C# :: Create GUI Application That Can Resize Also Control Buttons?
May 23, 2012
how can I create a GUI application that can resize also the control buttons. If the user decide to make the windows bigger or smaller I would like my textbox, buttons, etc.. to follow. Like in Java they use a layout manager, but I can't seem to find the answer for c#. I though to use table layout panel, but it doesn't expand when expanding the windows, unless i miss something
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Aug 8, 2013
//#import "c:windowsSysWow64mscomctl.ocx" raw_interfaces_only //in window7
using namespace MSComctlLib;
CComPtr<IButtons> pButtons;
CComPtr<IButton> pButton;
CComPtr<IImages> pImages;
[Code] ....
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Mar 26, 2013
Is there an easy way to create a column of buttons ina listView?
I need that every file of the listView has a button in the first cell. Is that possible?
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Nov 14, 2014
You are requested to create an inventory control application for a drink stall (give a name to the stall). The application is used to show the list of drinks the stall sells, how many of each item on‐hand and the cost of each item. The records are to be saved and retrieved to/from a binary file called “drinks.txt”. For each drink in the stall, your program is to keep the information as a Record Structure called DrinkRecord. The structure should at least consist of the following:
(1) Item Number
(2) Item Name
(3) Quantity
(4) Unit Price
Your application should have the following features:
(a) Display a drink information
(b) Add a new drink information
(c) Update a new drink information
(d) Delete a drink information
(e) Display all drink information
#include <string>
#include <fstream>
#include <vector>
#include <iterator>
#include <algorithm>
#include <stdlib.h>
#include <iomanip>
[code].....
Everything works fine with minor issues, but I'm having trouble with the editing function. I need to be able to search for a specific drink then be able to edit its contents and print the new contents to the file. I have not created a structure yet. I will do that as soon as possible.
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Jan 26, 2014
I want to make an online application which will connect to my database to do the stuff, but I don't want the credentials to be stored somewhere in the program or in an external file somewhere in the computer or hardcored in anyway in the code.
I think that a good solution is (but I don't know how to implement it): on program execution, the credentials will be downloaded from my website somehow in an encrypted type maybe, from an api or so.
I've not tried before to make an online application, it's the first time. But I do have knowledge of SQL and PHP and I want to try a project like this.
The technology I am going to or can use is:
* Visual C# (in Visual Studio 2010 Ultimate)
* MySQL Connector/NET
* MySQL Database on a shared host
* PHP (if needed)
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Jun 27, 2013
i have to create a console based application in c language that can join and split bitmap images. the requirements of the application are as follows :
1. Split Image
Enter number of parts:
Enter source image path:
Enter destination folder:
2. Join Images (all images should be of same width and height)
Enter image path:
Join more Image (y/n):
3. Exit
Take care of following things:
- Application should show number of images processed while running.
- Acceptable Image format is BMP only.
- Application should give all the validations for correct image name, type, size, path, etc.
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Apr 2, 2013
Create an a simple Payroll Management Application using the concept of Binary Tree. The program will allow you to add, sort, view, search record. The application have also the capability to save and retrieve data in a file.
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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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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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Jan 6, 2015
I have an array of blocked users and I want to be able to increase the element size every time a new user is to be blocked.
The blockedUsers array and blockedCount int are global varaibles
Code:
int blockedCount = 0;
char ** blockedUsers; Code: int blockUser(char *username)
{
int i = 0;
[Code]....
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Aug 22, 2014
I am trying to re-size a bitmap image for a class.They gave us two options to use to do the program with: an array or move the file position indicator. I want to use the file option. All the bitmap header info is checking out. The file after being re-sized should be 822 bytes but it is 1.6 KiB and the image is distorted.
Code:
#include <stdint.h>
/**
* Common Data Types
*
* The data types in this section are essentially aliases for C/C++
* primitive data types.
[Code]...
