Re: Array conversions - C# Discussion Boards

Daniel Turini6-Jun-02 0:35

6-Jun-02 0:35

I don't know about you, but I never made a program that worked in the 1st try. No matter how simple, sometimes it doesn't compile. If it compiles, it doesn't run.

Crivo
Automated Credit Assessment

Re: File Read in C#

Rickard Andersson²⁰6-Jun-02 1:09

Rickard Andersson²⁰

6-Jun-02 1:09

You're right!
But I've done that stuff so that's why I --> Blush | :O

Bye!

Rickard Andersson@Suza Computing
C# and C++ programmer from SWEDEN!
UIN: 50302279
E-Mail: nikado@pc.nu
Speciality: I love C# and C++!

undeclared identifier

big papa4-Jun-02 9:26

big papa

4-Jun-02 9:26

im trying to draw a line in autocad. i copied the code directly from the liteture. but i recived this error "undeclared identifier" here is my code

//
// ObjectARX defined commands

#include "StdAfx.h"
#include "StdArx.h"

// This is command 'CREATLINE'
void RBH1creatLine()
{
AcGePoint3d startPt (4.0, 2.0 ,0.0);
AcGePoint3d endPt (10.0, 7.0, 0.0);
AcDbLine *pLine = new AcDbLine (startPt, endPt);
AcDbBlockTable * pBlockTable;
acdbHostApplicationServices()->workingDatabase()->getSymbolTable( pBlockTable, AcDb::kForRead);
AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockTableRecord, AcDb::kForWrite);
pBlockTable->close();
AcDbObjectId lineId;
pBlockTableRecord->appendAcDbEntity(lineId, pLine);
pBlockTableRecord->close();
pLine->close();
return lineId;
}

could you please give me a hand Smile | :)

Richard

Re: undeclared identifier

Anders Molin4-Jun-02 9:36

Anders Molin

4-Jun-02 9:36

You might try in the C++ forum, instead of the C# forum Wink | ;-)

What identifier is undeclared?

- Anders

Money talks, but all mine ever says is "Goodbye!"

Array conversions

Fayez Al-Naddaf4-Jun-02 8:31

Fayez Al-Naddaf

4-Jun-02 8:31

Hi all
I have the following line of code
System.Array myValues = (System.Array)range.Cells.Value;
how can I convert the myValues array to string array?????

Thanks in Advance

Re: Array conversions

Nick Parker4-Jun-02 9:44

Nick Parker

4-Jun-02 9:44

Have you tried this:

System.Array myValues = (System.Array)range.Cells.Value;
myValues = (string [])myValues;

Nick Parker

Re: Array conversions

Fayez Al-Naddaf4-Jun-02 9:56

Fayez Al-Naddaf

4-Jun-02 9:56

yes Idid but it didn't work
What I did is I wrote a function that takes a System.Array variable as a parameter and returns a String[] array by converting the elements one by one.
it works but I would like to if there is a function to do that in one line of code.

Re: Array conversions

Nick Parker4-Jun-02 9:57

Nick Parker

4-Jun-02 9:57

JTJ should be lurking about, I'm sure he will have the answer. Good luck. Smile | :)

Nick Parker

Re: Array conversions

James T. Johnson4-Jun-02 15:36

James T. Johnson

4-Jun-02 15:36

string [] stringValues;
System.Array myValues = (System.Array)range.Cells.Value;
 
stringValues = new string[myValues.Length];
 
Array.Copy(myValues, stringValues, myValues.Length);

That should work, let me know if it doesn't.

James

Re: Array conversions

Fayez Al-Naddaf6-Jun-02 9:50

Fayez Al-Naddaf

6-Jun-02 9:50

I didn't work. I got the following message
"The specified arrays must have the same number of dimensions."
cause the myValues is a 2 dimensional array.
when I replcaed the StringValues with 2 dimensional array
I got the following:
" At least one element in the source array could not be cast down to the destination array type."
this type is double data type.
I am still in this problem !!!!!!!!!!!!!!! Mad | :mad:

choose directory dialog

ygxdha4-Jun-02 6:43

ygxdha

4-Jun-02 6:43

i want to have a dialog to get the directoryname that i choose.
i have already make one use DriveListBox, DirListBox and FileListBox.
code:

using Microsoft.VisualBasic.Compatibility.VB6;
using .........
namespace CustomerFolderDialog
{

public class FolderDialog : System.Windows.Forms.Form
{
....................
public string Path
{
get { return dirListBox1.Path; }
}
private string tempDrive;
……
public FolderDialog()
{
InitializeComponent();
tempDrive = this.driveListBox1.Drive;
}
……
private void driveListBox1_SelectedIndexChanged(object sender, System.EventArgs e)
{
try
{
this.dirListBox1.Path = this.driveListBox1.Drive;
tempDrive = this.driveListBox1.Drive;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
driveListBox1.Drive = tempDrive;
}
}

private void Form1_Load(object sender, System.EventArgs e)
{
this.label1.Text = dirListBox1.Path;
}

private void dirListBox1_Change(object sender, System.EventArgs e)
{
try
{
this.fileListBox1.Path = this.dirListBox1.Path;
this.label1.Text = dirListBox1.Path;
}
catch(Exception ex)
{
MessageBox.Show (ex.Message,"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
}
}
}

but i don't like this.
i want its face like the "OpenFileDialog"
who can tell me how to it?

