "This message is sent or posted by an application. ==Syntax== <PRE> param1 ULONG flAccumBits; Semaphore value.: param2 ULONG ulReserved1; Reserved value, should be 0.: </PRE> ==Parameters== ;flAccumBits (ULONG) - Input : Semaphore value. The semaphore values from all the WM_SEM2 messages posted to a queue, are accumulated by a logical-OR operation. ;ulReserved1 (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved2 (UL...")
  • 22:45, 13 April 2025 Martini talk contribs created page WM SEM1 (Created page with "This message is sent or posted by an application. ==Syntax== <PRE> param1 ULONG flAccumBits; Semaphore value.: param2 ULONG ulReserved1; Reserved value, should be 0.: </PRE> ==Parameters== ;flAccumBits (ULONG) - Input : Semaphore value. The semaphore values from all the WM_SEM1 messages posted to a queue, are accumulated by a logical-OR operation. ;ulReserved1 (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved2 (ULON...")
  • 22:44, 13 April 2025 Martini talk contribs created page WM RENDERALLFMTS (Created page with "This message is sent to the application that owns the clipboard while the application is being destroyed. ==Syntax== <PRE> param1 ULONG ulReserved; Reserved value, should be 0.: param2 ULONG ulReserved; Reserved value, should be 0.: </PRE> ==Parameters== ;ulReserved (ULONG) - Input : Reserved value, should be 0. ;ulReserved (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved (ULONG) - returns : Reserved value, sho...")
  • 22:42, 13 April 2025 Martini talk contribs created page WM HSCROLLCLIPBOARD (Created page with "This message is sent to the clipboard-owner window when the clipboard contains a data handle for the CFI_OWNERDISPLAY format, and there is an event in the clipboard viewer's horizontal scroll bar. ==Syntax== <PRE> param1 HWND hwndViewer; Handle.: param2 SHORT sposScroll; Scroll position.: SHORT scodeScroll; Scroll-bar code.: </PRE> ==Parameters== ;hwndViewer (HWND) - Input : This contains a handle to the clipboard application win...")
  • 22:40, 13 April 2025 Martini talk contribs created page WM CREATE (Created page with "This message occurs when an application requests the creation of a window. ==Syntax== <PRE> param1 PVOID ctldata; Pointer to control data.: param2 PCREATESTRUCT pCREATE; Create structure.: </PRE> ==Parameters== ;ctldata (PVOID) - Input : Pointer to control data. This points to a Control-Data data structure initialized with the data provided in the parameter of the WinCreateWindow function. This pointer is also contained in the...")
  • 22:39, 13 April 2025 Martini talk contribs created page WM CALCVALIDRECTS (Created page with "This message is sent from WinSetWindowPos and WinSetMultWindowPos to determine which areas of a window can be preserved if a window is sized, and which should be redisplayed. ==Syntax== <PRE> param1 PRECTL pOldNew; Window-rectangle structures.: param2 PSWP pNew; New window position.: </PRE> ==Parameters== ;pOldNew (PRECTL) - Input/Output : This points to two RECTL structures. The first structure contains the rectangle of t...")
  • 22:36, 13 April 2025 Martini talk contribs created page WM DESTROYCLIPBOARD (Created page with "This message is sent to the clipboard owner when the clipboard is emptied through a call to WinEmptyClipbrd. ==Syntax== <PRE> param1 ULONG ulReserved; Reserved value, should be 0.: param2 ULONG ulReserved; Reserved value, should be 0.: </PRE> ==Parameters== ;ulReserved (ULONG) - Input : Reserved value, should be 0. ;ulReserved (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved (ULONG) - returns : Reserved val...")
  • 22:33, 13 April 2025 Martini talk contribs created page WM DESTROY (Created page with "This message is sent to the clipboard owner when the clipboard is emptied through a call to WinEmptyClipbrd. ==Syntax== <PRE> param1 ULONG ulReserved; Reserved value, should be 0.: param2 ULONG ulReserved; Reserved value, should be 0.: </PRE> ==Parameters== ;ulReserved (ULONG) - Input : Reserved value, should be 0. ;ulReserved (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved (ULONG) - returns : Reserved val...")
