C# Code Bank

/*
    SHsuperCM's C# Code Bank

    This file contains some code for the C# language that
    anyone can use and not credit, and is organized using
    a seperate C# program which is private.
*/

$utility start
$$name start
M - Async Key Down/Press
$$name end
$$information start
These 2 Methods will tell you if a key is being held or being pressed.

GetAsyncKeyDown(Keys key) returns a boolean stating
if "key" is down.
GetAsyncKeyPress(Keys key) returns a boolean stating
if "key" is down and was not down before.
$$information end
$$code start
[DllImport("user32.dll")]
private static extern short GetAsyncKeyState(int vKey);
private static bool GetAsyncKeyDown(Keys key) { return GetAsyncKeyState((int)key) != 0; }
private static List<Keys> prevKeysDown = new List<Keys>();
private static bool GetAsyncKeyPress(Keys key)
{
    bool returning = true;
    foreach (Keys prevKey in prevKeysDown){
        if (key == prevKey) returning = false;
    }
    if (GetAsyncKeyDown(key) && returning == true) prevKeysDown.Add(key);
    if (!GetAsyncKeyDown(key)) returning = false;
    for (int i = 0; i < prevKeysDown.Count(); i++){
        if (!GetAsyncKeyDown(prevKeysDown[i])) prevKeysDown.RemoveAt(i);
    }
    return returning;
}
$$code end
$utility end

$utility start
$$name start
M - Stream from String
$$name end
$$information start
Can be used to read a string line by line using a StreamReader.ReadLine().

StreamFromString(string strIN) returning
a Stream from "strIN".
$$information end
$$code start
public static Stream StreamFromString(string strIN)
{
    MemoryStream stream = new MemoryStream();
    StreamWriter writer = new StreamWriter(stream);
    writer.Write(strIN);
    writer.Flush();
    stream.Position = 0;
    return stream;
}
$$code end
$utility end

$utility start
$$name start
M - Stream from URL
$$name end
$$information start
Creates a Stream from "urlIN"'s source code, also reads raw pastebins posts.

StreamFromURL(string urlIN) returning
a Stream from "urlIN"'s URL.
$$information end
$$code start
public static Stream StreamFromURL(string urlIN)
{
    return (new WebClient()).OpenRead(urlIN);
}
$$code end
$utility end

$utility start
$$name start
M - Get Cut Part
$$name end
$$information start
Get the string between 2 strings inside a big string.


string GetCutPart(string inputIN, string startIN, string endIN, bool keepStartAndEndIN) returning
a string that is inside "inputIN" and between "startIN" and "endIN",
if "keepStartAndEndIN" is true, it will keep "startIN" and "endIN" on the returned value.
$$information end
$$code start
public static string GetCutPart(string inputIN, string startIN, string endIN, bool keepStartAndEndIN)
{
    string returning = "";
    string read = "";
    bool collecting = false;

    foreach (char chr in inputIN)
        if (collecting)
        {
            returning += chr;
            if (returning.EndsWith(endIN))
            {
                return (keepStartAndEndIN ? (startIN + returning) : returning.Replace(endIN, ""));
            }
        }
        else
        {
            read += chr;
            if (read.EndsWith(startIN))
                collecting = true;
        }
    return null;
}
$$code end
$utility end

$utility start
$$name start
L - Open URL in browser
$$name end
$$information start
Open URL inside the default browser.
(chrome/internetexplorer/firefox...)
$$information end
$$code start
Process.Start(string URL);
$$code end
$utility end

$utility start
$$name start
L - Set the ClipBoard text
$$name end
$$information start
Set the text that will be in ctrl-v.
$$information end
$$code start
Clipboard.SetText(string Text);
$$code end
$utility end

$utility start
$$name start
M - StreamReader From File Path
$$name end
$$information start
Gets a StreamReader from the contents of the file in "pathIN".


StreamReaderFromFile(string pathIN) returns
StreamReader generated from the contents of the file in "pathIN",
will return null if either the file does not exist or there was a problem reading it.
$$information end
$$code start
public static StreamReader StreamReaderFromFile(string pathIN)
{
    if (File.Exists(pathIN))
        try
        {
            return new StreamReader(pathIN);
        }
        catch { return null; }
    else
        return null;
}
$$code end
$utility end

$utility start
$$name start
M - Search in list of strings
$$name end
$$information start
Searching in a list of strings.

List<string> Search(List<string> input, string compared)
returns a list of strings from input that contain the compared strings.
$$information end
$$code start
public static List<string> Search(List<string> input, string compared)
{
    List<string> result = new List<string>();
    foreach (string item in input)
        if (item.Contains(compared))
            result.Add(item);
    return result;
}
$$code end
$utility end

$utility start
$$name start
M - Is Form Active
$$name end
$$information start
Determines if the form of which the method is located at is active.
Active forms are the ones windows focuses on when choosing where user input will go.
$$information end
$$code start
public bool IsActive() {
    return System.Windows.Forms.Form.ActiveForm == this;
}
$$code end
$utility end