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As part of my work I use an IBM Thinkpad laptop a lot (T40 model) and one thing that has bugged me a lot is that the mouse wheel button on the laptop keyboard (center button) doesn't work with the DataGridView. Below is the story of my investigation and how I got this to work, including the code necessary for you to get this to work. After a little investigation I found that the UltraNav mouse wheel didn't work with many of the Windows Forms controls which use scroll bar controls vs.
Using the scroll bar window style. This means that controls which use the AutoScroll feature work with the UltraNav mouse wheel, but controls that have a horizontal and/or vertical scroll bar as a child control do not work.
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Well, I for one wanted to find out how I could get it to work for the DataGridView, so I dug deeper in my investigation and into Win32. The first thing I did was to take a Form with AutoScroll set to true (showing scrollbars) and set a breakpoint on the WMVSCROLL/WMHSCROLL windows messages in the WndProc. Sure enough, using the UltraNav mouse wheel the scroll messages are sent.
This is different than a normal mouse wheel whereby a WMMOUSEWHEEL message is sent. So I knew that the UltraNav mouse wheel system was doing things a bit different.
Looking up WMVSCROLL WMHSCROLL messages in MSDN says that these messages are sent by the scrollbars to its parent. When I use the UltraNav mouse wheel on a control that doesn't use AutoScroll the scroll messages are not sent.
So I had a hunch that the UltraNav attempts to detect if the window has scroll bars or not to know if it sends the scroll messages. With this, I investigated the difference between a scrollbar in Outlook vs. A Windows Forms scroll bar. Using Spy on the Outlook inbox view (where the UltraNav mouse wheel does work) shows me that Outlook uses a separate scrollbar control (vs. Window style). Spy told me that there wasn't anything special about that scroll bar either. I compared the window styles and window class details between Outlook and a Windows Forms scrollbar (below screen shots - Outlook on left, Windows Forms on the right.
Click on the images for a larger view). The first thing I noticed was that the Outlook scrollbar had the SBSVERT window style where the Windows Forms scroll bar has 00000001 - what's going on here? I looked at the scrollbar code and saw that we do set the SBSVERT window style, but Spy doesn't show it. I cracked the Windows.h file included in the platform SDK and noticed that SBSVERT equals 00000001. Why does Spy show it as SBSVERT for the Outlook scrollbar but as 00000001 for the Windows Forms scrollbar? I chewed on this a bit and came to a conclusion - Spy only knows that 00000001 is SBSVERT based upon the window class of Scrollbar and the Windows Forms scrollbar class name is a munged class name to make the class name unique.
I found out that Windows Forms does this because we need to modify details of that window class and we can't just modify the scrollbar window class or else all scrollbars in the system would be modified (thanks Brian for this info!). So I decided that if Spy doesn't think a Windows Forms scrollbar is a scrollbar (enough to show SBSVERT) then maybe UltraNav doesn't detect this as well. Based upon my thinking that UltraNav sends the scroll messages when it detects a scroll bar I thought that this is where the breakdown is occurring. So my thinking was that if I create a native scroll bar window as a child of the DataGridView UltraNav would send the WMVSCROLL/WMHSCROLL windows messages. Off to Win32 land a bit more. Using the NativeWindow class, I constructed a native scroll bar window making use of some p/invoke calls (Click for the native scroll bar code) Ok- so I tested this out by creating a custom DataGridView class and wrote code that creates the native scroll bar window as a child of the DataGridView, and sure enough UltraNav started to send the WMVSCROLL/WMHSCROLL windows messages (even though I only create a native vertical scroll bar).
Now, remember that the scroll bar messages are sent to the parent of the scroll bar, this means that the WMVSCROLL/WMHSCROLL windows messages are sent to the DataGridView's WndProc. Now things were almost working - all I had to do was cause the DataGridView to scroll in response to the scroll messages. Now, I could take the scroll bar messages and crack the message and perform the correct action, just as if the user used the normal DataGridView scroll bars, but I realized that would require a lot more code than what I wanted to do, so I thought - what if I send the scroll messages to the DataGridView scroll bars? My first try with this was to p/invoke SendMessage and just send the scroll messages to the correct (horizontal/vertical) scrollbar. This didn't work. I found out that when a scroll messages is generated by a normal scroll bar, they are generated first in the scrollbar's WndProc then they are 'reflected' back to the parent.