  • 22:31, 13 April 2025 Martini talk contribs created page WM WINDOWPOSCHANGED (Created page with "If this message has any of the values of the '''fl''' parameter of the SWP structure set, with the exception of the SWP_NOADJUST and SWP_NOREDRAW values, it is sent to the window procedure of the window whose position is changed. This message is also sent if the return value from the WM_ADJUSTWINDOWPOS is not NULL. ==Syntax== <PRE> param1 PSWP pswp; SWP structures.: param2 ULONG flAwp; Adjust window position status indicators.: </PRE> ==...")
  • 22:30, 13 April 2025 Martini talk contribs created page WM ADJUSTWINDOWPOS (Created page with "This message is sent by the WinSetWindowPos call to enable the window to adjust its new position or size whenever it is about to be moved. ==Syntax== <PRE> param1 PSWP pswp; SWP structure pointer.: param2 ULONG flzero; Zero.: </PRE> ==Parameters== ;pswp (PSWP) - Input : SWP structure pointer. The structure has been filled in by the WinSetWindowPos function with the proposed move or size data. The control can adjust this new positi...")
  • 22:27, 13 April 2025 Martini talk contribs created page WM BUTTON2DOWN (Created page with "This message occurs when the operator presses button 2 on the pointing device. ==Syntax== <PRE> param1 POINTS ptspointerpos; Pointer position.: param2 USHORT fsHitTestres; Hit-test result.: USHORT fsflags; Keyboard control codes.: </PRE> ==Parameters== ;ptspointerpos (POINTS) - Input : Pointer position. The pointer position is in window coordinates relative to the bottom-left corner of the window. ;fsHitTestres (USHOR...")
  • 22:24, 13 April 2025 Martini talk contribs created page WM MOUSEMOVE (Created page with "This message occurs when the pointing device pointer moves. ==Syntax== <PRE> param1 SHORT sxMouse; Pointing device x-coordinate.: SHORT syMouse; Pointing device y-coordinate.: param2 USHORT uswHitTest; Message result.: USHORT fsflags; Keyboard control codes.: </PRE> ==Parameters== ;sxMouse (SHORT) - Input : Pointing device x-coordinate. ;syMouse (SHORT) - Input : Pointing device y-coordinate. ;uswHitTest ([...")
  • 22:22, 13 April 2025 Martini talk contribs created page WM HITTEST (Created page with "This message is sent to determine which window is associated with an input from the pointing device. ==Syntax== <PRE> param1 POINTS ptspointerpos; Pointer position.: param2 ULONG ulReserved; Reserved value, should be 0.: </PRE> ==Parameters== ;ptspointerpos (POINTS) - Input : Pointer position. The pointer position is in window coordinates relative to the bottom-left corner of the window. ;ulReserved (ULONG) - Input : Reserved value,...")
  • 22:19, 13 April 2025 Martini talk contribs created page WM DRAWCLIPBOARD (Created page with "This message is sent to the clipboard viewer window whenever the contents of the clipboard change; that is, as a result of the WinCloseClipbrd function following a call to WinSetClipbrdData. ==Syntax== <PRE> param1 ULONG ulReserved; Reserved value, should be 0.: param2 ULONG ulReserved; Reserved value, should be 0.: </PRE> ==Parameters== ;ulReserved (ULONG) - Input : Reserved value, should be 0. ;ulReserved (ULONG) - Input : Rese...")
  • 22:17, 13 April 2025 Martini talk contribs created page WM BUTTON1DOWN (Created page with "This message occurs when the operator presses pointer button one. ==Syntax== <PRE> param1 POINTS ptspointerpos; Pointer position.: param2 USHORT fsHitTestres; Hit-test result.: USHORT fsflags; Keyboard control codes.: </PRE> ==Parameters== ;ptspointerpos (POINTS) - Input : Pointer position. The pointer position is in window coordinates relative to the bottom-left corner of the window. ;fsHitTestres (USHORT) - Input...")
  • 22:12, 13 April 2025 Martini talk contribs created page WM BUTTON1DBLCLK (Created page with "This message occurs when the operator presses button 1 of the pointing device twice within a specified time. ==Syntax== <PRE> param1 POINTS ptspointerpos; Pointer position.: param2 USHORT fsHitTestres; Hit-test result.: USHORT fsflags; Keyboard control codes.: </PRE> ==Parameters== ;ptspointerpos (POINTS) - Input : Pointer position. The pointer position is in window coordinates relative to the bottom-left corner of the...")
