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all groups > dotnet windows forms > january 2004 > threads for friday january 9

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Date Time Picker
Posted by Brian P. Hammer at 1/9/2004 11:48:31 PM
All, I have a datetimepicker that is bound to a dataset in SQL with a = date/time value. The problem I am running into to is that if a user has = not completed a step, they will not need a date displayed in the = control. In this case, I get a null system exception error. How does = one go...more >>

Prevent Duplicate Processes From System.Diagnostics.Process.Start()
Posted by Axe at 1/9/2004 10:41:55 PM
I use the following code to open an instance of IE (or the default browser on a user's machine): System.Diagonostics.Process.Start("URLToDisplay"); The URLToDisplay is an HTML file located on the user's machine in a known directory. I put this code in a button click event which is displayed...more >>

How to enforce only 1 instance can be running at the same time?
Posted by babylon at 1/9/2004 12:23:10 PM
e.g. we can only start one instance of Outlook Express (vs multiple instance of IE) How should this be implmented in winform? thx ...more >>

Tree structure ?
Posted by JezB at 1/9/2004 11:20:17 AM
I have trawled through the System.Collections namespace looking for some structure that will enable me to represent and manipulate tree structures, as yet to no avail. Of course I can represent a tree as a Hashtable with one part of the Value of each entry pointing to the key of the parent, bu...more >>

MDI Trouble
Posted by Mauricio at 1/9/2004 10:43:04 AM
My project has a mdi form and a mdi child. In the child form there is a label object with forecolor=20 propety set black. When the child form is showed its label object is not=20 black, it=B4s gray like disabled. Why? Thanks. ...more >>

example of a commondialog
Posted by Dominique Vandensteen at 1/9/2004 10:37:32 AM
hi, I want to create a CommonDialog. How do I start with that? I can't find any examples :-( Does somebody have a simple example Dominique ...more >>

Popup menus
Posted by Chuck Stoner at 1/9/2004 9:42:20 AM
In VB6 there was method called PopupMenu that could be used to display menus when the mouse passed over the SysTray icon or the icon was clicked. PopupMenu is no longer supported and the documentation does not appear to offer an alternative. Any suggestions? Thanks...more >>

Position of MEssageBox
Posted by cccedi NO[at]SPAM yahoo.com at 1/9/2004 8:56:54 AM
Hi, Is there any way to position the MessaageBox? I want it to appear at the center of the calling form. Thanks in Advance Edison...more >>



How to send data to controls which is in MDI Parent
Posted by dsattipandu NO[at]SPAM hotmail.com at 1/9/2004 12:03:47 AM
How to send data to controls which is in MDIParent Hi, I am facing problem with, sending data frm mdi child to mdi parent. I have search Dropdown in MDI form, depend on selection, or enter string(its like IE URL functionality) and click search button, i am displaying Details form with...more >>


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