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Hi,
as an approximation you could come up with an "äverage string" of say 100 characters,
then feed it to e.Graphics.MeasureString and get the returned Width.
if you need an (almost) exact value, you should use MeasureString for each actual string that interests you.
The "(almost)" refers to a CP article on some minor anomalies, the result being of by a few pixels.
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Hi,
I'm making an AutoUpdater for my application. For this I have added a new project to my solution so that I get 2 executables (the main one may need to be updated).
So far I am using the XmlReader class to get information from the internet as to the latest version of the application with a list of files to download.
However, these two things are what I would like help with:
If there is a new version available then I would like to launch the Updater application and pass it the downloaded xml file (or an array of key information, whichever is easiest).
Once the updater exe has started and has it's data then I would like it to close the main exe.
Any help would be appreciated,
- Stephen
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neoflame wrote: If there is a new version available then I would like to launch the Updater application and pass it the downloaded xml file (or an array of key information, whichever is easiest).
Proces.Start, giving the filename & path as a parameter.
neoflame wrote: Once the updater exe has started and has it's data then I would like it to close the main exe.
Loop through the currently running processes and close yours
I are troll
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Hi All,
I want to create a list view, which is able to move up or down the selected item using a button (as we can see in VS list view column adding property box). Can someone tel me how can I do that. A simple example is much better.
Thanks lot
I appreciate your help all the time...
CodingLover
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ListView.SelectedItems tells you what's currently selected.
ListView.Items.RemoveAt(...) and ListView.Items.Insert(...) allows you to to remove an item from one place in the list and move it to another position.
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Yes I did something like this,
Get the selected index from the list.
Remove it from the list.
Insert in into the next index for move down, and insert into the previous index for move up
But now I've one more thing to do. Full row selected set to true, and I select one ant click up/down move. At that point selection is vanished, and user cannot see what the selection row is. Any idea about that.
I appreciate your help all the time...
CodingLover
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Why did the selection vanish?
It might have vanished because the control lost focus, set ListView.HideSelection to false to handle this.
It might have vanished because the selected item was removed from the list, reselect the item after adding it back to the list to handle this (ListViewItem.Selected = true).
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Actually it doesn't work lol. I think as you said once the item is removed, the focus is lost. But I've no idea how to keep that focus on the same item. Anyone of you have any idea about that?
I appreciate your help all the time...
CodingLover
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listView.Focus() will give focus back to the list view, but still you'll need to reselect the item after you've added it back to the list
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Just encountered some exceptions with my original attempt to solve this when I stumbled across this thread.
Here's my current solution (seems pretty robust so far):
==== Pop this in a file ListViewSelectionMover.cs to keep things neat ====
using System.Windows.Forms;
namespace MonkeyWorkshop
{
/// <summary>
/// A static class with methods for moving selected items in a ListView up or down.
///
/// Works for single and multiple selections. Calls do not require any items to
/// be selected. Repaints of the ListView are kept to a minimum.
///
/// Algorithms find a non-selected item (movable) before any selected item
/// before considering a movement (swap). This avoids "leapfrogging" that could
/// occur by running through the selected idicies when they start to bunch
/// at the top or bottom of the list.
///
/// Client code should consider making their ListView.HideSelection = false
/// or loss of focus (e.g. pressing a "Move Up" button) will conceal which
/// items are selected - although the selection will remain.