  • 22:08, 13 April 2025 Martini talk contribs created page WM RENDERFMT (Created page with "This message is a request to the clipboard owner to render the data of the specified format. ==Syntax== <PRE> param1 USHORT usfmt; Data format.: param2 ULONG ulReserved; Reserved value, should be 0.: </PRE> ==Parameters== ;usfmt (USHORT) - Input : Data format. This is the format of the data to be rendered. :;CF_BITMAP: A bit map. :;CF_DSPBITMAP: A bit-map representation of a private data format. :;CF_DSPMETAFILE: A metafile representati...")
  • 22:06, 13 April 2025 Martini talk contribs created page WM SIZECLIPBOARD (Created page with "This message is sent when the clipboard contains a data handle for the CFI_OWNERDISPLAY format, and the clipboard application window has changed size. ==Syntax== <PRE> param1 HWND hwndViewer; Handle of viewer window.: param2 PRECTL ppaint; Rectangle to be re-painted.: </PRE> ==Parameters== ;hwndViewer (HWND) - Input : Handle of viewer window. ;ppaint (PRECTL) - Input : Rectangle to be re-painted. ==Returns== ;ulReserved (ULONG...")
  • 22:04, 13 April 2025 Martini talk contribs created page WM PAINTCLIPBOARD (Created page with "This message is sent when the clipboard contains a data handle with the CFI_OWNERDISPLAY information flag set. ==Syntax== {{code| param1 HWND hwndViewer; Handle.: param2 ULONG ulReserved; Reserved value, should be 0.: }} ==Parameters== ;hwndViewer (HWND) - Input : Handle to the clipboard application window. ;ulReserved (ULONG) - Input : Reserved value, should be 0. ==Returns== ;ulReserved (ULONG) - returns : Reserved value, should...")
  • 21:44, 13 April 2025 Martini talk contribs created page WM CHAR (Created page with "This message is sent when an operator presses a key. ==Syntax== <PRE> param1 USHORT fsflags Keyboard control codes.: UCHAR ucrepeat Repeat count.: UCHAR ucscancode Hardware scan code.: param2 USHORT usch Character code.: USHORT usvk Virtual key codes.: </PRE> ==Parameters== ;fsflags (USHORT) - Input : Keyboard control codes. :;KC_CHAR: Indicates that usch value is valid. :;KC_SCANCODE:...")
  • 19:45, 13 April 2025 Martini talk contribs created page WndProc (Created page with "This defines the window procedure provided by an application. ==Syntax== WndProc(hwnd, msg, mp1, mp2); ==Parameters== ;''hwnd'' (HWND) - input: Window handle. ;''msg'' (ULONG) - input: Message identity. ;''mp1'' (MPARAM) - input: Message parameter 1. ;''mp2'' (MPARAM) - input: Message parameter 2. ==Returns== ;''mresReply'' (MRESULT) - returns: Message-return data. ==Remarks== This procedure is associated with a window by the ''pfnWndProc'' of the WinRegisterClass...")
  • 19:43, 13 April 2025 Martini talk contribs created page WindowDCHook (Created page with "This hook is called when a device context is allocated or freed. ==Syntax== WindowDCHook(hab, hdc, hwnd, flAssociate); ==Parameters== ;''hab'' (HAB) - input: The application anchor block. ;''hdc'' (HDC) - input: The current device-context handle. ;''hwnd'' (HWND) - input: The current window handle. ;''flAssociate'' (BOOL) - input: Association flag. :TRUE: Device context has been allocated. :FALSE: Device context has been freed. ;''rc'' (BOOL) - returns: Success indica...")
  • 19:43, 13 April 2025 Martini talk contribs created page ThunkProc (Created page with "This procedure provides pointer conversion for application-defined messages. ==Syntax== ThunkProc(hwnd, usmsg, mpParam1, mpParam2, pWndProc); ==Parameters== ;''hwnd'' (HWND) - input: Window handle. ;''usmsg'' (USHORT) - input: Message identity. :This is an application-defined message. The value is greater than or equal to WM_USER. ;''mpParam1'' (MPARAM) - input: Message parameter 1. ;''mpParam2'' (MPARAM) - input: Message parameter 2. ;''pWndProc'' (PFNWP) - input: Wi...")
