• Introduction
• Env
  • Methods
  • File System
    • a. GetFilesCount
    • b. GetDirectoriesCount
    • c. GetTotalDriveSpace
    • d. GetDriveAvailableFreeSpace
    • e. GetOccupiedDriveSpace
    • f. CountFileCharacters
    • g. CountFileCharactersAsync
    • h. IsDirectoryHasPermission
  • System Environment
    • a. GetWindowsVersion
    • b. ExecuteAsAdmin
    • c. GetUnixTime
    • d. GetAppDataPath
    • e. GetMouseCursorPosition
    • f. GetMouseCursorPositionWPF
    • g. UnixTimeToDateTime
    • h. IsProcessRunning
    • i. LaunchUWPApp
  • Properties
  • File System
    • a. SystemDrive
    • b. AppDataPath
  • System Environment
    • a. CurrentOperatingSystem
    • b. UnixTime

To use these methods and features, do not forget to put this line of code on top of your code file:

C#

using LeoCorpLibrary;

VB

Imports LeoCorpLibrary

This function is available in version 1.6 and higher.

The GetFilesCount() method allows you to get the number of files in a specified directory. Returns a int value.

Variation 1

Env.GetFilesCount(string directory) {...}

Variation 2

Env.GetFilesCount(string directory, bool includeSubDirectories) {...}

Here's an example of usage:

C#

// Without subdirectories
int fileNumber = Env.GetFilesCount(@"C:\Users");

// With subdirectories
int fileNumberWithSubDirectories = Env.GetFilesCount(@"C:\Users", true);

VB

' Without subdirectories
Dim fileNumber As Integer = Env.GetFilesCount("C:/Users")

' With subdirectories
Dim fileNumberWithSubDirectories As Integer = Env.GetFilesCount("C:/Users", True)

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This function is available in version 1.6 and higher.

The GetDirectoryCount method allow you to get the number of directoires in a specified directory. Returns a int value. It has two variation

Variation 1

Env.GetDirectoriesCount(string directory) {...}

Variation 2

Env.GetDirectoriesCount(string directory, bool includeSubDirectories) {...}

Here's an example of usage:

C#

// Without subdirectories
int directoryNumber = Env.GetDirectoriesCount(@"C:\Users");

// With subdirectories
int directoryNumberWithSubDirectories = Env.GetDirectoriesCount(@"C:\Users", true);

VB

' Without subdirectories
Dim directoryNumber As Integer = Env.GetDirectoriesCount("C:/Users")

' With subdirectories
Dim directoryNumberWithSubDirectories As Integer = Env.GetDirectoriesCount("C:/Users", True)

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This function is available in version 1.6 and higher.

The GetTotalDriveSpace method allow you to get the total space of a specified volume. Returns a double value.

It's in:

LeoCorpLibrary.Env.GetTotalDriveSpace()

It has two arguments:

Here's an example of usage:

C#

double totalSpace = Env.GetTotalDriveSpace(@"C:\", UnitType.Gigabyte);

VB

Dim totalSpace As Double = Env.GetTotalDriveSpace("C:/", UnitType.Gigabyte)

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This function is available in version 1.6 and higher.

The GetDriveAvailableFreeSpace() method allows you to get the available space of specified volume. Returns a double value.

It's in:

LeoCorpLibrary.Env.GetDriveAvailableFreeSpace()

It has two arguments:

Here's an example of usage:

C#

double freeSpace = Env.GetDriveAvailableFreeSpace(@"C:\", UnitType.Gigabyte);

VB

Dim freeSpace As Double = Env.GetDriveAvailableFreeSpace("C:/", UnitType.Gigabyte)

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This function is available in version 1.6 and higher.

The GetOccupiedDriveSpace() allows you to get the occupied drive space of specified volume. Returns a double value.

It's in:

LeoCorpLibrary.Env.GetOccupiedDriveSpace()

It has two arguments:

Here's an example of usage:

C#

double occupiedSpace = GetOccupiedDriveSpace(@"C:\", UnitType.Gigabyte);

VB

Dim occupiedSpace As Double = GetOccupiedDriveSpace("C:/", UnitType.Gigabyte)

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This function is available in version 2.1 and higher.

The CountFileCharacters() method enables you to get the number of characters in a specified file. It returns a int value.

It's in:

LeoCorpLibrary.Env.CountFileCharacters()

It has two arguments:

Here's an example of usage:

C#

string filePath = @"C:\File.txt";
int characters = Env.CountFileCharacters(filePath);

VB

Dim filePath As String = "C:\\File.txt"
Dim characters As Integer = Env.CountFileCharacyers(filePath)

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This function is available in version 2.1 and higher.

The CountFileCharactersAsync() method enables you to count the number of characters in a file, asynchronously. It returns a Task<int> value.