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Apr 22, 2014
I made a resize function for my dynamic array template class that goes as follows. Note that the private member variables are T* arr, unsigned used, and unsigned cap.
template <class T>
void darray<T>::resize(unsigned size) {
if (size > cap) {
T* temp_arr = new T[size];
[Code] ....
Whenever I use this function to increase the size of the array, it will work the first time I need to use it, but after that, Visual Studios will trigger a breakpoint at line 14, and if I continue past the breaks, I eventually get _CrtIsValidHeapPointer(pUserData) assertion failure.
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Mar 7, 2014
We can construct vector in following ways
vector<int>v1; //create an empty vector
vector<int>v2(arr,arr+4); ///to create vector from an array
vector<int<v3(v2); //throuh copy constructor
But I have come across some program in a forum,they have create vector like this
vector<int>v(10,5)
I am clueless ,is this allowed?,what syntax allows this?
if a vector is create like this
vector<int>v(3);
v.push_back(1);
v.push_back(2);
v.push_back(3)
v.resize(2);
Now I am curious to know what are the changes those will happen in vector v because of resizing it?
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Jan 5, 2013
When I use vectory.push_back(obj), if the length is out of reserved bound, it will deallocate the whole vector and reallocate a big piece of memory. From my understanding I think c++ only allocates 1 more place for the new obj. This is quite inefficient. Is there a way to set the step length whenever the size is out of bound? e.g. 50 more spaces.
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Nov 22, 2014
I have a bit map which I wants to re-size according to new point. But on Paint Event Method getting error not Implemented.
CODE Under Paint Event Method
private void pictureBox3_Paint(object sender, PaintEventArgs e) {
Point[] destinationPoints = {new Point(200, 20),new Point(110, 100),new Point(250, 30), new Point(250, 30) };
Image image = new Bitmap("D:\APP\Resources\MyPic.Png");
// Draw the image mapped to the parallelogram.
e.Graphics.DrawImage(image, destinationPoints);
}
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Dec 15, 2014
When I try to resize my form, every time i try to resize it while running, the window blinks between original size and the new size it was given, when i release the mouse it either stay in its new size or shrinks back to its original size, What makes it return to its original size, maybe its something with the form_Resize function..
private bool inForm_Resize = false;
private Size PrevSize;
private void Form1_Resize(object sender, EventArgs e) {
double dRatio = 1.6;
if (!inForm_Resize) {
inForm_Resize = true;
[Code] ....
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Oct 27, 2014
Is there any way to allow user to resize a CDialog only in one direction ? I mean, by width, but not by height ? How ? I noticed that overriding WM_SIZE, I can do nothing about this issue ...
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Feb 19, 2013
I am currently working on problem set 4 for Harvard's online CS50 course. I am working on a program that resizes a bmp image by a factor of N. N in entered along with an in-file and out-file in a command line argument. The program needs to calculate the header file for the out-file and write it to the out-file. It then needs to actually resize the image and, again, write to the out-file.
The first question I have relates to the header file, here is my code for calculating the header file:
bi2.biHeight = bi.biHeight *n;
bi2.biWidth = bi.biWidth *n;
int padding = (4 -(bi.biWidth * sizeof(RGBTRIPLE))%4)%4;
bi2.biSizeImage = (bi2.biWidth * sizeof(RGBTRIPLE) + padding) * abs(bi2.biHeight);
bf2.bfSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + bi2.biSizeImage;
And here is my code for writing the new header file (bi2 and bf2) to the out-file:
fwrite(&bf2, sizeof(BITMAPFILEHEADER), 1, outptr);
fwrite(&bi2, sizeof(BITMAPINFOHEADER), 1, outptr);
At this point I need to actually resize the image. As far as I can tell there are 2 ways to go about this you either have to use an array to store each line you want to print repeatedly (and then you can just write it repeatedly) OR you have to move the pointer back in the input stream and repeat the read/resize/write process each time you need to print the row.
It is this that I am stuck on, first of all, I am not sure what system would be better for resizing the image, although I am leaning towards using an array, and regardless, I don't even know where to begin when in implementing either.