  • 19:41, 13 April 2025 Martini talk contribs created page SendMsgHook (Created page with "This hook filters messages sent by the WinSendMsg function. ==Syntax== SendMsgHook(hab, psmh, fInterTask); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''psmh'' (PSMHSTRUCT) - input: Pointer to a send message hook structure. :This a structure contains the parameters to the WinSendMsg function. ;''fInterTask'' (BOOL) - input: Intertask indicator. :TRUE: The message is sent between tasks (intertask). :FALSE: The message is sent within a task (int...")
  • 19:40, 13 April 2025 Martini talk contribs created page RegisterUserHook (Created page with "This hook is called whenever a user message or data type is registered. ==Syntax== RegisterUserHook(hab, cUshort, arRMP, fRegistered); ==Parameters== ;''hab'' (HAB) - input: The application anchor block. ;''cUshort'' (ULONG) - input: Number of data type codes. :For data types, this parameter is the number of data type codes in ''arRMP'', This value must not be less than one. :For messages, this parameter is set to 0. ;''arRMP'' (PUSHORT) - input: Array of data type co...")
  • 19:39, 13 April 2025 Martini talk contribs created page ProgramListExitHook (Created page with "This hook chain is called every time a program-list call or initialization file call is invoked by an application. It is called before the call is run. ==Syntax== ProgramListExitHook(hab, pProfileHookParams); ==Parameters== ;''hab'' (HAB) - input: Anchor block handle. ;''pProfileHookParams'' (PRFHOOKPARMS) - input: Profile hook parameters. These identify the call and give its parameters and return code. See PRFHOOKPARMS. ;''rc'' (BOOL) - returns: Process indicator...")
  • 19:38, 13 April 2025 Martini talk contribs created page ProgramListEntryHook (Created page with "This hook chain is called every time a program-list call or initialization file call is invoked by an application. It is called before the call is run. ==Syntax== rc = ProgramListEntryHook(hab, pProfileHookParams, fNoExecute); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''pProfileHookParams'' (PRFHOOKPARMS) - input: Profile hook parameters. These identify the call and give its parameters and return code. See PRFHOOKPARMS for more information. ;''fN...")
  • 19:36, 13 April 2025 Martini talk contribs created page MsgInputHook (Created page with "This function is specific to OS/2 Version 2.1 or higher. ==Syntax== MsgInputHook(hab, pQmsg, fSkip, pfNoRecord); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''pQmsg'' (PQMSG) - in/out: Queue message data structure. :A queue message data structure to be filled in with a simulated mouse or keyboard message. ;''fSkip'' (BOOL) - input: Skip message flag. :TRUE: The hook should advance to the next message. No message is passed in when ''fSkip'' is set to T...")
  • 19:35, 13 April 2025 Martini talk contribs created page MsgFilterHook (Created page with "This hook filters messages from inside a mode loop. ==Syntax== rc = MsgFilterHook(hab, pQmsg, msgf); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''pQmsg'' (PQMSG) - input: A queue message data structure. ;''msgf'' (ULONG) - input: Context in which the hook has been called. :MSGF_DIALOGBOX Dialog-box mode loop. :MSGF_TRACK Window-movement and size tracking. When this hook is used the TRACKINFO structure specified the ''ptiTrackinfo'' parameter of th...")
  • 19:27, 13 April 2025 Martini talk contribs created page LockupHook (Created page with "This function is specific to OS/2 Version 2.1 or higher. This hook is called when the system locks itself up. ==Syntax== LockupHook(hab, hwndLockupFrame); ==Parameters== ;''hab'' (HAB) - input: The application anchor block. ;''hwndLockupFrame'' (HWND) - input: The frame window of the lockup panel. ==Returns== There is no return value for this hook. ==Remarks== The ''hwndLockupFrame'' parameter contains the frame window handle of the lockup dialog. All HK_LOCKUP hook...")
  • 17:21, 13 April 2025 Martini talk contribs created page LoaderHook (Created page with "This hook allows the library and procedure loading and deleting calls to be intercepted. ==Syntax== rc = LoaderHook(hab, idContext, pszLibname, hlib, pszProcname, wndProc, pfSuccess); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''idContext'' (LONG) - input: Origin of call to hook. :LHK_DELETEPROC WinDeleteProcedure :LHK_DELETELIB WinDeleteLibrary :LHK_LOADPROC WinLoadProcedure :LHK_LOADLIB WinLoadLibrary ;''pszLibname'' (PSZ) - input: L...")
