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I found this[^] interesting - might be useful background reading..?
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Hi All,
I am using two Datetimepicker controls. one is Licence strat date and another one is Licence End date..But Licence start date is Current date default today date and Licence End date will add 1 day plus 2 years.
for example Thus for Licence Start date 01/02/2008 the date will be End Date 31/01/2010...So how to do in C# Windows Application...So please reply.....
Regards
Somasundaram
I want to join in the website
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What do you want to do, set a default value ? Why are you setting the end date if it's a fixed interval ? Set the Value of the picker to set it's value.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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No...
when i select the Start date and Automatically End date will add 2 years plus 1 day...So how to do??????
For example i give a start Date default date(whatever Date)is 12/05/2008 and End date will add 13/05/2010...automatically End Date will add 2years plus 1 day... 
Regards
Somasundaram gunasekaran
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just try this....
DataTime Dt;
try to use these methods.......
Dt.AddYear()<br />
Dt.AddDay()
Best Regards
-----------------
Abhijit Jana
"Success is Journey it's not a destination"
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Please i need some examples of Datetimepicker control Source code...
pls reply...
Regards
Somasundaram
I want to join in the website
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I followed a tutorial, created a basic DLL and created a sum function which returns the sum of two integers. The code compiles fine and DLL is created. However when i use it in c# and load it as reference, it give me error. It says 'reference can not be added. Make sure the file is accessible and a valid com object'. What could be the problem?
Thanks
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The problem is that you can only reference COM and .NET DLLs in .NET. You can, however, use p/invoke to link to and call methods in a plain vanilla dll, like the one you created.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I greatly appreciate it. Thanks
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I recommend buying a beginners book on C# and winforms to help you through hurdles at this level.
You just have textboxes for the user name and password, use code to check if they are correct, and then either ask again or continue, depending on if they enter the right value or not.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I really wonder why I bother helping people when they respond by giving me a 1 and deleting their post. The question was basically asking how to check if two strings were equal and do an if statement. You tell me if I deserve a one for saying this person needs a book.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Christian Graus wrote: You tell me if I deserve a one for saying this person needs a book.
Nah. Definitely worthy of a 2 or 2.5 
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.freetls.fastly.net/script/Forums/Images/coffee.gif)
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LOL - thing is, I answered her only other question ever and told her then she needed a book. I mean it when I say it, it wasn't meant to be an insult.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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CG, I appreciate the good work you're doing here. There will, sadly, always be numbskulls who hit out at people trying to help them.
If it makes you feel any better, I went through the same phase for months a year or two back - EVERY answer I gave was voted a single 1.
Cheers,
Vikram.
The hands that help are holier than the lips that pray.
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Yeah, I get it all the time, I posted in the lounge about a good book I am reading, and got a 1. I don't really care too much, but I am frustrated mostly that I try to help people and they refuse to be helped.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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Hello,
i am using LINQ to query my data, but i have a problem inserting records, i cannot see how to insert records, when a look on the property of the table in the DBML file the Insert property is dimmed and it says use runtime.
In all the articles i see that there is a method <datacontext>..Add() however i don't have it, why?
Please help
Thanks
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How Can I Make a ToolTip to show the current value of a TrackBar Control when the slider is moved? for example The volume control in windows media player?
(Jameel)
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Handle the track bar value changed event and within the handler change the text of the tooltip. Here is the basic idea but not the syntax:
public void TrackBarValueChanged(Object o, Eventarguments e)
{
// here change the tooltip text
}
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Thanx alot, i know it already friend, what should i write inside this mathod? i expect something like this
private void Binary_ThresholdBar_Scroll(object sender, EventArgs e)
{
TrackBar.Tooltip= Trackbar.value.toString();
//or any thing like that sensible?
}
(Jameel)
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aToolTip.Show(Trackbar.value.toString(), Me.Parent, New Point(x position, y position))
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Hi,
I'm new to event handling in C#. I'm writing a windows service and i want a configuration form opens when user press a shortcut(like Ctrl + Alt + F12). I tried event handling and delegates but when the form had no focus it didn't work.
I want to know how i should listen for keyboard events when i have just a windows service or a form without focus. any help is really appreciated.
Thanks in advance
Sadeghi
MSK
From Persia, the land of Love and Freedom
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Hopefully someone here can help.
I've got a picturebox control with scrollbars. I've also set it up so that I can click on the picture box that has an image and draw a box border by dragging the mouse to whatever dimensions I want the box to be. It's basically a utility program for setting up hotspots on an image that will be saved into an array. This part works perfectly.
The problem is that if I scroll the image up or down so that the offset might be then try to draw my box, the image starts to do some flickering with it bouncing back and forth with how the image should be displayed (let's say an offset of X = 100, Y = 100 - which is what it is supposed to be since I have moved the image over with the scrollbars) and bouncing back to the default position (X = 0, Y= 0)
I've got this bit of code in my hScrollbar1_Scroll, vScrollbar1_Scroll, PictureBox_Paint, and Form1_Paint events:
Graphics g = pictureBox1.CreateGraphics();
g.DrawImage(pictureBox1.Image,
new Rectangle(0, 0, pictureBox1.Right - vScrollBar1.Width,
pictureBox1.Bottom - hScrollBar1.Height),
new Rectangle(hScrollBar1.Value, hScrollBar1.Value,
pictureBox1.Right - vScrollBar1.Width,
pictureBox1.Bottom - hScrollBar1.Height),
GraphicsUnit.Pixel);
Somewhere there is an event that is showing this image in the default position of 0,0 and it's not taking the values from the Scrollbars into consideration.
I am using picturebox1.Invalidate(); whenever I am drawing on that surface which I am *assuming* triggers the paint event(s).
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May I see a snapshot? I have somewhat a hard time picturing it. Also, are you saying the above code is in hScrollbar1_Scroll, vScrollbar1_Scroll, PictureBox_Paint, and Form1_Paint events. All of the events have the same code?
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