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In the scrollbar WndProc the message isn't WMVSCROLL/WMHSCROLL, but WMVSCROLL + WMREFLECT and WMHSCROLL + WMREFLECT and they then end up in the scrollbar's parent WndProc as WMVSCROLL/WMHSCROLL. Well, so I thought - why don't I just reflect the messages back to the scrollbar.
And this worked! In fact, Windows Forms has a great static function on Control called ReflectMessage. So it's done - using a custom native scroll bar class and a custom DataGridView, my Thinkpad UltraNav mouse scroll button works! I think I'll use this in other custom controls that I write! You can download the complete code listing. Anyway, hopefully this will be useful to someone else as much as it is to me!
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Maybe in the future we can be IBM to update UltraNav to work better with Windows Forms so a hack like this isn't necessary.
So far this problem has been reproduced on T60P and T41P, but only by scrolling large wegpages in Firefox. Hi Blueraydude, thanks for posting. This external keyboard with trackball is from a programming notebook PC.
Unanswered topics Active topics. Lenovo Thinkpad T – No sound from speakers. I normally don’t have a problem, but if the system is stressed to the point where pressing the arrow key won’t scroll then neither will anything else. Uploader: Date Added: 20 June 2012 File Size: 11.41 Mb Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X Downloads: 94098 Price: Free.Free Regsitration Required Access Denied The classic integrated pointing device in ThinkPads was always a ulgranav. Two ways to do this.
IBM was able lenovo t400 ultranav reproduce this by installing Firefox on a fresh recovery image in their labs. The TouchPad ribbon connector. However, I got ultrranav same lenovo t ultranav described throughout previous comments. I did infact remove the old drivers before installing these, and I still got the error. Who would like a 15 inch ThinkPad that has a centered keyboard and trackpad no number pad. Lenovo t400 ultranav If you find a post helpful and it answers your question, please mark it lenovo t400 ultranav an “Accepted Solution”!
Lenovo t ultranav of all I just recently acquired a W off ebay. Views Read View source View history.
LENOVO T ULTRANAV DRIVERS FOR MAC DOWNLOAD If you move the mouse directly over this pixel, a little icon appears like if the lenovo t400 ultranav trackpoint button is used to scroll. Gamloi7 Retired Support Specialist. But they refuse to fix this or pass it to Synaptics or their driver developers, because Firefox “is not supported”. I have this question too. Message 1 of 7. That lenovo t400 ultranav actually the same exact drive I have been using.
Ibm Ultranav Driver For Mac Mac
Any help would be appreciated. After Firefox was ultranqv, the pixel is still there. External mice work perfectly, I’m lenovo t400 ultranav sure this is just a driver lenovo t400 ultranav. TrackPoint and Trackpad lenovo t ultranav unresponsive. Author Post time Subject Direction: Register Sign In Help.
Do you know if these scrolling mishaps occur when an lenoovo mouse is used? Retrieved from ” https: Message 8 of My concern is that Lenovo System Update is going to automatically update this in a few days and if they’ve not updated their repository with a fixed driver, this will get back onto the laptops. Message 10 of The Synaptics drivers didn’t install, giving me an error, I can’t quite remember what it said. Lenovo Thinkpad T – No sound from speakers. Who would like a 15 inch ThinkPad that has a lenovo t400 ultranav keyboard and trackpad no number pad.
LENOVO T400 ULTRANAV BAIXAR DRIVER lenovo t400 ultranav I originally had a hard time believing that it was a physical issue lenovo t400 ultranav the TrackPoint is on the keyboard and is a separate ribbon cable than the TrackPad. The connector on the motherboard seems lenovo t ultranav be fine, ulranav since the two brand new keyboards I bought exhibit exactly the same lenovo t400 ultranav, I,enovo there must be some system board related problem. See our Sustainability Report.
To enable Trackpoint scrolling and use the alps touchpad apply following patch: If you move the mouse directly over this pixel, a little icon appears like if the middle trackpoint button is used to scroll. Synaptics is the company that makes UltraNav, so you shouldn’t see any loss of functionality, and it may work better for you.
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