  • 17:20, 13 April 2025 Martini talk contribs created page JournalRecordHook (Created page with "This hook records user-input messages. ==Syntax== JournalRecordHook(hab, pQmsg); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''pQmsg'' (PQMSG) - input: Data structure that contains the message to be recorded. :The ''time'' field of the QMSG structure is also set when the hook is called. ==Returns== There is no return value for this hook. ==Remarks== This hook is called ''after'' raw input is translated to WM_CHAR or WM_BUTTON1DBLCLK messa...")
  • 17:19, 13 April 2025 Martini talk contribs created page JournalPlaybackHook (Created page with "This hook plays back recorded messages. ==Syntax== ulTime = JournalPlaybackHook(hab, fSkip, pQmsg); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''fSkip'' (BOOL) - input: Indicator as to whether the next message should be played back. :TRUE: The journal playback hook skips to the next message. The ''pQmsg'' parameter is NULL in this case. The next hook in the chain is not called. :FALSE: The journal playback hook returns the next available message. The...")
  • 17:19, 13 April 2025 Martini talk contribs created page InputHook (Created page with "This hook filters messages from the input queue. ==Syntax== InputHook(hab, pQmsg, fs); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''pQmsg'' (PQMSG) - input: A QMSG data structure. ;''fs'' (ULONG) - input: Message removal options. :PM_REMOVE Message is being removed from queue :PM_NOREMOVE Message is not being removed from queue ==Returns== ;''rc'' (BOOL) - returns: Processed indicator. :TRUE: The message is not passed on to the next hook in t...")
  • 17:16, 13 April 2025 Martini talk contribs created page HelpHook (Created page with "This hook processes help requests. ==Syntax== HelpHook(hab, usMode, idTopic, idSubTopic, prcPosition); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''usMode'' (ULONG) - input: Help mode. :This has one of the following values, indicating the mode from which help has been requested: ::HLPM_FRAME Standard (standard window) ::HLPM_WINDOW Standard (standard window) ::HLPM_MENU Menu mode ;''idTopic'' (ULONG) - input: Topic identifier. ::In menu mode this is...")
  • 04:59, 13 April 2025 Martini talk contribs created page FlushBufHook (Created page with "This function is specific to OS/2 Version 2.1 or higher. This hook allows applications to save data before the system reboots. ==Syntax== FlushBufHook(hab); ==Parameters== ;''hab'' (HAB) - input: Application anchor block. ==Returns== ;''rc'' (BOOL) - returns: Return code. :TRUE: Successful completion. :FALSE: An error occurred. ==Remarks== This hook is called to notify applications that the system is rebooting due to a Ctrl+Alt+Del sequence being entered. It enables...")
  • 04:56, 13 April 2025 Martini talk contribs created page FindWordHook (Created page with "This hook allows an application to control where the WinDrawText function breaks a character string that is too long for the drawing rectangle. ==Syntax== FindWordHook(usCodepage, pszText, cb, ich, pichStart, pichEnd, pichNext); ==Parameters== ;''usCodepage'' (USHORT) - input: Codepage to use. :This parameter contains the codepage identifier of the string to be formatted. ;''pszText'' (PSZ) - input: Text to break. :This parameter contains a pointer to the actual st...")
  • 04:54, 13 April 2025 Martini talk contribs created page DialogProc (Created page with "This is a window procedure that automatically subclasses each instance of a dialog box. ==Syntax== DialogProc(hwnd, usmsg, mpParam1, mpParam2); ==Parameters== ;''hwnd'' (HWND) - input: Handle of the window to which the message applies. ;''usmsg'' (USHORT) - input: Message identity. ;''mpParam1'' (MPARAM) - input: Message parameter 1. ;''mpParam2'' (MPARAM) - input: Message parameter 2. ==Returns== ;''mresReply'' (MRESULT) - returns: Message-return data. ==Remarks== T...")
  • 04:52, 13 April 2025 Martini talk contribs created page DestroyWindowHook (Created page with "This hook is called whenever a window is destroyed. ==Syntax== DestroyWindowHook(hab, hwnd, ulReserved); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''hwnd'' (HWND) - input: The handle of the window being destroyed. ;''ulReserved'' (ULONG) - input: Reserved. ==Returns== ;''rc'' (BOOL) - returns: Success indicator. :TRUE: Successful completion :FALSE: Error occurred. ==Remarks== This hook is sent after the WM_DESTROY message has been sent and jus...")
