A Simple Windows Forms Application - Using With Loader

In this article, we will learn how the Loader works in between two Forms of a simple Windows Application.

Loader

Loader is an operating system that is used for loading Programs and Libraries. It is one of the essential stages in the process of starting a program.

Step 1

Click New >> Project >> Visual C# >> Windows >> Windows Forms Application. Enter your Project name and click OK.

Step 2

Click the View->Select Toolbox. We are using this Toolbox to design the Form in Windows application.

 

Step 3

In Toolbox, we have to add Picture Box and click the Picture Box tasks to choose the image.


 

Step 4

Click the Local Resources to import the Loader.gif file and click OK.

 

Step 5

Click the Size Mode Tab and change to CenterImage.

 

Step 6

Click the Properties menu of Picture Box. Toggle Visible option as False.

 

Step 7

Click the Toolbox and Add >> Background Worker.

 

Step 8

Click the Background Worker properties and add the backgroundWorker1_DoWork, backgroundWorker1_RunWorker to be completed for the event to make the function more accurate.

Where,

Header File

using System.Threading;

C# CODE 

private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) {
    if (LoginUserNameTB.Text == "admin" && LoginPasswordTB.Text == "admin") {
        Thread.Sleep(1000);
        isloginSuccess = true;
    } else {
        isloginSuccess = false;
    }
}
private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) {
    if (isloginSuccess) {
        MessageBox.Show("Login Succesfuly");
        this.Close();
    } else {
        MessageBox.Show("Check uname & Password");
        pcloader.Visible = false;
    }
}
Step 9
Click the BUTTON Properties to add the
function
for button1_Click.
public bool isloginSuccess = false;
private void button1_Click(object sender, EventArgs e) {
    pcloader.Visible = true;
    pcloader.Dock = DockStyle.Fill;
    backgroundWorker1.RunWorkerAsync();
}

Step 10

Add new form and save it.



Click View->Select Toolbox. We are using the Toolbox to design the Form in Window Application.

 

Step 11

Click the Register(Form2) Properties and add the Register_Load function.

C# CODE 

Form1 Objlogin;
private void Register_Load(object sender, EventArgs e) {
    Objlogin = new Form1();
    Objlogin.ShowDialog();
    if (Objlogin.isloginSuccess == true) {} else {
        this.Close();
    }
}

Step 12

Press F5 or "Build and Run" the application to get the Loader running.

Result Loader is running.