<div>
This might be a good starting place<br />
<a href="http://support.microsoft.com/default.aspx?scid=kb;en-us;226359" rel="ugc">http://support.microsoft.com/default.aspx?scid=kb;en-us;226359</a>
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This might be a good starting place
http://support.microsoft.com/default.aspx?scid=kb;en-us;226359 [http://support.microsoft.com/default.aspx?scid=kb;en-us;226359]

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<div class="content wysiwyg-content">
Hi,<br />
I have created a VB application to lock the computer (VB6) using the<br />
following APIS:<br />
clipcursor<br />
getwindowrect<br />
systemparamtersinfo (SPI_SCREENSAVERRUNNING)<br />
<br />
The mechanism is that when the user locks the windows, the getwindowrect API gets the rectangular region of the form and clips the cursor so that it cannot move on the desktop. The Systemparamtersinfo API then locks the keyboard until the user enters the required password in the vb6 application. This app works fine under windows 98. However, under windows 2000 the systemparametersinfo(SPI_S<wbr />CREENSAVER<wbr />RUNNING) doesnot work. As a result,<br />
the keyboard shortcuts such as CTL-ALT-DEL and CTL-TAB work even when<br />
my VB6 application has locked the cursor within the rectangular region<br />
of the form. Is there any alternative to the Systemparametersinfo API<br />
that can do the lock the keyboard (not to the application but to <br />
the rest of the windows)<br />
<br />
THnaks<br />
Rafay<br />

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</div>


Hi,
I have created a VB application to lock the computer (VB6) using the
following APIS:
clipcursor
getwindowrect
systemparamtersinfo (SPI_SCREENSAVERRUNNING)

The mechanism is that when the user locks the windows, the getwindowrect API gets the rectangular region of the form and clips the cursor so that it cannot move on the desktop. The Systemparamtersinfo API then locks the keyboard until the user enters the required password in the vb6 application. This app works fine under windows 98. However, under windows 2000 the systemparametersinfo(SPI_SCREENSAVERRUNNING) doesnot work. As a result,
the keyboard shortcuts such as CTL-ALT-DEL and CTL-TAB work even when
my VB6 application has locked the cursor within the rectangular region
of the form. Is there any alternative to the Systemparametersinfo API
that can do the lock the keyboard (not to the application but to 
the rest of the windows)

THnaks
Rafay


API call for Windows2000 to lock the keyboard

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