What is the complete code for to draw a simple rectangle on the screen ? ... I am a starting to learn C# ...

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What should i write to inicialize a program to draw shapes and lines on the screen ?

I have tried some code, but it fails. Not working ...

(for while, i just can code to make simple things as console input and output/Console.ReadLine, Console.WriteLine ...)

Thank you/Regards
Carlos

What I have tried:

C#

public void DrawRectangleRectangle(PaintEventArgs e)
{

    // Create pen.
    Pen blackPen = new Pen(Color.Black, 3);

    // Create rectangle.
    Rectangle rect = new Rectangle(0, 0, 200, 200);

    // Draw rectangle to screen.
    e.Graphics.DrawRectangle(blackPen, rect);
}

Posted 14-Dec-17 1:28am

Member 13576087

Updated 14-Dec-17 1:41am

CPallini

v2

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CPallini · Answer 1 · 2017-12-14T01:40:00

Solution 1

Such code works, actually.
Create an empty Windows Form project, add the on paint event handler and modify it this way:

C#

private void Form1_Paint(object sender, PaintEventArgs e)
{
  DrawRectangleRectangle(e);
}

Posted 14-Dec-17 1:40am

CPallini