tanatos.daniel

I want to determine if the mouse cursor is above a Windows Form and if so, change its color, but I'm kind of new to this and C# also. I was thinking of something like this: public Form1() { InitializeComponent(); if (Control.MousePosition.Y >= 0 && Control.MousePosition.Y <= 499 && Control.MousePosition.X …

I have this simple program in which I want to concatenate two char pointers using memcpy, but I get access violation writing location on the memcpy line. Why is this happening and what could be done to make it work? Thanks. char *first = new char[20], *second="world!"; printf("first: "); scanf("%s",&first); …

I am desperately trying to add a DataGridViewComboBoxColumn to my DataGridView programatically. Here is the Code I've got so far. DataTable dt = new DataTable(); dt = _userBL.getUsersTable().DefaultView.ToTable(false, "Person_ID", "FirstName", "LastName", "Title", "Username"); dataGridView1.DataSource = dt; DataGridViewComboBoxColumn ComboBoxCell = new DataGridViewComboBoxColumn(); ComboBoxCell.Name = "State"; ComboBoxCell.ValueMember = "State";//ComboBoxCell.DisplayMember = "State"; ComboBoxCell.DisplayMember …

I'm having a ComboBox in which I added items in order provide the user autocomplete for the text he's typing. I am looking for a property of ComboBoxes that could identify if the text was an item of the ComboBox or not. (I would like not to loop each time …

I would like to do something like this: comboBox6.Items.AddRange(new IEnumerable<int> { Enumerable.Range(1,8).ToArray() } ); (add numbers 1 to 8 to ComboBox Items using an IEnumerable object), but i can't figure out how. Thanks.

TextBox has different heights by default, depending on the font size. I've been able to resize the text boxes by turning off AutoSize, but the text still hugs the top of the control, leaving a gap below. How could I obtain a VerticalAlignment property?

I want my XML file to look like this: <?xml version="1.0"?> <Student> <Name>Jax</Name> <Prenume>Teller</Prenume> </Student> I wrote the following code in C#: using System; using System.Xml; namespace ReadingXML2 { class Class1 { static void Main(string[] args) { XmlTextWriter textWriter = new XmlTextWriter(@"c:\users\danuts\documents\visual studio 2010\Projects\BD - XML\BD - XML\XMLFile1.xml", null); textWriter.WriteStartDocument(); …

I have this function that should open two files and write their content in a third file, separated by "\n". I don't get why it works for code in comments and not for the one below it, although both provide valid text file names. void concatenate() { /*char *file=new char[strlen(" …

I have the following code: #include <iostream> #include <conio.h> using namespace std; long filesize(FILE *stream); int main(void) { FILE *stream; char c; int i=0,n; long lSize; stream = fopen("tanc.TXT", "r"); fseek (stream , 0 , SEEK_END); lSize = ftell (stream); rewind (stream); cout<<"Dati numarul de caractere:"; cin>>n; while(!feof(stream) && i<lSize) …

I have the following structure: CObject { protected: char *mName; public: CObject(char *n) { mName=strdup(n); } }; CVector:public CObject { char *mValues[50]; int mElements; public: CVector(char *n):CObject(n) {} }; CMatrix:public CObject { char *mValues[50][50]; int mLines; int mColumns; public: CMatrix(char *n):CObject(n) {} }; My main function: int main() { pV=new …

I have an abstract class CArticle and two derived classes CBook and CMagazine. I also have a class CLibrary where i want to add articles. Its members are an int variable to count the articles and a double pointer of CArticle. I have the following main function: int main() { …