C# :: User Control Being Blank On Main Window
Jan 5, 2015
I have followed the tutorial here - [URL] .....
This is a tutorial that I have gone through completely with success, but now I am trying to create a different project using the same sort of setup.
When I add my usercontrol to the MainWindow it has none of the buttons/TextBlocks on which I have put on the UserControls - It is just a blank box. What could be causing this?
I have changed the name of the project to [snip] because it has a company name in it...
"NumericControl.xaml"
<UserControl x:Class="[snip].UserControl.View.NumericControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
[Code] ....
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Aug 26, 2014
I am wondering what the best way would be for me to pass a piece of data between all of my different windows and user controls in my program.
Would i have to pass it separately between them e.g. add a piece of code into the button click event that will open the new window.
Or is there a way i can make it so that it is declared in the first window and then is accessible by all other windows and user controls.
Note: this is using WPF.
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May 24, 2014
I have researched quite extensively, experimented, and still cannot seem to change the properties of a control on an active winform from a user control.
So I have a user control which populates each dynamically added tab page in a tab control.
I have a textbox in the user control which I would like to type in, capture the text_change event, and change the text of the label in the winform.
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Nov 30, 2014
I have a child window above an edit control.
When the position of the control in the parent in the child on top of it is clicked the control gets topmost. Is there any way to prevent this?
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Feb 18, 2014
I need Edit Box and List Box controls on the Parent Window or Main Window of my application. I know how to use them in dialogs ..
I will need to Read/Write/Modify data from Edit Box . How to do this ?
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Sep 17, 2014
Basically i have a 'HomeWindow' with a button 'OptionWindow'. My idea is that the 'OptionWindow' button will open up the 'OptionWindow'. Which will give the user three options 'Option1', 'Option2' and 'Option3'. If they pick 'Option1' then in the 'HomeWindow' in a stackpanel i want it to display 'UserControl1'. Where as if they pick 'Option2' then in the 'HomeWindow' in a stackpanel i want it to display 'UserControl2'.
If you need some of my code that i have already then let me know what you need as i have a lot of it so can't paste it all in one go. But the new thing i need is the way of making the user-controls in the 'HomeWindow' change depending on what is selected in the 'OptionWindow'.
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Aug 4, 2013
My goal is to create a loop that keeps taking user input over and over until the user doesn't enter anything into 'cin >>', leaves the line blank, and simply presses the ENTER key to move on, at which point the program is supposed to break out of the loop and continue on with the rest of program execution. Something like this:
Code:
do {
cout << "
Enter a name: ";
cin >> input1;
if (input1.empty())
[Code] ....
As you can see, I've already tried using the empty() function, but that didn't work, the program simply stays in the loop and doesn't break out, no matter how many times I press enter. It just keeps prompting me to enter a name. I've also tried using something like
Code: if (input1 == "")
but that doesnt work either. How do I break out of this loop?
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Aug 4, 2013
So I've run into the following problem. My goal is to create a loop that keeps taking user input over and over until the user doesn't enter anything into 'cin >>', leaves the line blank, and simply presses the ENTER key to move on, at which point the program is supposed to break out of the loop and continue on with the rest of program execution. Something like this:
do {
cout << "
Enter a name: ";
cin >> input1;
if (input1.empty()) {
[Code] .....
As you can see, I've already tried using the empty() function, but that didn't work, the program simply stays in the loop and doesn't break out, no matter how many times I press enter. It just keeps prompting me to enter a name. I've also tried using something like
if (input1 == "")
but that doesn't work either. How do I break out of this loop?
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Feb 14, 2014
I am having trouble returning use input from iterations after the first series of input from the user. My readCourseArray function can only have one parameter and it is information from the structure Student. This information is gathered from a function which is not in the code below because it works fine. I have hard coded a few lines to try to figure out why I am not getting any input after the first pass of the readCourseArray function. I have tried to delete the tempArray in the function after each pass assuming that that could be the issue. But it was not. At least from what I have gathered. I have tried ignoring new line characters which I never really though was an issue but I tried anyways.
