8 posts - 3 authors - Last post: Nov 24, 2008Func WM_Notify_Events($hWndGUI, $MsgID, $wParam, $lParam) . . I think, hwnd is 64 bit on 64bit, not 32bit ;) .

Mar 18, 2010 – In win64 LParam is a 64bit unsigned int, so LParamLo has no meaning there. In what windows message is it used ? and what does msdn say about .

For a 64-bit architecture DWORD is incorrect and mustbe replaced with LPARAM. LPARAM type has sizes of 32 or 64 bits depending on the architecture. .

For more information about handling 64-bit integers, see Large Integers. .

On 64-bit Windows, lParam is 64-bit value. The upper 32 bits of lParam are not used. The MSDN documentation mentions the "low-order word" and "high-order .

The integral types WPARAM, LPARAM, and LRESULT are 32 bits wide on 32-bit systems and 64 bits wide on 64-bit systems. What happens when a 32-bit process.. .

Ryan H. Kawicki asked about SetWindowsHookEx WH_MOUSE Issue On 64Bit Windows. The question dealt with SetWindowsHookEx, CallNextHookEx, Windows, lParam, .

This method is incompatible with 64-bit architectures. Use postThreadMessage(int message, long wParam, long lParam) instead. .

4 posts - 3 authors - Last post: Jun 24What's the difference between wParam and lParam? . They both are 4 or 8 bytes in size in 32-bit and 64-bit development respectively. .

May 20, 2008 – All of the pointer types (includes WPARAM, LPARAM, and LRESULT) are 64 bit for 64-bit executables. This doesn't change things for 32-bit .

Oct 2, 2008 – Example 3: The following code sample fails to build on 64-bit Intel architecture with Win64 because the wparam and lparam types are now .

lParam contains the new width and height of the window as 16-bit values packed into one 32- or 64-bit number. You will need to perform some bit-shifting to .

6 posts - 2 authors - Last post: Jun 21, 2001With the actual header file 'LPARAM' will be replaced by 'long' which is 32 bit. If they change the definition of 'LPARAM' to a 64 bit value .

Jun 30, 2011 – The integral types WPARAM, LPARAM, and LRESULT are 32 bits wide on 32-bit systems and 64 bits wide on 64-bit systems. What happens when a .

According to your comment in the code a 64Bit lParam is required. I don't .

Porting your code to compile for both 32- and 64-bit Microsoft Windows is straightforward. You need only follow a few simple rules about casting pointers, .

4 answers - Jul 21, 2010@zilgo: (1) It is possible LPARAM is a 64-bit integer instead of 32-bit. (2) It is possible LPARAM is signed instead of unsigned. .

JKP Application Development Services, Declaring API functions in 64 bit Office. . lParam As Long iImage As Long End Type Private Declare Function .

Jun 29, 2011 – The integral types WPARAM , LPARAM , and LRESULT are 32 bits wide on 32-bit systems and 64 bits wide on 64-bit systems. What happens when a .

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2) NEVER use "int" or "integer" as lParam. Your code WILL crash on 64-bit windows. ONLY use IntPtr, a "ref" structure, or an "out" structure. .

3 answers - Sep 21, 2006What is lparam and wparam? . LPARAM is defined as LONG_PTR=> __int3264 . ( And in 64-bit Windows, both parameters are 64-bit values!) .

3 posts - 2 authors - Last post: Aug 24, 2005parameters wParam and lParam. First, what do the w and l stand for? . could push on a 16-bit platform. "l" for . not a clue :-) . . I believe that 64-bit Windows has 64 bits for wParam and lParam. .

2 posts - 1 author - Last post: Mar 18, 2004Use OnParse(WPARAM wParam, LPARAM lParam) The new header files have been changed to 64-bit compiler compatible. So you .

Apr 28, 2011 – LParam is also a type. In a very similar way, pointers passed in Windows . 32 bit and the lParam (always 32-bit) extending to 64 bit. .

Nov 25, 2003 – (And in 64-bit Windows, both parameters are 64-bit values! . the pointer is usually passed in the LPARAM , whereas if the message takes a .

