C language function:GetMessageExtraInfo sample codes

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TITLE : Simulate Mouse Event using SendInput and SetCursorPos | Aland's Space
static extern IntPtr GetMessageExtraInfo();.......
http://alala666888.wordpress.com/2010/09/17/simulate-mouse-event-using-sendinput-and-setcursorpos/


TITLE : Programmatically Detect and Send Num Lock and Caps Lock - Visual Basic .NET
myInput.ki.dwExtraInfo = GetMessageExtraInfo().......
http://bytes.com/topic/visual-basic-net/answers/379346-programmatically-detect-send-num-lock-caps-lock
TITLE : [C#] Sending keys with the SendInput API
public static extern IntPtr GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : [C#] Sending keys with the SendInput API
structure.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : [C#] Sending keys with the SendInput API
input2.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : [C#] Sending keys with the SendInput API
structure.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : [C#] Sending keys with the SendInput API
input2.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : [C#] Sending keys with the SendInput API
INPUT1.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : [C#] Sending keys with the SendInput API
INPUT2.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://damiproductions.darkbb.com/t504-c-sending-keys-with-the-sendinput-api
TITLE : Sending Keystrokes to Other Apps with Windows API and C# - DZone Mobile
dwExtraInfo = WindowsAPI.GetMessageExtraInfo(),.......
http://dzone.com/articles/sending-keys-other-apps
TITLE : Sending Keystrokes to Other Apps with Windows API and C# - DZone Mobile
dwExtraInfo = WindowsAPI.GetMessageExtraInfo(),.......
http://dzone.com/articles/sending-keys-other-apps
TITLE : Martin Tall On Gaze Interaction: February 2008
static extern IntPtr GetMessageExtraInfo();.......
http://gazeinteraction.blogspot.com/2008/02/
TITLE : Mikan/DirectXInput.cpp at master HirokiMiyaoka/Mikan GitHub
input.ki.dwExtraInfo = GetMessageExtraInfo();.......
http://github.com/HirokiMiyaoka/Mikan/blob/master/DirectXInput/DirectXInput.cpp
TITLE : Mikan/DirectXInput.cpp at master HirokiMiyaoka/Mikan GitHub
input[ num ].ki.dwExtraInfo = GetMessageExtraInfo();.......
http://github.com/HirokiMiyaoka/Mikan/blob/master/DirectXInput/DirectXInput.cpp
TITLE : System Events and Mouse Messages (Windows)
LPARAM WINAPI GetMessageExtraInfo(void);.......
http://msdn.microsoft.com/en-us/library/windows/desktop/ms644937(v=vs.85).aspx
TITLE : Problem with GetMessageExtraInfo
I want to process WM_TOUCH messages and ignore mouse events generated for the primary touch. So I use GetMessageExtraInfo(). But sometimes GetMessageExtraInfo function returns 0. I don't use mouse as input device. I use only touch-screen. It seems like a problem with GetMessageExtraInfo........
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
In tap process, after OS send WM_TOUCH message, WM_MOUSEMOVE and WM_LBUTTONUP message are generated at random. GetMessageExtraInfo() returns zero in WM_MOUSEMOVE message while 500 msec after WM_TOUCH message and its coordinates as same as GetCursorPos()........
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
(2) If GetMessageExtraInfo() returns zero in WM_MOUSEMOVE, compare the coordinates with (1) while specific time (ex. 1 sec ) . If same coordinates and in specific time, it is generated by tap ( not mouse device )........
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
if ((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) {.......
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
(GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVNTF_FROMTOUCH.......
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
(GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH).......
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
I am using it in C# and GetMessageExtraInfo() randomly return 0 or correct answer (but in most case is 0)... Do you know how to fix this?.......
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
In tap process, after OS send WM_TOUCH message, WM_MOUSEMOVE and WM_LBUTTONUP message are generated at random. GetMessageExtraInfo() returns zero in WM_MOUSEMOVE message while 500 msec after WM_TOUCH message and its coordinates as same as GetCursorPos()........
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Problem with GetMessageExtraInfo
(2) If GetMessageExtraInfo() returns zero in WM_MOUSEMOVE, compare the coordinates with (1) while specific time (ex. 1 sec ) . If same coordinates and in specific time, it is generated by tap ( not mouse device )........
http://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/1b7217bb-1e60-4e00-83c9-193c7f88c249/problem-with-getmessageextrainfo@forum=tabletandtouch
TITLE : Detecting Touch input vs Mouse input
but then you can use GetMessageExtraInfo() on mouse up / mouse down messages. Mask the returned value with 0xFFFFFF80, then if the result is equal to 0xFF515780: the message comes from a touch event, equal to 0xFF515700: the message comes from a pen........
