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It's as useful as this is a legitimate MSC level project. 
Today's lesson is brought to you by the word "niggardly". Remember kids, don't attribute to racism what can be explained by Scandinavian language roots.
-- Robert Royall
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hello, for example, i have three Textbox and a button int the Form(textBox1,textBox2,textBox3, button2).
private void button2_Click(object sender, EventArgs e)
{
int temp;
temp = int.Parse(textBox2.Text) + int.Parse(textBox1.Text);
textBox3.Text = temp.ToString();
}
A question is : i have two roles (system administrator and commmon user) in this software. if i have written this button2_Click(), can i let system administrator change button2_Click() when software is running.
eg,temp = int.Parse(textBox2.Text) * int.Parse(textBox1.Text);
instead of temp = int.Parse(textBox2.Text) + int.Parse(textBox1.Text);
thank you
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Sure you can. The simplest way is to use a boolean (see below) but there are more complex and elaborate methods if there is a lot of role dependent behavior in your system.
bool isAdmin = false;
private void button2_Click(object sender, EventArgs e)
{
int temp;
if (isAdmin)
{
temp = int.Parse(textBox2.Text) * int.Parse(textBox1.Text);
}
else
{
temp = int.Parse(textBox2.Text) + int.Parse(textBox1.Text);
}
textBox3.Text = temp.ToString();
}
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Somebody please help....
I have a treeview control in my application which loads images for nodes from an imagelist. Problem is that when I set the Form's localizable property to true, all the nodes imageindex was set to default. What i understand was, the Form's designer.cs will change the original code to a generalised one,like this..
resources.ApplyResources(this.treeView1, "treeView1");<br />
this.treeView1.ImageList = this.imageList1;<br />
this.treeView1.Name = "treeView1";<br />
this.treeView1.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {<br />
((System.Windows.Forms.TreeNode)(resources.GetObject("treeView1.Nodes")))});
The code which adds images to treeview was lost automatically... 
Thanks in advance...
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I think its a bug like this[^] however you can add images on form's load or in constructor.
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Thanks for ur reply.. It works well..But I have lot of nodes in my treeview, so i prefer adding image index for nodes during design time.
I tried declaring treeview like this..
[System.ComponentModel.Localizable(false)]
private System.Windows.Forms.TreeView treeView1;
But no use and even i dont know what this means..Do you have any idea about this??
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It suppose to disable the Localizable for treeview1
TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87֦ʻ6ϣN8ȤBcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
Rs0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>
--------------------------------------------------------
128 bit encrypted signature, crack if you can
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I want insert controls to form at run time and with double click on the one control, open newform and set control properties at the newform, then return setting to control? please help me thanks
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something else sir ?
link[^]
TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87֦ʻ6ϣN8ȤBcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
Rs0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>
--------------------------------------------------------
128 bit encrypted signature, crack if you can
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Maybe you should specify the topic next time, not only C#...
I Love KongFu~
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Hi there!
I have something like this:
abstract class BaseClass<t>
{
protected BaseClass(){}
}
class Class1 : BaseClass<class1>
{
public static Class1 Instance = new Class1();
private Class1(){}
}
class Class2 : BaseClass<class2>
{
public static Class2 Instance = new Class2();
private Class2(){}
}
...
public BaseClass<t> Method<t>(int z) where T: BaseClass<t>
{
switch(z)
{
case 1:
return Class1.Instance;
case 2:
return Class2.Instance;
}
}
That is very important that those classes cannot be instantiated since their construstors are private so we cannot do like
public BaseClass<t> Method<t>(int z) where T: BaseClass<t>, **new()**
The problem arises that I cannot in switch clause return those Class1.Instance because it says "cannot convert Class1 to return type BaseClass" How can I use abstract class as return type ?? I just can not work this out. Would appreciate for any assisstance here.
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How to use Image property of button
I am using .Net Framework ver 2.0 & visual studio 2005
thanks
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link[^]
TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87֦ʻ6ϣN8ȤBcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
Rs0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-iTV.C\y<pjxsg-b$f4ia>
--------------------------------------------------------
128 bit encrypted signature, crack if you can
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Select your button, then select the image property in property window. There should be an little button with 3 dots, click on that. The "Select Resource" window will open. Select Local Resource, click on import, select your image(s), click on open, then click OK.
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Hi. I have a datagrid and i want to get the selected text in the first cell when i click on the border of the datagrid. I have gone through some articles but can't find what i need.
Please assist.
Wamuti: Any man can be an island, but islands to need water around them!
Edmund Burke: No one could make a greater mistake than he who did nothing because he could do only a little.
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Hi, I have a big problem, I im writing an application, that will draw spectogram , and a bars with db levels at couple frequencies (31hz,62hz,125hz.... like in Winamp) in real-time, as a school project, I read couple aricles here, and on many other pages, but didn't found solution. My problem is that i don't know how to use byte data from DirectSound (CaptureBuffer), to compute fft, and then how to use the computed data, to draw spectogram and bars. I tried to compute fft values using this code http://www.codeproject.com/KB/audio-video/waveInFFT.aspx. I have made some changes to it, becouse my input data is byte array, and then I didn't know how to extract db level, for example at 31hz from fft output table. Sorry for my bad english. And I am looking forward for a response 
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Hi,
I am using a richtextbox control, where text is appended regularly.
Iam facing the following issues:
1. when user is selected the cursor position somewhere except the bottom position, new text entered will cause the auto scrolling of the vertical scroll bar to the last position.
This should be avoided, user selected position should be retained whenever text is appended.
2. Say user has selected some text, appending of new text causes the user to loose control of the last position. how to make the user not to loose control when text is appended?
thanks in advance,
Geeta
modified on Monday, March 9, 2009 7:29 AM
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GeetaGadmi wrote: 1. when user is selected the cursor position somewhere except the bottom position, new text entered will cause the auto scrolling of the vertical scroll bar to the last position.
This should be avoided, user selected position should be retained whenever text is appended.
I don't know if you can 'enter' text without moving the cursor. You can however, get the position of the cursor before you add text, and move the cursor back to that position when you are done with adding the text.
GeetaGadmi wrote: 2. Say user has selected some text, appending of new text causes the user to loose control of the last position. how to make the user not to loose control when text is appended?
Put the TextBox.SelectionStart in a variable before adding text, do the same for TextBox.SelectionLength and restore those values when finished with adding text. You might want to suspend the layout while doing this
I are troll
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Hello,
How we can change the version of PDF? thank you verry mutch.
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abbd wrote: How we can change the version of PDF?
Go to the Adobe site and download a newer version?
I think you have to be a bit more explicit in your request if you would like a reasonable answer.
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You're going to have to explain what you mean by "change the version of PDF"...
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When i generate a pdf with i can't set it on version 1.7, so it is on 1.4, i will cherche how i can change the version of my pdf file to 1.7, thank you verry mutch.
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That made no sense what-so-ever...
I think you're going to have to consult the documentation on the PDF library you're using. I can't make heads or tails of your description.
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I think he means the version number that shows up when you right click, select Properties and then the PDF tab.
DaveBTW, in software, hope and pray is not a viable strategy. (Luc Pattyn)Visual Basic is not used by normal people so we're not covering it here. (Uncyclopedia)
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