I guess what I am asking is: Is my problem coming from the function itself or from my assignment of the cArray to the return tempArray values?
Like I said, the first pass will print out all of the user input (if I put the code in) but all others will return bad values. I did have a do/while to print out the values but it caused the program to crash. I assume because it hit a bad value and needed to break.
#include <iostream>
#include <string>
using namespace std;
struct Student {
string firstName, lastName, aNumber;
int numberCourses;
double GPA;
[Code] .....
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Jan 28, 2015
Code:
#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
#include<string.h>
int main(void) {
int i;
char *str;
int len = 1;
[Code]...
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Dec 15, 2014
I am using
string text = System.IO.File.ReadAllText(@"C:datainput.txt");
to open a file and save it content to "text"
How can I instead create new window where user will select the .txt file he wants to read like many applications do
This is a WPF application
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Apr 1, 2014
(C#, visual studio 2010, Windows Forms Application)
Ive set up one form that has two labels at the top (Western, Eastern). Below that I have a tabcontrol that contains two tabs (Sales, Products)
I have added four user controls:
WesternSales
WesternProducts
EasternSales
EasternProducts
The idea is that when you click on one of the labels (Western or Eastern) you access the tabs relevant to that region.
So, If i click on the "Western" label and then the "Sales" tab, the program loads the WesternSales usercontrol into the Sales tab. Likewise, if I click on the Eastern label and then the Sales Tab, the program loads the EasternSales usercontrol into the Sales tab, etc.
I want to eliminate the need for multiple data adapters. How can I load data from our database into each of the respective usercontrols using one data adapter?
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Nov 12, 2014
So I am upgrading the system from 3.5 .NET to 4.5.1 and fixing any bug that I could find. Long story short, I run into an issue that basically tell me it couldn't find the images in the resource file. I figured out a work around, but first I have to set the picture box or background Image in design time to none. I ran into this Properties Windows while changing the value of picturebox for my user control saying: Property value is not valid. Object reference not set to an instance of an object. This usercontrol is taken from another user control from a different project. Basically, we are reusing it.
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Apr 25, 2014
I am encountering a problem on retrieving the Window Proc of a window that running in a process with another user.
For example, I have logon windows with domainuser1, and run the following command as:
runas /profile /env /user:domainuser2 C:WindowsSystem32calc.exe
And then the Calculator is shown in domainuser1 desktop, but the process is running in domainuser2 account.
When running Spy++ (either wither domainuser1 or domainuser2) to view the calculator window, the Windoe Proc field is shown 'Unavailable' I also try to call GetWindowLong against this window, it will always returns NULL.
I am just wondering if it is possible to retrieve the Window Proc of the window running in a process of another account, is is possible?
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Nov 14, 2014
I want to return value from user defined function to main.
Code:
#include <stdio.h>
int mult ( int x, int y );
int add(int x, int y);
int loop (int y);
int main() {
[Code] ......
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Mar 15, 2013
I am a beginner with C++, taking a class right now. The lab this week is to create a user defined class and have it accesses in a separate .h header file from the main.
I think I'm finding my way through it, but I'm getting a complie error that makes no sense to me:
1> Resistor.cpp
1>c:users omdocumentsschoolcomp 220week 2lablab 2.2lab 2.2
esistor.h(11): error C2146: syntax error : missing ';' before identifier 'resistor'
1>c:users omdocumentsschoolcomp 220week 2lablab 2.2lab 2.2
[Code] .....
Here is the first portion of the .h file:
#include <iostream>
#include <iomanip>
#include <Windows.h>
#include <math.h>
#include <string>
class CResistor{
double res1, res2, res3, percentage, Nominal, Tolerance;
[Code] ....
