✅ Text box color changing

FloW · 2023-11-24T12:51:45.024Z

how to change color for every text box which contain text "Red" ?

Unknown User•7mo ago

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FloW•7mo ago

there is many text box (300), after user press "generate" all text box values changing I want to make textbox with the bigest value red

WEIRD FLEX•7mo ago

we're asking for the type name of the textbox

Unknown User•7mo ago

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FloW•7mo ago

Winform

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FloW•7mo ago

Yes

Unknown User•7mo ago

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FloW•7mo ago

https://learn.microsoft.com/ru-ru/dotnet/api/system.windows.forms.textbox?view=windowsdesktop-8.0

TextBox Класс (System.Windows.Forms)

Предоставляет элемент управления "текстовое поле" Windows.

FloW•7mo ago

BackColor?

Unknown User•7mo ago

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FloW•7mo ago

I think yes Ehh....

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FloW•7mo ago

I mean , how to change bg for every textbox which contain "red"

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FloW•7mo ago

I know but maybe my teacher didn't hear about this

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FloW•7mo ago

.

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DeepInside•7mo ago

foreach (Control control in this.Controls) { if (control is TextBox textBox && textBox.Text.Contains("Red")) { textBox.ForeColor = Color.Red; } }

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DeepInside•7mo ago

Do you mean something like this?

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DeepInside•7mo ago

Oops, sorry

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WEIRD FLEX•7mo ago

it would be too wild

FloW•7mo ago

±

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DeepInside•7mo ago

I understand

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FloW•7mo ago

int[,] arr = new int[15, 20];
        private void button1_Click(object sender, EventArgs e)
        {
            Random randomGenerator = new Random();
            for (int i = 0; i<15; i++)
            {
                for (int j = 0; j<20; j++)
                {
                    int TextNum = randomGenerator.Next((int)numericUpDown1.Value, (int)numericUpDown2.Value);
                    arr[i, j] = TextNum;
                    TextBox textBox = new TextBox()
                    {
                        Text = TextNum.ToString(),
                        Location = new Point(40 + 105 * i, 40 + 30 * j),
                        Width = 100,
                        Height = 25,
                    };

                    Controls.Add(textBox);
                }
            }
            
            for (int i=0; i<15; i++)
            {
                for (int j = 0; j < 20; j++)
                {
                    Console.WriteLine(arr[i, j]);
                }
            }
        }

int[,] arr = new int[15, 20];
        private void button1_Click(object sender, EventArgs e)
        {
            Random randomGenerator = new Random();
            for (int i = 0; i<15; i++)
            {
                for (int j = 0; j<20; j++)
                {
                    int TextNum = randomGenerator.Next((int)numericUpDown1.Value, (int)numericUpDown2.Value);
                    arr[i, j] = TextNum;
                    TextBox textBox = new TextBox()
                    {
                        Text = TextNum.ToString(),
                        Location = new Point(40 + 105 * i, 40 + 30 * j),
                        Width = 100,
                        Height = 25,
                    };

                    Controls.Add(textBox);
                }
            }
            
            for (int i=0; i<15; i++)
            {
                for (int j = 0; j < 20; j++)
                {
                    Console.WriteLine(arr[i, j]);
                }
            }
        }

Unknown User•7mo ago

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FloW•7mo ago

No , because it's contain some value For example red Just example

DeepInside•7mo ago

You may use .HasChildren property

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DeepInside•7mo ago

What's wrong with recursion?

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FloW•7mo ago

All task sounds like Find the largest number for num%8==0 and make textbox which contains it Red

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FloW•7mo ago

But how can I know that later won't be generated textbox which contain larger number?

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DeepInside•7mo ago

Every time you make me textbox, add it to list Then you can just loop through list

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DeepInside•7mo ago

Yes

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FloW•7mo ago

Hm I can use value like id To find textbox and change color

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FloW•7mo ago

Good luck Thank you all

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✅ Text box color changing