So what I am asking for is, first of all, just a "double check" to make sure my header code makes sense. And second of all, a push in the right direction for actually resizing the image. Here is my complete code:
/****************************************************************************
* resize.c
*
* Resizes a BMP piece by piece, just because.
***************************************************************************/
#include
#include
#include "bmp.h"
int main(int argc, char* argv[]) {
// ensure proper usage
if (argc != 4) {
printf("Usage: copy N infile outfile
[Code]....
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Nov 29, 2014
What happens if I make a server application using tcp protocol and then establish connection with a client application but the server crash and then the client send data. Will the data be lost or the system will continue trying to send it?
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May 5, 2014
Basically I am creating a game and I need the ai to look for specific buttons. At the moment this is the code I have, and what it does is it makes the ai look for any random button that has't already been clicked.
Code:
private Button look_for_spaces() {
Console.WriteLine("Looking for spaces");
Button b = null;
foreach (Control c in Controls) {
b = c as Button; // performs a cast
[Code] .....
Now what I'm trying to do is make the ai go through 4 searches in steps instead of looking for any button. I want it first to look for buttons 1, 2 and 3, if there's a space in any then it will be clicked but if all of them are already clicked it will look for spaces in buttons 4, 5 and 6 and so on if that makes sense. But i'm not too sure how I would do it.
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Aug 29, 2013
class Matrix1
{
Protected:
int ** data;
[Code].....
// How can we write resize function for Matrix2 class; where this function need to use Protected data members of matrix1 class? Only setters are available in Matrix 1 class but there is no getter function in Matrix1 class !
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Aug 29, 2013
How can we write resize function for Matrix2 class; where this function need to use Protected data members of matrix1 class? Only setters are available in Matrix 1 class but there is no getter function in Matrix1 class !
class Matrix1 {
Protected:
int ** data;
[Code]....
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Apr 25, 2013
i have 1 class with several class's and 1 structure:
Code:
struct Images {
HBITMAP ImageImage;
BITMAP Imagebm;
HDC ImagehdcMem;
HBITMAP ImageMaskImage;
[Code] .....
But I get these error:
"--------------------Configuration: Sprite2 - Win32 Debug--------------------
Compiling...
Test Sprite2.cpp
C:UsersJoaquimDocumentsVisual C 98Sprite2Test Sprite2.cpp(23) : error C2440: 'type cast' : cannot convert from 'void *' to 'struct Images'
No constructor could take the source type, or constructor overload resolution was ambiguous
Error executing cl.exe.
Sprite2.exe - 1 error(s), 0 warning(s)"
I try search more code, but i get more errors ...
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May 9, 2012
I want to create an application that starts an application and passes input to that application. I know how to start a process using the classes in System.Diagnostics, but I don't know how to pass data to the process.
For example, and this is just an example, I would like to be able to automatically start an application that requires a username and password and automatically enter the username and password. Of course, that might open the door to security vulnerabilities, but that's not the point of the exercise.
How to implement the functionality I described? Is there a general way to go about doing this or does it depend entirely on the idiosyncrasies of the application in question?
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Jul 31, 2014
I want write my first application using Xamarin Studio and GTK#.
I create new file Dialog.cs: public partial class Dialog : Gtk.Dialog
I add Fixed container and can't add buttons, why?
I must use class Window : Gtk.Window instead of Dialog and show modal this window?
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Jun 24, 2014
The opjective was to build an c# deskop windows application for an classic car sales company.
My job was the employees section of the application.
my problem is the following
i have 3 tabs
summary (overzicht)
details
mutation (muteren)
on the details tab i have 2 buttons and a search box both the buttons only do somthing on the summary tab where they also need to take the selected row to the field on the other tabs.
the search box is a text box that neds to find the valve in the summary tab and then als so select the full row and put it in the onther 2 tabs fields.
this is the code for the back en next buttons
private void btnback_Click(object sender, EventArgs e)
{
if (dataGridView1.CurrentRow.Index >= 1)
{
[Code]....
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