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Apr 25, 2014
How do I bind a DATE column in a DataGridView Control to a DatePicker control (using C#)? I already have the DataGridView control bound to a database stored procedure which takes a DATE value as a parameter and selects joining table based on the results.
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Apr 22, 2014
I hav created mdi parent form that contain one user control. I want to access that user control from one of the child form
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Jul 10, 2014
I am trying to modify a user control while modifying the main form. For example i have my main form open in one visual c# window and my user controls in another. However it seems that in order for my code changes in my user control to have any effect on the main form i need to close all my c# windows and then re-open them and even then that sometimes doesn't work am i doing anything wrong or is this supposed to happen??
Also yes i am saving and clicking build solution on my user controls.
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Oct 30, 2014
I wrote a program to compress a file with gzip, which works fine. I also wrote a program to decompress the gzip file, which runs but outputs a blank file.
Code:
main.cpp:
#include "decompress.h"
int main(int argc, const char * argv[]) {
if(argc == 3) {
decompressor(argv[1], argv[2]);
[code].....
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Mar 21, 2014
I am trying to draw a 2d grid array for a battleships game. I need the grid to have a border around each cell, how to do this. so far my code is:
#include<iostream>
using namespace std;
int main(){
int grid[5][5] = {{0}};
[Code] .....
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Feb 17, 2013
//#include "stdafx.h"
#include<iostream>
#include<cmath>
using namespace std;
//class declaration
class dayType{
public: int presday;
[Code] ....
So everything works perfectly, well not everything lol. Code compiles successfully without any errors but previous day does not calculate. In a sense that when it asks for number of previous days it returns a blank statement.
For example: Previous number day is: shows nothing
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Oct 23, 2013
I'm working on a Hash Table implementation and after fixing all the errors and finally getting it to compile and link correctly, I am met with a black screen upon execute.
main.cpp
#include <stdio.h>
#include <string.h>
[Code]....
I tried inserting a debug statement in the main() function to see, and it wouldn't even print out the message "debug me" on the screen.
I am using Code::Blocks on Windows with the mingw32-g++.exe compiler. Here is my build log:
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashElement.cpp -o objDebugElement.o
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashHashTab.cpp -o objDebugHashTab.o
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashmain.cpp -o objDebugmain.o
mingw32-g++.exe -Wall -g -c D:MediaDesktopHashStudent.cpp -o objDebugStudent.o
mingw32-g++.exe -o binDebugHash.exe objDebugElement.o
objDebugHashTab.o objDebugmain.o objDebugStudent.o -mwindows
Output size is 1.06 MB
Process terminated with status 0 (0 minutes, 2 seconds)
0 errors, 0 warnings (0 minutes, 2 seconds)
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Oct 2, 2013
I have already data in two dimensional matrix but some cell is empty.Now i want to put 0 in blank cell.
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Feb 19, 2014
Well still working on my project, now the bubble sorting failed. For some reason the first slot in the array is empty and when I attempt to enter a record to access, it just crashes or prints a blank record. Here is my code for the viewing of the record and a SS of the empty array slot.
Code:
void searchRec(void) {
void Printing(int *ver, int *max);
FILE *fPtr;
struct Students vStudnt;
int set;
int ver;
int i = 0;
int fin = 0;
int sel;
char order;
[Code]...
Well I don't see why there is a empty slot, why?
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Feb 18, 2013
Modify your code by adding your own tests to see if your functions work right. Include at least 6 separate tests, of your choosing.
For example, test the compare function with the first parameter as a blank string -- then with the 2nd as a blank -- then both. Test compare with the first string shorter than the second -- then the other way around. Test your copy function with long strings.
I am struggling with how to use the compare function with a parameter as a blank string. I tried leaving the first parameter blank but doing ("",text) but I don't think that is the correct way of doing this.
#include <cstring>
#include <iostream>
using std::cin;
using std::cout;
using std::endl;
int myStrLen(const char[]); // return length of null-terminated string stored in char array
[Code] ....
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