It's in:

LeoCorpLibrary.Env.CountFileCharactersAsync()

It has one argument:

Here's an example of usage:

C#

async void CountCharacters()
{
  string filePath = @"C:\File.txt";
  int count = await Env.CountFileCharactersAsync(filePath);
}

VB

Private Async Sub CountCharacters()
    Dim filePath As String = "C:\\File.txt"
    Dim count As Integer = Await Env.CountFileCharactersAsync(filePath)
End Sub

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This function is available in version 3.7 and higher.

The IsDirectoryHasPermission() method allows you to see if your program has permissions to write files/directories to a specified directory. It returns a bool value.

It's in:

LeoCorpLibrary.Env.IsDirectoryHasPermission()

It has one argument:

Here's an example of usage:

C#

if (Env.IsDirectoryHasPermission("C:/Windows"))
{
    File.Create("C:/Windows/file.txt");
}

VB

If Env.IsDirectoryHasPermission("C:/Windows") Then
    File.Create("C:/Windows/file.txt")
End If

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This function is available in version 1.9 and higher.

The GetWindowsVersion() enables you to get the Windows version that the user is running. Returns a WindowsVersion value.

It's in:

LeoCorpLibrary.Env.GetWindowsVersion()

Warning: This method works only if you specify in the Application Manifest, in the compatibilty section, that Windows 8, 8.1 and 10 are compatible with the software. Else, it will return Windows8.

<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
    <application>
      <!-- Windows Vista -->
      <!--<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />-->

      <!-- Windows 7 -->
      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />

      <!-- Windows 8 -->
      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />

      <!-- Windows 8.1 -->
      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />

      <!-- Windows 10 -->
      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />

    </application>
  </compatibility>

This file is an example. You can create this file by right-clicking on the project, then "Add", "New element", then "Application manifest" and "Add".

Here's an example of usage:

C#

WindowsVersion winver = Env.GetWindowsVersion(); // Obtenir la version
/*
Can return:
WindowsVersion.Windows7
WindowsVersion.Windows8
WindowsVersion.Windows81
WindowsVersion.Windows10
/*

VB

Dim winver As WindowsVersion = Env.GetWindowsVersion() ' Obtenir la version
' Can return:
' WindowsVersion.Windows7
' WindowsVersion.Windows8
' WindowsVersion.Windows81
' WindowsVersion.Windows10

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This function is available in version 1.9 and higher.

The ExecuteAsAdmin() allows you to execute a program in admin mode on Windows.

It's in:

LeoCorpLibrary.Env.ExecuteAsAdmin()

This method has two variation:

Variation 1

Env.ExecuteAsAdmin(Process process) {...}

Variation 2

Env.ExecuteAsAdmin(string filename) {...}

Here's an example of usage:

C#

// Variation 1
Process process = new Process();
process.StartInfo.FileName = @"C:\Windows\System32\cmd.exe";
Env.ExecuteAsAdmin(process);

// Variation 2
Env.ExecuteAsAdmin(@"C:\Windows\System32\cmd.exe");

VB

' Variation 1
Dim process As Process = New Process()
process.StartInfo.FileName = "C:/Windows/System32/cmd.exe"
Env.ExecuteAsAdmin(process)

' Variation 2
Env.ExecuteAsAdmin("C:/Windows/System32/cmd.exe")

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This function is available in version 2.1 and higher.

This method allows you to get the curent UnixTime or the UnixTime of a specific date/time. Returns a int value.

It's in:

LeoCorpLibrary.Env.GetUnixTime()

It has two variation:

Variation 1

The variation does not accept any arguments.

Variation 2

This variation has an argument:

Here's an example of usage:

C#

// Variation 1
int curentUnixTime = Env.GetUnixTime();

// Variation 2
DateTime dateTime = new DateTime(1970, 1, 1);
int unixTime = Env.GetUnixTime(dateTime);

VB

' Variation 1
Dim curentUnixTime As Integer = Env.GetUnixTime()

' Variation 2
Dim dateTime As DateTime = New DateTime(1970, 1, 1)
Dim unixTime As Integer = Env.GetUnixTime(dateTime)

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This function is available in version 2.2 and higher.

This method allows you to get the user's %APPDATA% path. Returns a string value.

It's in:

LeoCorpLibrary.Env.GetAppDataPath()

It has no arguments.

Here's an example of usage:

C#

string appDataPath = Env.GetAppDataPath();

VB

dim appDataPath As String = Env.GetAppDataPath()

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This function is available in version 3.4 and higher.

This method allows you to get the current position of the mouse cursor on the screen. It returns a Point value (System.Drawing).

It's in:

LeoCorpLibrary.Env.GetMouseCursorPosition()

It has no arguments.