/// </summary>
public static class ListViewSelectionMover
{
public static void MoveSelectedUp(ListView listView)
{
int i = 0;
bool anyThingMoved = false;
bool movable = false;
int listLength = listView.Items.Count;
while (i < listLength)
{
movable = !(listView.SelectedIndices.Contains(i));
if (movable && (i + 1 < listLength))
{
if (listView.SelectedIndices.Contains(i + 1))
{
if (anyThingMoved == false)
{
anyThingMoved = true;
listView.BeginUpdate();
}
ListViewItem swap = listView.Items[i];
listView.Items.RemoveAt(i);
listView.Items.Insert(i + 1, swap);
}
}
i++;
}
if (anyThingMoved)
{
listView.EndUpdate();
}
return;
}
public static void MoveSelectedDown(ListView listView)
{
int i = listView.Items.Count - 1;
bool anyThingMoved = false;
bool movable = false;
while (i >= 0)
{
movable = !(listView.SelectedIndices.Contains(i));
if (movable && (i - 1 >= 0))
{
if (listView.SelectedIndices.Contains(i - 1))
{
if (anyThingMoved == false)
{
anyThingMoved = true;
listView.BeginUpdate();
}
ListViewItem swap = listView.Items[i];
listView.Items.RemoveAt(i);
listView.Items.Insert(i - 1, swap);
}
}
i--;
}
if (anyThingMoved)
{
listView.EndUpdate();
}
return;
}
} /// Class
}
======
Calling code would therefore need to use:
using MonkeyWorkshop; // Or change the namespace in the above code
Call with:
ListViewSelectionMover.MoveSelectedUp(yourListLiew);
Or clearly...
ListViewSelectionMover.MoveSelectedDown(yourListLiew);
Rich
PS. Thanks for the input
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Hi
I am trying to hide some rows in a DataGridView , in some rows an unhandled exception is fired with the following message .
(( Row associated with the currency manager's position cannot be made invisible.))
handling this exception will cause the row to remain visible .
Any Ideas ?
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You could bind the datagridview to a DataView. Use the filter property on the DataView to hide / show the rows you want based on your conditions.
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Hi
I want to know if it is possible to import from the first sheet of an excel file regardless of the name of the sheet?
I currently import from excel but hard code the sheet name and the file i am importing from now, the sheet name changes every month.
Thank you for your assistance
Nothing lasts but nothing is lost
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Are you using OleDb?
If so then use something like this:
DataTable schemaTable = _oleDbConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
string firstSheet = schemaTable.Rows[0]["TABLE_NAME"].ToString();
My failometer is detecting vast quantities of FAIL!
"Its SQL - hardly programming..." (Caslen)
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thanx that did the trick 
Nothing lasts but nothing is lost
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I see you have a solution so you might want to ignore this
Did you know that in Excel each sheet has a 'Code Name' as well as a 'Sheet Name'?
The code name can only be set in the Excel designer (i.e. the VBA window) and stays the same regardless of how the user changes the sheet name.
I used this in VBA code to make sure the code (or macro in Excelese) still worked when users messed about with sheet names.
Not sure how to access it using OleDB but it should be possible.
Regards
David R
---------------------------------------------------------------
"Every program eventually becomes rococo, and then rubble." - Alan Perlis
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Hi
Thanx
Is that the GUID property i saw in the datatable?
Nothing lasts but nothing is lost
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No - it's a property that can be set in the VBA window in Excel. It's just a name which defaults to 'Sheet1' etc (IIRC). You can only change it in the VBA window - no way to do it in code or from the spreadsheet. I found it extremely useful when doing VBA macros in Excel (but that was 5 years ago!)
Regards
David R
---------------------------------------------------------------
"Every program eventually becomes rococo, and then rubble." - Alan Perlis
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Hi all,
I have a problem with custom classes in web services. The scenario is as follows:
I have created custom classes for use with my environment. We will take as an example, class student and class teacher which are in the package MyPackage.Data. These are being serialised at location A, passed to the web service and then sent to location B. While at the web service, the object is deserialised in order to extract info about the object to keep a log of what is going through. When the object is deserialised in the web service and then reserialised to send to location B (this also happens when creating a new object at the web service and sending it out to a location), the type of the object turns into MyWebservice.Student instead of MyPackage.Data.Student.
I get exceptions like: "Cannot cast object of type MyWebservice.Student to MyPackage.Data.Student".
