C Sharp :: Get Default Program For Extension?

May 26, 2012

Is it possible with C# to get the default program for an extension? I've already done some research for it, but the only thing I've found out is a way to make my program the default program for an extension. So I my question is, is it possible to use anything similar to check if there is already an default program for an specific extension and which program is it?

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Visual C++ :: Default File Icon - Unknown Extension

Apr 1, 2013

If I don't assign the icon to my executable file (f.e. it's a DOS application), or I have some unknown extension in the file, Windows Explorer assigns the icon to this file.

Is there a way to somehow get this icon? Either from the registry or by any other means.

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C Sharp :: Opening A File By Using The Extension?

Apr 24, 2013

The code below is used to return a file path.

 private string BrowseJournalFile(string startRelativePath)
        {
            string str = "Journal files (*.log)|*.log|All files (*.*)|*.*";
            return PathTools.BrowseFile(startRelativePath, str, this.RootPath);    
        }

So once I click browse I get something like "E:New Files" But there is this .log file in this folder which I want to automatically store in this path.

Right now I have to click on this .log file and then select open. Is there a way I can directly load the file.I have been trying to use the FileStream but no luck.

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C :: How To Write A Program That Gives Few Default Values

Oct 11, 2014

I would like to write a program that gives you a few default values. Now you can keep these values by pressing the enter key or you can change them by just typing in new ones and confirm the new values by pressing the enter key again.

Thats as far as i got on my own but it doesn't really work. what i can do to fix this.

Code:

#include<stdio.h>
#include <conio.h>
int getInt(int min, int max);
int main () {
int a[3] = {3,4};
int b;
int code;

[Code]...

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C++ :: Create Two Box In Program Using Default Constructor

Apr 6, 2014

Im trying to create two box in this program using the default constructor. When i call to try and display the info, it says that x, y, and z are not declared in this scope. i wanted to have the user cin the length, height, and width using the void setBox function.

#include<iostream>
#include<string>
#include<cstdlib>
using namespace std;
class Box{
public:

[code]....

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C++ :: Extract File Name And Extension From TXT?

Aug 10, 2012

I have a list of files stored in a .txt file

$codeguruc++display.txt$15$

Directory File Folder: codeguruc++
File Name: display.txt
File Size: 15kbs

$ is an delimiter

I want to extract the name and the extension from txt files.

Code:
#include <iostream>
#include <fstream>
#include <cstdlib>
struct MyFile {
std::string Directory;
std::string Filename;
unsigned filesize;

[code].....

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C :: Making Header Files With Extension?

Mar 6, 2015

I have a problem with making header files in c, i get the code written only in main.c and then i have to create a files with extension .h and extension .c but how to do it.

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C++ :: Possible To Define And Write Own File Extension

Jan 16, 2013

Is it possible to define and write your own file extension. if so is it an easy process or a complex waste of time. All I want to do is define a source file for a programming language I write.

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Visual C++ :: How To Convert DLL Project To MFC Extension

Oct 5, 2012

If I drop this regular dll project and create a new MFC extension dll project, it will involve too much work. I wonder if there is relatively easier way to convert an existing regular dll project to a MFC extension dll project? BTW, how can I tell a MFC extension dll project from a regular dll project?

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C/C++ :: Determining Extension Type Of A File Using Binary

Oct 13, 2014

I am trying to write a function that determine if a file in a directory is of a gif/bmp/png/jpg extension. Right now I think I have correctly written my code all the way up to listing the files in the directory and opening them in binary mode.

Now, I am struggling with figuring out how to determine what extension the image is. Right now i am just focusing on writing my "bool isGif();" function... To determine if a file is a .gif extension using binary, the first 6 bytes of the file will contain either GIF87a or GIF89a.So, to do this I would read the first six bytes of the file using the function below, correct?

fin.read((char *) &a_file, 6)

Then, once I read in the first six bytes how would I conditionally compare it to determine if it is a .gif? Would I just use

if(fin == "GIF87a II GIF89a) {
\do something here
}

Because that doesn't seem to be working...

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Visual C++ :: Shell (Namespace) Extension Not Registering?

Dec 13, 2012

I have created a Namespace Extension (I hope so) by creating a ATL Project with MFC support as dll in Visual Studio 2010.

Now I have a Implementation of IShellFolder:

Code:
// ILCShellFolder.h: Deklaration von CILCShellFolder
#pragma once
#include "resource.h" // Hauptsymbole
#include "NewNSE_i.h"
#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)

[Code] ....

Not any of those IShellFolder Methods is being called... When I attach the explorer.exe process (which I know I can use to debug on other projects, just in case to exclude errors) it tells me that the DLL is not loaded by the explorer.exe process.

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Visual C++ :: Can Create Graphical Extension For VS 6.0 Debugger

Feb 8, 2013

I'm digging an old project and i can't switch to a newer visual studio.

I want to plot float data array during debug.

I know some IDE's have such option. There is a separate window in which we can plot data.

Can I write such plugin for Visual Studio 6.0 using visual studio SDK?

Does it support 6.0 version?

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C++ :: Extension DLL Callback Function Used For A Windows Service And Write To File

Oct 11, 2014

I have a problem with an extension DLL that has an exported function. The function is being exported ok, it is called by a Windows service. The Windows service is using the exported function, and everything works. I am trying to create a file with:

ofstream file;
file.open("C:dir ofile", ios:ut);
file << "text";

But nothing happnes however. There are no errors, the file is just not created. Also, if i try to call MessageBox() in the exported function, nothing happens as well . I have a .h file which exports the function with __declspec(dllexport) DWORD WINAPI functionName(), and also a .cpp file with the function definition. There is no main().

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C Sharp :: Use A Program To Add New Class?

