Visual C++ :: How To Modify System Menu To Execute A Function
Feb 11, 2013
I wish to add the item 'Website' to an MFC Dialog app System Menu so that it can activate the following method:
Code:
void CMyDlg::OnWebpage()
{
ShellExecute( NULL, NULL, _T("[URL]..."), NULL, NULL, 0 );
}// OnWebpage()
I have tried this:
Code:
#define IDM_WEBSITE (WM_USER + 101)
//..
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
pSysMenu->AppendMenuW(MF_STRING, IDM_WEBSITE, _T("Website"));
}
[Code]...
The code compiles without error but and the 'website' item appears on the System Menu but it doesnt do anything.
I've inspected the following but don't really understand how it works and it seems to me there should be a simpler way to accomplish my end.
Modifying the System Menu By John Simmons 26 Jan 2007 [URL]....
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May 15, 2013
I derived a class from CRecentFileList in order to set the number of displayed chars for MRU.
The problem is that if I open the app with 256 set for this number (it is read from .ini file) the display is correct. But after I change it to 10 for e.g., File menu width remains unchanged altghough MRU are correctly displayed on 10 (or at least file name lenghts) chars.
how can I tell to the menu to shrink to actual width?
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Apr 7, 2014
I'm creating a program that is based on a menu system. Basically each menu is its own user-defined function. The problem is at each menu you can input 'b' to go to the previous menu. I just have it call the function of that menu.
However, do the functions need to complete themselves eventually? If I just keep calling functions will I just keep going further and further deeper into ever running functions?
If so how do I avoid this and yet keep the option to go back to a previous menu/function?
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Oct 16, 2013
I need a program that has a login system and then a menu that has 3 options: Add, delete and exit. If I choose Add it wil ask for certain data of 5 students.
Then after registering the 5 students, another menu with the options: Search, Delete and exit. In search it will ask for an ID and then prints all the data of a single student. Delete gives me the option to delete the data of any user I choose.
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Apr 10, 2013
im making a menu system to change the color of pixels in a gravity engine i made. the engine works fine, and the menu colors the particles, but will only ever turn them to red, no matter what color i tell it to change it to.
bool running = true;
bool colorChosen = false;
Uint32 particleColor;
Uint32 randomColor;
[Code]....
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Feb 7, 2013
I want to run Unhidden.exe in drive N: and send char to that program. I use function like this
Code:
system("N:/Unhidden.exe");
It can open Unhidden.exe but it run in visual studio 2010Projects . I try to use command N: and Unhidden.exe in cmd it can run in drive N: . So I try to use function like this
system("N:");
system("Unhidden.exe");
but it not found Unhidden.exe . How to use 2 command in sytem() function ?
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Aug 19, 2013
I am trying to write a menu program that will be broken down into a series of calls to function for each of the menu items. Two of the menu items will be simple programs which I wrote.
I want two of the functions to run one of the two programs I am trying to include as items in the menu.
So far I am only familiar with variables, loops, if statements, and I just learned how to write functions.
The problem I am have is that I don't quite understand how to write a function that will run one of the two programs. Also I am having a hard time writing the program in away that would allow the user to select the menu items.
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Sep 26, 2013
I have to write a program that simulates a handheld gaming system. a system can have power toggled so its either on or off. when the system is on, its volume level can be raised or lowerd. a system has minimum volume level of zero and a maximum volume level of 10. a system stores games.
// simple game menu
//simulates a handheld gaming system
using namespace std;
class Game {
public:
Game(int GameNumber = 3, int volume = 10);
[Code] .....
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Feb 16, 2014
How do I detect left mouse button down and up events on the 'Close' option of the system menu that appears when the mouse is clicked on the top left corner of a form?
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Jun 4, 2013
I was reading a c++ code written in embarcadero ide to add vertical colour text in popup menu.
While reading the code, I had seen following instructions.
private:
Code:
void __fastcall ExpandMenuItemWidth(TObject *Sender, TCanvas *ACanvas,int &Width, int &Height);
Code:
void __fastcall DrawNewItem(TObject *Sender, TCanvas *ACanvas, const TRect &ARect, bool Selected);
The above two methods used in the code like below:
Code:
PopupMenu1->Items->Items[i]->OnMeasureItem = ExpandMenuItemWidth;
PopupMenu1->Items->Items[i]->OnDrawItem = DrawNewItem;
What is happening when we are using member function without parameters like above?
I found above code at: [URL] ....
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Apr 29, 2014
I have a very strange problem with the system() function (on XP).
I have the following code:
Code:
char *text1 = ""A SpaceAction.bat" fred";
char *text2 = ""A SpaceAction.bat" "fred"";
int main(int argc, char *argv[]) {
printf("%s
", text1);
[Code] .....
When I run it where "A Space" is a directory with a space in the name, this is the result:
Code:
"A SpaceAction.bat" fred
F:Test>echo Testing
Testing
"A SpaceAction.bat" "fred"
'A' is not recognized as an internal or external command, operable program or batch file.
It seems that the double quotes round an argument make the parsing of the command fail.
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Sep 15, 2014
I have two menu items. When item 1 is disabled, I want item 2 to be disabled as well. In the OnUpdate handler of menu item 1, I have tried to use "t_pMenu = pCmdUI->m_pMenu;", "t_pMenu = pCmdUI->m_pSubMenu;" and "t_pMenu = pCmdUI->m_pParentMenu;" but I always get NULL t_pMenu. How can I achieve this purpose?
