+- Discovery Gaming Community (https://discoverygc.com/forums)
+-- Forum: The Community (https://discoverygc.com/forums/forumdisplay.php?fid=4)
+--- Forum: Real Life Discussion (https://discoverygc.com/forums/forumdisplay.php?fid=16)
+--- Thread: A lil C# help (/showthread.php?tid=98000)
RE: A lil C# help - Huhuh - 05-02-2013
(05-02-2013, 01:56 PM)utrack Wrote: -snip-
Thanks, that really helped.
After a quick play, I've got my player sprite moving across the screen by itself. I'll simply have to write the appropriate methods for controlling it.
RE: A lil C# help - Huhuh - 05-06-2013
Hey guys, another question:
How to do read and write to a text file from resource?
I have already created and populated the text file, and I have added it to my program. I'm just having trouble figuring out how to access it.
edit:
Code:
/// <summary>
/// Loads the high scores from a resource file
/// </summary>
public void LoadScores()
{
StreamReader reader = new StreamReader(Assembly.GetExecutingAssembly().GetManifestResourceStream(SpaceInvaders.Properties.Resources.hiscores));
string line;
string[] fileArray;
while (!reader.EndOfStream)
{
line = reader.ReadLine();
fileArray = line.Split(','); // splits the information from the csv file by commas
string name = fileArray[0];
int score = int.Parse(fileArray[1]);
Score s = new Score(name, score);
scoresList.Add(s);
listBoxScores.Items.Add(s.GetScore());
Debug.WriteLine(s.GetScore());
}//while
reader.Close();
}This is my code as it is, I'm being thrown this error in the output window:
A first chance exception of type 'System.ArgumentNullException' occurred in mscorlib.dll
My thinking is the file not being read in correctly.
RE: A lil C# help - Huhuh - 05-15-2013
Hey guys, new issue:
Where do I find the keydown/press/up for the arrow keys? Do I need some sort of listener or can I just have an event on my form that triggers when an arrow key is pressed?
RE: A lil C# help - Stuffz - 05-15-2013
Google helps a lot.
http://msdn.microsoft.com/en-us/library/ms171538.aspx
RE: A lil C# help - Huhuh - 05-16-2013
(05-15-2013, 11:39 AM)Stuffz Wrote: Google helps a lot.
http://msdn.microsoft.com/en-us/library/ms171538.aspx
Does not show how to use arrow keys.
RE: A lil C# help - Stuffz - 05-16-2013
Another 5 seconds google..
http://www.dreamincode.net/forums/topic/25523-using-ekeychar-for-enter-and-arrow-keys/
If e.KeyCode = Keys.Up Then
MessageBox.Show("It worked")
You'll have to use KeyDown for arrow keys tho
RE: A lil C# help - Huhuh - 05-16-2013
(05-16-2013, 01:38 PM)Stuffz Wrote: Another 5 seconds google..
http://www.dreamincode.net/forums/topic/25523-using-ekeychar-for-enter-and-arrow-keys/
If e.KeyCode = Keys.Up Then
MessageBox.Show("It worked")
You'll have to use KeyDown for arrow keys tho
That is VB, and it appears that the syntax is different.
RE: A lil C# help - Ichiru - 05-16-2013
Try this Crackpunch
In Form1() or whatever your constructor is called
this.KeyDown += HandleKeyDown;
void HandleKeyDown (object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Up) {
//do stuff here
}
}
Also for your high scores use a file instead of a resource, you can't write to a resource. Also make sure that scoresList has been set somewhere. So in Form1() Or Form1_Load etc. make sure there is a line that says scoresList = new List<string>();
Add me on skype at crazy.ichiru if you want any more help. I've got enough experience
RE: A lil C# help - Huhuh - 05-16-2013
I fixed the high scores file a while ago.
The key presses still aren't working. I'm thinking it might have something to do with my listbox on the form, as I can see it selecting things while I'm actually trying to steer my space ship.
I'll skype ya later, off to bed now.
RE: A lil C# help - Stuffz - 05-16-2013
Alright. So I opened VS myself and coded a bit.
This works for me:
Code:
void Form1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Left)
{
MessageBox.Show("Form.KeyPress: '" +
e.KeyCode.ToString() + "' pressed.");
}
}And this in the constructor of the form:
Code:
this.KeyPreview = true;
this.KeyDown+=
new KeyEventHandler(Form1_KeyDown);