  • 04:49, 13 April 2025 Martini talk contribs created page CodePageChangedHook (Created page with "This hook notifies that a message queue code page has been changed. ==Syntax== CodePageChangedHook(hmq, usOldCodePage, usNewCodePage); ==Parameters== ;''hmq'' (HMQ) - input: Message-queue handle. :The handle of the message queue that is changing its code page. ;''usOldCodePage'' (ULONG) - input: Previous code page. ;''usNewCodePage'' (ULONG) - input: New code page. ==Returns== There is no return value for this hook. ==Remarks== This hook is sent to all hooks chained...")
  • 04:47, 13 April 2025 Martini talk contribs created page CheckMsgFilterHook (Created page with "This hook is called whenever WinGetMsg, WinWaitMsg, or WinPeekMsg are used to filter message identities. ==Syntax== CheckMsgFilterHook(hab, pQmsg, usFirst, usLast, fOptions); ==Parameters== ;''hab'' (HAB) - input: Anchor-block handle. ;''pQmsg'' (PQMSG) - input: Pointer to the QMSG structure of the message currently being reviewed. ;''usFirst'' (ULONG) - input: First message identity specified on a call to the WinGetMsg, WinPeekMsg or WinWaitMsg functi...")
  • 19:38, 9 April 2025 Martini talk contribs moved page MsgControlHook* to MsgControlHook without leaving a redirect
  • 19:38, 9 April 2025 Martini talk contribs created page MsgControlHook* (Created page with "This hook allows the call to determine the flow of messages to be intercepted. ==Syntax== MsgControlHook(hab, idContext, hwnd, pszClassName, usMsgClass, idControl, fSuccess); ==Parameters== ;hab (HAB) - input : Anchor-block handle. ;idContext (LONG) - input : Origin of call to hook. :;MCHK_CLASSMSGINTEREST: WinSetClassMsgInterest :;MCHK_MSGINTEREST: WinSetMsgInterest :;MCHK_MSGMODE: WinSetMsgMode :;MCHK_SYNCHRONISATION: WinSetSynchroMode ;hwnd (HWND)...")
  • 19:30, 9 April 2025 Martini talk contribs created page WM ADJUSTFRAMEPOS (Created page with "This message is sent to a frame window whose position or size is to be adjusted. ==Syntax== param1 PSWP pswp New frame window state.: param2 HSAVEWP hsavewphsvwp Identifier of the frame window repositioning process.: ==Parameters== ; pswp (PSWP) :New frame window state. :This points to a SWP structure. :The structure has been filled in by the WinSetWindowPos or WinSetMultWindowPos functions with the proposed move or size data fo...")
  • 19:25, 9 April 2025 Martini talk contribs created page WM ACTIVATE (Created page with "This message occurs when an application causes the activation or deactivation of a window. ==Syntax== param1 USHORT usactive Active indicator.: param2 HWND hwnd Window handle.: ==Parameters== ; usactive (USHORT) :Active indicator. :;TRUE ::he window is being activated :;FALSE ::The window is being deactivated. ;hwnd (HWND) :Window handle. :In the case of activation, hwnd identifies the window being activated. In the case of d...")
  • 19:13, 9 April 2025 Martini talk contribs created page DrgGetClipPS (Created page with ";Note: This in undocumented function. Information may not be accurate. ==Syntax== DrgGetClipPS(hwnd, hwndClip, fl) ==Parameters== ; hwnd (HWND) - input: ; hwndClip (HWND) - input: ; fl (ULONG) - input: Category:Drg")
  • 18:57, 9 April 2025 Martini talk contribs created page DrgQueryFormat (Created page with ";Note: This in undocumented function. Information may not be accurate. This function allows to query the data format of a drag operation. It is possible that this function was replaced by functions DrgQueryNativeRMF and DrgQueryNativeRMFLen, plus possibly DrgQueryTrueType and DrgQueryTrueTypeLen. ==Syntax== DrgQueryFormat(pditem, a, b, c, d) ==Parameters== PDRAGITEM dragItem, PCSZ a, ULONG b, PCSZ c, ULONG d ;pditem (PDRAGITEM) - input: Pointer to...")
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