Code:
void CDummyView::OnUpdateMenuItem1(CCmdUI* pCmdUI)
{
if(m_bShowMenuItem1) {
pCmdUI->Enable(TRUE);
[Code]....
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Oct 8, 2014
i have to write a function to modify the input string by substituting each alphabetical character. for example, 'Programming' to 'Rtqitcookpi' (mod_int = 2).
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Mar 14, 2013
Is it possible to write a program such that it will automatically execute the function in queue base on their priority even if user programmed it randomly?
Code:
function1(){ very_important; }
function2(){ important; }
function3(){ less_important; }
int main() { // Programmed by user
function3;
function1;
function2;
//Output: Program will execute function1, 2 and lastly 3.
}
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Feb 17, 2013
For easier debugging, I would like to execute an own (predefined) function while beeing in a breakpoint (e.g. print some variables to a file).
Does there exists such a feature?
e.g.
- run program to a breakpoint
- a) press a keyboard-function-key (which calls that predefined function)
- b) or hover with cursor over a variable (and modify somehow the routine which shows its content on the screen)?
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Jun 9, 2013
I have a Third Party MS-DOS program, RUN.EXE
RUN.EXE do the following:
1. Read FILE.INP as input file and run its code execution.
2. When finish, RUN.EXE will produce FILE.OUT as the output of its code execution.
3. However, if calculation made in the code execution come to unsatisfied condition, RUN.EXE will terminate without producing FILE.OUT or partially produce FILE.OUT.
I want to write a program using MFC which I can set a several input case. The program should be able to:
1. Call RUN.EXE.
2. Wait for RUN.EXE to exit.
3. Continue with other code.
I can't modified RUN.EXE. I can't have RUN.EXE callback my program to let know it finish its work.
Are there any functions to call RUN.EXE, a MS-DOS program? Are there any way for the program to check if RUN.EXE finish its work and exited?
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Mar 5, 2014
I have simple LCd_call function . I am calling this function from main . I wanted to call this function once. problem i am facing here, When lcd_call function being called. It enter the cases but instead of staying paricular case it coming back and starting case 1 iteslf . for every 6s it change the case to 1:
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May 7, 2014
I'm programming an app that deals with large numbers. I have a do-while loop that I want to execute. I can not get it to work. The "while(d!=1)" part is the problem and I can not find a way around.
Code:
#include "stdafx.h"
#include <stdio.h>
#include <gmp.h>
#pragma comment(lib, "gmp.lib")
int main (int argc, char *argv[]) {
mpz_t d;
[Code] ....
I get errors:
1.error C2446: '!=' : no conversion from 'const int' to '__mpz_struct *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
2. '!=' : '__mpz_struct [1]' differs in levels of indirection from 'const int'
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Sep 23, 2013
i want to modify value of whole array by passing it to a function and make each value of array multiplied by 3 ,return the value to main and print it using pointer.
error : invalid Lvalue is the error
Code:
#include<stdio.h>
main()
{
int i,arr[10];
for (i=0;i<=9;i++)
{
printf("Enter value of arr[%d] : ",i);
scanf("%d",&arr[i]);
[Code] ....
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Aug 21, 2014
In case the question was not very clear. Say I have the following code:
int sum(int * x, size_t N){
int sx;
/* returns sum of elements in x */
return sx;
[Code] ....
I'm curious to know whether there is a way that ensures a function does not modify the memory pointed to by a pointer.
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Feb 17, 2013
I would like to implements something in my code that clears the value of my variables when the user closes the console. How to do that or the program clears the values automatically?
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Dec 23, 2012
I know how to use functions pointers in C and C++ and I know if you have something like
char buf[] = {
0x48, 0xb8, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x48, 0xbf, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0f, 0x05
};
((void (*) (void))buf)();
That this will execute those binary instructions in hexadecimal notation BUT WHY? I don't get why that works since that's an array of data not a function?
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Jan 23, 2013
this is my C# code
System.IO.Directory.SetCurrentDirectory
("C:/Users/fahime/Documents/Visual Studio 2010/WebSites/MyWebSite/UserFiles/ProblemAnswers/");
Process.Start("cmd.exe", @"/k ""C:Program Files (x86)Microsoft Visual Studio 10.0VCvcvarsall.bat"" x86");
[Code] .....
I want to compile my cpp code file with visual studio cmd
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Jan 9, 2014
I am developing a CFormView MFC app. When I go to click something on the menu, it takes awhile before the event happens. The project is build optimized in release mode. I have 3 additional threads and I thought they might be blocking the internal MFC framework stuff, but I use the Sleep() call in each thread to yield to the MFC main app.
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Mar 14, 2013
I have an MDI application using different menus depending on the current document template in use.
I need to show the top-level File Menu from the IDR_MAINFRAME window when a command is sent from the active document.
I would like to application to deactivate the active child window and then show the File menu as if the alt-F key was pressed from the keyboard.
I have tried CMenu *pMenu=AfxGetMainWnd()->GetMenu();
but this does not display the menu at all.
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Dec 23, 2013
Normally, menu bar resides below the title bar. See attachment MenuBarOriginal.JPG
Is there a way that we can position the menu bar? For example,place it on the side or anywhere on the dialog box?
MenuBarModified.JPG is some sample of menu bar positions that I want to place.
I want to do this on a dialog box.
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