Directory List Box

4-Jun-02 3:42

Hello everyone !!!
In so many applications, I have seen a button "Browse", which fires up a simple tree-based directory picker, a small pop-up window that allows a user to pick a directory and click either "OK" or "Cancel" buttons. There is a similar control in VB 6.0 called DirListBox.
However, I have not found anything like that in C# - and I thought that C# is great GUI language for Visual C++/MFC developers Frown | :(

Does anyone know ???

Thanks a lot in advance.

Kirill

Re: Directory List Box

ygxdha4-Jun-02 6:40

ygxdha

4-Jun-02 6:40

you can use this control in c# after you install vb#.

you can see my code upstair.

Directory List Box

SuperGeek4-Jun-02 3:41

SuperGeek

4-Jun-02 3:41

Does anyone know ???

Thanks a lot in advance.

Kirill

Re: Directory List Box

Mazdak4-Jun-02 3:59

Mazdak

4-Jun-02 3:59

In visual C++,we use shell programming.

SHBrowseForFolder

Mazy

"The more I search, the more my need
For you,
The more I bless, the more I bleed
For you."The Outlaw Torn-Metallica

Dial up

Mazdak4-Jun-02 2:27

Mazdak

4-Jun-02 2:27

How can I dial up and connect to internet with modem in my C# program?

Mazy

"The more I search, the more my need
For you,
The more I bless, the more I bleed
For you."The Outlaw Torn-Metallica

Re: Dial up

Rama Krishna Vavilala4-Jun-02 14:26

Rama Krishna Vavilala

4-Jun-02 14:26

You need to PInvoke InternetDial function.

Re: Dial up

Mazdak4-Jun-02 19:53

Mazdak

4-Jun-02 19:53

Rama Krishna wrote:
You need to PInvoke InternetDial function.

Thank you for reply,but I can't find that function in MSDN.Could you please clarify it more. Smile | :)

Mazy

"The more I search, the more my need
For you,
The more I bless, the more I bleed
For you."The Outlaw Torn-Metallica

Re: Dial up

James T. Johnson4-Jun-02 20:33

James T. Johnson

4-Jun-02 20:33

I see it in my local MSDN; make sure you don't have it filtered to show only .NET related items.

MSDN Website entry.

James

Re: Dial up

Mazdak4-Jun-02 21:26

Mazdak

4-Jun-02 21:26

oh,yes.So agaian I have to use win32. Frown | :(

Mazy

"The more I search, the more my need
For you,
The more I bless, the more I bleed
For you."The Outlaw Torn-Metallica

Accessing methods/properties in the initial form...

Andrew Connell4-Jun-02 2:16

Andrew Connell

4-Jun-02 2:16

I'll start with saying that it's somewhat difficult explaining exactly what
I am having trouble with, so bear with me..

My application loads an initial form (MainContainer). This form, uses
another class file (PAMenu) within the project to build & return an object
containing a control menu. The PAMenu contains all of the menu
construction, changes, and event handlers. It uses a 3rd party control
(MagicLibrary) to build the menu (giving it the OfficeXP/VS.NET menu
appearance). My problem is that I am having trouble accessing methods &
properties in the MainContainer form from the event handlers. Here's a bit
of code:

[MainContainer]
private PAMenu thePAMenu = new PAMenu();
appMenu = thePAMenu.Menu(); // builds the menu with default settings & display settings
Controls.Add(appMenu);

[PAMenu]
//this simply builds the menu and contains event handlers
//the internal menu object is called 'theTopMenu'

[MagicLibrary]
//this control overloads the MenuControl and MenuCommand objects

I have no problem handling events if they don't interact with the
MainContainer or it's child forms (such as the Exit handler running
Application.Exit()), but calling a public method within MainContainer just
isn't working. I've tried the following from within an event handler in
PAMenu:
this.theTopMenu.ParentForm
which gave me access to the default properties of the MainContainer form (I
was able to change the text in the titlebar), but I can't see my exposed
methods. The odd thing is that I can see some of the private properties
when stepping through intellisense.

Any ideas?

Andrew Connell
IM on MSN
andrew@aconnell.com

Re: Accessing methods/properties in the initial form...

JerzyPeter4-Jun-02 3:06

JerzyPeter

4-Jun-02 3:06

Just cast to you class:

(MainContainer )(this.theTopMenu.ParentForm).SomeMethod()

Jerzy

Re: Accessing methods/properties in the initial form...

JerzyPeter4-Jun-02 3:21

JerzyPeter

4-Jun-02 3:21

Or do this:

MainContainer mc=(MainContainer)(this.theTopMenu.ParentForm)

Then:

mc.SomeMethod()
mc.AnotherMethod()

Jerzy

Emergency!! Can I use SDK in win32 project ?

Tida3-Jun-02 11:26

Tida

3-Jun-02 11:26

I create a project it only a win32 empty project and add my class and main() function.
I used functions in SDK:
CreateThread();
FindFirstFile().....
When I compile and build the project. It always has linkerror:nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __endthreadex
nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __beginthreadex

How to solve this problem??
Thanks for any suggestion.

Re: Emergency!! Can I use SDK in win32 project ?

Paul M Watt3-Jun-02 11:54

Paul M Watt

3-Jun-02 11:54

you need to make sure that your project is linking with this library, LIBCMT.LIB.

Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!

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