I am guessing this is being taken from the reference file which is autogenerated on instantiation of a web service. An example of this auto generated code is shown below for the Student class
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.Xml", "2.0.50727.3053")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(Namespace="MyPackage.Date")]
public partial class Student{
private string Name;
public string Name{
get {
return this.name;
}
set {
this.name= value;
}
}
}
Now for this I used a work around, writing an alternate constructor for each class which takes an object of type MyWebservice.Student for example and creates a new instance of of MyPackage.Data.Student and sets all attributes to the attributes of the MyWebservice.Student object. An example is shown below:
public Starter(MyWebservice.Student webStudent)
{
this.name = webStudent.Name;
}
This works but is neither pleasant nor viable as a final solution. Can anybody please shed any light on how not to use the generated code of the web service or remove it completely or why this is happening.
Thanks a lot for your time and cooperation, any help is highly appreciated
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Hello,
I have WSE 3.0 installed on my machine. I am having issues adding a Web Reference as a WSE 3.0 enabled web service. Does anyone have any good tutorials to accomplish this? All of my google results are for creating your own from scratch. I simply want to point to a wsdl file and have it create the resulting object under WSE 3.0 Thanks!!
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i have a calendar that i click on one day, then when i have that day marked i write something in a textbox, after that i klick on my button and it should be saved, now my issue is:
i DO NOT want to create a new xmlfile dynamicly, i already have one xmlfile that i've added to the project, and i want it to store the day on the calendar that i clicked on, and the text that i wrote in my textbox, it should resoult like this:
<Plan 1><br />
< tuesday 5th may 2009 > today im going to write in codeproject forum < tuesday 5th may 2009><br />
<plan 1><br />
<br />
<plan 2 ><br />
< some day that i chose > blabla < some day that i chose><br />
<plan 2><br />
i hope you get the point?
so for each day i add a text on, i want it to generate a number ( i have already solve that problem )
int ID = 0;
while (readcalendar.Read())
{
if (readcalendar.Name.StartsWith("Plan"))
{
ID++;
}
}
and i also want to be able to Load the xmlfile each time i start my project, so that my "planings" is saved on the days i planed them. (ex. if i click on a day that i already have a plan on i want to be able to edit the text that already exist )
i have checked google for answers but i did not find anything  and im a bit new to xml, so even if i've maybe stumbled on a correct answer i may have not looked into it.
if you dont understand my question, feel free to ask 
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Your XML does not look valid..
Also, what exactly is the question?
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my question is: i have a calendar wich i want to store "text" on each day in,
example: i click on 5th may and write "i have to book a flight today " in a textbox, then i press a save-button (to store that information in a xmlfile), and if i open that xmlfile i want it to look like this:
-Plan1
--5th may 2009
i have to book a flight today
--/5th may 2009
-/plan1
(i already have a function that makes the plan1 increase in number so the next one look like this <plan2> then <plan3> and so on, so you dont have to write down that function)
and i also want the xml file that i just saved, to load each time i start my program, so that when i click on 5th may, i want the textbox to say "i have to book a flight today".
summary:
remember this is a almanac so i want the c# code to store information on the day i clicked on with the text i wrote in my textbox
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You still don't really have a question though..
It's clear that there's something you want, well, ok, you're making it of course, and you're posting here so you're experiencing difficulties, but it's not yet clear what they are
Presumably you want to output:
<Plan1 date="5th may 2009">i have to book a flight today</Plan1>
(tags should start with a letter and can not contain spaces)
Ok, easy. You could even use an XmlWriter to make it easier (well, easier?)
Automatically loading the file: no problems here, if you want to be able to change the filename you could make it an application-setting.
Clicking the 5th of may: I guess you'd use a date picker control for that?
Making the textbox show something: just change the textbox.Text?
So I just tried to help with everything, since you didn't really specify your problem.
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Miroslav88 wrote: i already have one xmlfile that i've added to the project, and i want it to store the day
Miroslav88 wrote: i also want to be able to Load the xmlfile each time i start my project
Miroslav88 wrote: im a bit new to xml
Go to www.w3schools.com and go through all the XML tutorials. Pay attention when you get to the ones about using an XML DOM.
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