The error message is very clear. Use OnParse(WPARAM wParam, LPARAM lParam) The new header files have been changed to 64-bit compiler compatible. So you .

In Win32 the type WPARAM coincides with UINT and LPARAM coincides with LONG. . See also the post "A common error occurring when compiling a 64-bit .

4 posts - 2 authors - Last post: May 1364-bit environment: SetItemPtrData function correctly uses 64-bit . int CALLBACK wxInternalDataCompareFunc(LPARAM lParam1, LPARAM lParam2, .

Feb 22, 2011 – LPDWORD is a pointer (the P standing for pointer); LPARAM appears to be a long . WPARAM appears to be a long (i.e. 64 bits on 64bit OS). .

2 posts - 1 author - Last post: May 4, 2005LPARAM lParam2 ) In the platform sdk the DriverProc entry point is . LPARAM is equivalent to LONG_PTR (which becomes 64 bit in Win64), .

Jul 18, 2011 – This page will talk a little bit about some of the data types that a programmer will come in contact with. . 9 WPARAM, LPARAM; 10 Next Chapter . on 32-bit machines, but are less common on 16-bit and 64 bit machines. .

Nov 8, 2010 – You must cast your parameters to a WPARAM or LPARAM data type in . . Both WPARAM, LPARAM and LRESULT are 64 bits long in 64-bit Windows. .

11 posts - 2 authors - Last post: Mar 5, 2010int SendMessageA(int hWnd,int Msg,int wParam,int lParam); . .. and __int3264 depends on whether you're running a 64-bit version of Windows. .

Sep 5, 2007 – Creating keyboard hook for 32-bit and 64-bit apps on x64. . CALLBACK PunktHook (int nCode, WPARAM wParam, LPARAM lParam); .

Apr 14, 2010 – unter Office 2010 64-Bit zum Laufen zu bekommen. . lParam = lpSelPath. End With pidl = SHBrowseForFolder(BI) If pidl Then .

These are all 64bit long, even though they're not all the same handle (HINSTANCE , for example, is just a pointer, not a real handle). Even WPARAM and LPARAM .

Jan 5, 2009 – Alexandre Julliard : include: Fix 64-bit sign extension in the MAKEWPARAM/ LPARAM macros. Alexandre Julliard julliard at winehq.org .

Posted: Wed Dec 01, 2010 11:28 pm Post subject: migrate pointer manipulation code for 64 bit (lParam), Reply with quote .

LParam.ToInt32() >> 16) And &HFFF '--- Do your stuff '. End If MyBase.WndProc( m) . Seems to me that this code crashes on 64-bit machines. .

5 posts - 4 authors - Last post: May 22Use LPARAM instead of Integer. That is what SendMessage() expects to begin with, and LPARAM will increase in size under 64-bit: .

1 post - Last post: Nov 16, 2002ie WPARAM and LPARAM are defined as 32 bit values (or 64 bit on 64 bit machines when 'ULONG_PTR' is used). edit: formatting .

Jul 11, 2011 – whats the value for hWnd,wParam,lParam under windows xp 64 bit ? after i call DialogBoxParamA windows return control to my previously .

5 answers - Mar 25, 2010LPARAM is a typedef for LONG_PTR which is a long (signed 32-bit) on win32 and __int64 (signed 64-bit) on x86. .

MakeWParam/MakeLParam/MakeLResult result incorrect on 64-bit Windows. Project: Delphi.Net, Build #: 11.0.2902.10471. Version: 11.2, Submitted By: Jordan .

21 posts - 6 authors - Last post: Jun 21, 2001Do u mean changing LPARAM from 32 Bit to 64 Bit? How? . typedef long64 LPARAM; // Assuming Microsoft come up with a new 64 bit data called .

1 post - 1 author - Last post: Nov 25, 2005LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) . bit integer on 32 bit platforms and a 64 bit integer on 64 bit platforms. .

1 answer - Oct 28, 2010However, lParam is not big enough (32 bit) to hold a double value (64 bit). But, assuming float (32 bit) instead of double, you can do it as .

4 answers - Jun 14According to this, LPARAM is defined as LONG_PTR , which in 64-bit Windows is a signed, 64-bit value. WPARAM is defined as UINT_PTR , which .

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