Nov 30, 2012

Whether it is possible to add a new class to a program? For example: program a is my main program and I want to use program b to just add a new class to program a.

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C Sharp :: Make A Program Without Using Class

Apr 22, 2012

Is there any way or trick to make a program that executes without using any class or class concept

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C Sharp :: Program To Update Database Using Datagridview

Feb 22, 2015

I have a program in C#.net. There is a datagridview which shows all the details of the student. Then I add a column to update another column using the value I entered. Means I want to add roll no to student details table while running. I want the code to update it. Is it possible?

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C Sharp :: Program The Text Import Wizard Of Excel?

May 6, 2013

I have a requirement where I have to import a lot of text files into excel. Up till now I can import the text files using visual studio C# but after importing the format is not exactly the way I want (mostly the delimiters). So I have to manually use the text import wizard and make the changes. I was just wondering if there is any way to program all of it. Delimiting the spaces, specifying the column widths, eliminating a few rows and columns.

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C Sharp :: Convert Log Parsing Program Written In Perl

Feb 13, 2013

Following is a script written in perl :

#Number of bugs edited in Watson Express  
#find server*/watson*/log/ -name "watson*" -type f  -newer  ./tmpoldfile ! -newer  ./tmpnewfile  | 
xargs grep "WX Edit Bug" | awk '{print $8}' | sort | uniq  | wc -l  
// 

this is log parsing string in perl based on bash file.

Need a log parsing program in C# for the same.....

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C Sharp :: Windows Form Not Displaying When Program Is Executing

Apr 9, 2013

I have a Windows form application which has database and will store user details. my problem is while executing program form is not displaying .

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C :: Default Value Of Pointer

Feb 28, 2014

Following is the code snippet

Code:
[COLOR=white !important]?
1
2
3
4
5 char str1[]="Bombay";
char str2[]="Pune";
char *s1=str,*s2=str2;
while(*s1++=*s2=str2);
printf("%s",str1);

Output of this code comes out to be Pune

But according to me output should be puneay.

Pune should be copied in place of Bomb.and rest should be as it is.
[/COLOR]

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C++ :: Set Pointers To Default Value For Both 32 Bit And 64 Bit

Sep 6, 2013

I have a problem. I want to set pointers to a default value for both 32 bit and 64 bit compiles. The 32-bit version works as:

enum constants { UNDEFINED = 0xDeadBeef }
if ((unsigned long)ptr == UNDEFINED)

but I can't seem to extend this to 64-bits. I've tried
#if __SIZEOF_POINTER__ == 4
enum constants { UNDEFDATA = 0xDeadBeef };
}; // enum constants
#elif __SIZEOF_POINTER__ == 8
enum constants { UNDEFDATA = 0xDeadBeefDeadBeef };
#endif

with:
if (ptr == UNDEFINED)

but get a message saying the '==' is undefined (I understand this)

Is there any way to setup so that I can change the size of my constants so that the comparisons will always work correctly? I've tried a 'typedef' but the compiler complains at

'typedef unsigned long long ADDR' // won't accept, and
static const SlipCellBase * const TEMPORARY = (SlipCellBase&)0xFFFFFFFFFFFFFFFF; // illegal conversion

enum doesn't work (because it's an int?)

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C++ :: No Appropriate Default Constructor Available?

Oct 12, 2014

First I wrote a Binary-tree class to draw a binary tree on the window. The nodes were small circles. Then I become wanted to change the shape of the nodes from circles to triangles by another class, Binary-tree-derived which is derived from Binary-tree class. I wrote the below code to do the job but I get two errors about constructors. First, code:

/* The binary-tree class, one of the topics that has been said in Programming Principles and Practice using C++ book by Biarne Stroustrup.
This code is written by R Abbasi (s.rabbasi@yahoo.com) */
#include <Simple_window.h>

[Code].....

Errors are:

Error12error C2512: 'Binary_tree' : no appropriate default constructor availablec:userscsdocumentsvisual studio 2012projects est_1 est_1 est_1.cpp91

13IntelliSense: no default constructor exists for class "Binary_tree"c:UsersCSDocumentsVisual Studio 2012Projects est_1 est_1 est_1.cpp91

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C :: How To Create Default Arguments

Oct 20, 2013

How to create default arguments in C? Is there any way to make default arguments ( i mean any alternative for them).

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C++ ::  How To Write A Default Constructor

Sep 27, 2013

How do you write a default constructor?I need to use a default constructor that will initialize the data members:
- salesPerson to “Unknown”
- noOfWeek to 13
- amount to point to an array of thirteen 0.00s.

This is my weeklysales class

class WeeklySales {
char* salesPerson;
double* amount; // Pointer to an array
int noOfWeek; // Size of the array
};

Here's my attempted code:

//default constructor
WeeklySales (){
salesPerson="Unknown";
noOfWeek = 13;
amount = 0.00;
}

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C++ :: Synthesized Default Constructor

Dec 25, 2013

A compiler auto created default constructor is called a synthesized default constructor. It will initialize the built-in members to 0 or not depends on where the class object is defined? if I define a class

class point{
public:
double x, y;
};

if I define point point1; in global scope then point1.x and point1.y will be initialized to 0, if I define point point2; in a local scope, then its x and y won't be initialized? If it is like this, then I believe if there are built-in type members in a class, then the synthesized default constructor is almost useless!

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C++ :: Multiple Default Constructors Specified

Dec 16, 2014

I have an inherited class that essentially manages a Qt Window.

It is as follows (prototype below):

class QTMyOpenGLWindow : public QWindow, protected QOpenGLFunctions {
Q_OBJECT

[Code] ....

Now, I can understand the confusion of the compiler, but the functionality as I laid it out works for me (I can create the class with just specifying the parent and also have the option of preventing auto-initialization when creating). But, is there a better approach?

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