Note: This method is using Windows Forms features, so use this method in Windows Forms projects only. If your project is using WPF, check GetMouseCursorPositionWPF().

Here's an example of usage:

C#

Point p = Env.GetMouseCursorPosition();
MessageBox.Show($"Mouse position: X = {p.X}; Y = {p.Y}");

VB

Dim p As Point = Env.GetMouseCursorPosition()
MessageBox.Show("Mouse position: X = " + p.X.ToString() + "; Y = " + p.Y.ToString())

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This function is available in version 3.4 and higher.

This method allows you to get the current position of the mouse cursor on the screen. It returns a Point value (System.Windows).

It's in:

LeoCorpLibrary.Env.GetMouseCursorPositionWPF()

It has no arguments.

Here's an example of usage:

C#

Point p = Env.GetMouseCursorPosition();
MessageBox.Show($"Mouse position: X = {p.X}; Y = {p.Y}");

VB

Dim p As Point = Env.GetMouseCursorPosition()
MessageBox.Show("Mouse position: X = " + p.X.ToString() + "; Y = " + p.Y.ToString())

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This function is available in version 3.4 and higher.

This method allows you to convert UnixTime (int) to a DateTime object. Returns a DateTime value.

It's in:

LeoCorpLibrary.Env.UnixTimeToDateTime()

It has one argument:

Here's an example of usage:

C#

int unixTime = 1615538407;
DateTime date = Env.UnixTimeToDateTime(unixTime); // 12/03/2021 @ 09:40:07

VB

Dim unixTime As Integer = 1615538407
Dim date As DateTime = Env.UnixTimeToDateTime(unixTime) ' 12/03/2021 @ 09:40:07

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This function is available in version 3.4 and higher.

This method allows you to check if a specific process is currently running. Returns a bool value.

It's in:

LeoCorpLibrary.Env.IsProcessRunning()

It has one argument:

Here's an example of usage:

C#

if (IsProcessRunning("cmd.exe"))
{
    MessageBox.Show("You have a command prompt running.")
}

VB

If IsProcessRunning("cmd.exe") Then
    MessageBox.Show("You have a command prompt running.")
End If

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This function is available in version 3.9 and higher.

This method allows you to launch an UWP app from its PackageFamilyName and its Application Id. You can find these informations by running in Windows Powershell (admin) the following command:

Get-AppxPackage | Select PackageFamilyName, InstallLocation

You can find the Application Id in the AppxManifest.xml file in

InstallLocation\AppxManifest.xml

This method isn't available in LeoCorpLibrary.Core.

It's in:

LeoCorpLibrary.Env.LaunchUWPApp()

It has two arguments:

Here's an example of usage:

C#

// Launch Minecraft UWP
Env.LaunchUWPApp("Microsoft.MinecraftUWP_8wekyb3d8bbwe", "App"); // Launch

VB

' Launch Minecraft UWP
Env.LaunchUWPApp("Microsoft.MinecraftUWP_8wekyb3d8bbwe", "App") ' Launch

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This property is available in version 3.1 and higher.

The SystemDrive property allows you to get the DriveInfo of the system drive.

Warning: This property only works on Windows!

It's in:

LeoCorpLibrary.Env.SystemDrive

Here's an example of usage:

C#

DriveInfo sysDrive = Env.SystemDrive; // Get system drive

VB

Dim sysDrive As DriveInfo = Env.SystemDrive ' Get system drive

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This property is available in version 3.1 and higher.

The AppDataPath property allows you to get the %APPDATA% directory path.

It's in:

LeoCorpLibrary.Env.AppDataPath

Here's an example of usage:

C#

string appDataPath = Env.AppDataPath; // Get %APPDATA%

VB

Dim appDataPath As String = Env.AppDataPath ' Get %APPDATA%

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This property is available in version 3.1 and higher.

The CurrentOperatingSystem property allows you to get the current Operating system. It returns a OperatingSystems enum:

• Windows
• macOS
• Linux
• Unknown

It's in:

LeoCorpLibrary.Env.CurrentOperatingSystem

Here's an example of usage:

C#

Console.WriteLine($"The current OS is {Env.CurrentOperatingSystem.ToString()}");

VB

Console.WriteLine("The current OS is" + Env.CurrentOperatingSystem.ToString())

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This property is available in version 3.1 and higher.

The UnixTime property allows you to get the current Unix time.

It's in:

LeoCorpLibrary.Env.UnixTime

Here's an example of usage:

C#

while (true)
{
    Console.WriteLine(Env.UnixTime.ToString());
    Thread.Sleep(1000);
}

VB

While True
    Console.WriteLine(Env.UnixTime.ToString())
    Thread.Sleep(1000)
End While

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