http://software.intel.com/en-us/forums/ultrabook-and-windows-8/topic/338711
TITLE : Detecting Touch input vs Mouse input
I used the GetMessageExtraInfo() as you described and described here: http://msdn.microsoft.com/en-us/library/windows/desktop/ms703320.......
http://software.intel.com/en-us/forums/ultrabook-and-windows-8/topic/338711
TITLE : Detecting Touch input vs Mouse input
Is GetMessageExtraInfo() a good practice or should I handle the events in other way?.......
http://software.intel.com/en-us/forums/ultrabook-and-windows-8/topic/338711
TITLE : Detecting Touch input vs Mouse input
GetMessageExtraInfo() is neither a good or bad practice but if your app needs to handle touch properly that's always better to rely on things that are designed for it, like WM_POINTER........
http://software.intel.com/en-us/forums/ultrabook-and-windows-8/topic/338711
TITLE : c++ - How to send keystrokes to a window? - Stack Overflow
keystroke[ i * 2 ].ki.dwExtraInfo = GetMessageExtraInfo();.......
http://stackoverflow.com/questions/2113950/how-to-send-keystrokes-to-a-window
TITLE : c++ - How to send keystrokes to a window? - Stack Overflow
keystroke[ i * 2 + 1 ].ki.dwExtraInfo = GetMessageExtraInfo();.......
http://stackoverflow.com/questions/2113950/how-to-send-keystrokes-to-a-window
TITLE : c++ - How to send keystrokes to a window? - Stack Overflow
Does, in the SendInput() exmaple, the KEYEVENTF_UNICODE care about the type of text, which may be a char too? I see no KEYEVENTF_SCANCODE but you put your character in wScan. Is GetMessageExtraInfo() necessary? ? ManuelSchneid3r Oct 17 '12 at 22:19.......
http://stackoverflow.com/questions/2113950/how-to-send-keystrokes-to-a-window
TITLE : c++ - How to send keystrokes to a window? - Stack Overflow
@DevNoob: No, this should work for both Unicode and non-Unicode builds. (I just tested it.) Yes, GetMessageExtraInfo() appears to be necassary because the documentation specifies that it's required. By the way, the answers to your questions can also be found by reading MSDN documentation for the corresponding function and types using the link in my answer. ? Sam Oct 18 '12 at 9:13.......
http://stackoverflow.com/questions/2113950/how-to-send-keystrokes-to-a-window
TITLE : c++ - Detect if WM_MOUSEMOVE is caused by touch/pen - Stack Overflow
The official solution according to MSDN is to check if the result of GetMessageExtraInfo() has the upper 24 bits set to 0xFF515700........
http://stackoverflow.com/questions/29857587/detect-if-wm-mousemove-is-caused-by-touch-pen
TITLE : c++ - Detect if WM_MOUSEMOVE is caused by touch/pen - Stack Overflow
This works. Most of the time. If I use one finger, all is well and good, but if I use more than one, releasing the last one causes a mouse move with GetMessageExtraInfo() == 0. Also, when the window loses focus via touch, up to 3 mouse move messages with GetMessageExtraInfo() == 0 are generated........
http://stackoverflow.com/questions/29857587/detect-if-wm-mousemove-is-caused-by-touch-pen
TITLE : c++ - Detect if WM_MOUSEMOVE is caused by touch/pen - Stack Overflow
LONG_PTR extraInfo = GetMessageExtraInfo();.......
http://stackoverflow.com/questions/29857587/detect-if-wm-mousemove-is-caused-by-touch-pen
TITLE : winapi - How would I use Keybd_event to send "A" for example? - Stack Overflow
key->ki.dwExtraInfo = GetMessageExtraInfo();.......
http://stackoverflow.com/questions/6811899/how-would-i-use-keybd-event-to-send-a-for-example
TITLE : winapi - How would I use Keybd_event to send "A" for example? - Stack Overflow
key->ki.dwExtraInfo = GetMessageExtraInfo();.......
http://stackoverflow.com/questions/6811899/how-would-i-use-keybd-event-to-send-a-for-example
TITLE : winapi - How would I use Keybd_event to send "A" for example? - Stack Overflow
key->ki.dwExtraInfo = GetMessageExtraInfo();.......
http://stackoverflow.com/questions/6811899/how-would-i-use-keybd-event-to-send-a-for-example
TITLE : WM_TOUCH is totally bananas. – The Witness
if ((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH).......
http://the-witness.net/news/2012/10/wm_touch-is-totally-bananas/comment-page-1/
TITLE : WM_TOUCH is totally bananas. – The Witness
if ((GetMessageExtraInfo() & 0x82) == 0x82) { /* ignore event */ }.......
http://the-witness.net/news/2012/10/wm_touch-is-totally-bananas/comment-page-1/
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https://www.google.com/#q=GetMessageExtraInfo