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ภR 5 6 7 A 7 1.2.11 ; ภ: ภIA F F A ภ> IF : D:\Myfirst\Myfirst.sln A 7 8 1 ď&#x201A;&#x17D; ภ8 1 ď&#x201A;? : X\

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A 7 1.3.2

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23*#4 1.4 B0 + ภภ3 Microsoft Visual C# 2008 1. ภ4 5 Hภ2a B0 + @A >ภMyFirst 3A ภForm1.cs ;5 5 6 7 Solution Explorer A 7 1.4.1

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: A ภX\ Close ภR 5 6 7 G ; 1 85 ภA 7 1.4.4 8 1 ď&#x201A;&#x152; 2 2 G 7 Close(); 7I 84?7 ; ภG 7 5 : @A Form1 5 5 7 7 ภ>536 G 7 Close(); 8 6 8;5 > A : button1_Click 5 5 84?7 : ภA Xภ_ ภX\ : button1 ; G ภ@A Form1 7 7ภG 7 51 7 C# 4 ภภG 5AA 38 namespace 8; namespace ภA 38 class 8; class

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: 7 > 3ภ> G ภ5 ภA 38ภภA X\ <F5> : : ภ5 Debug --> Start Debugging A 7 1.4.5 8 1 ď&#x201A;&#x152; : : ภIcon IA < ภ5 ŕ¸

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ภÂ&#x2026; 5 6 7 Options A 7 1.4.7 ; : ภG : 7 84 ภ;5ภ6 7 8 5 Show all settings A 5 6 7 81 7 5 6 7 Options A 7 8 1 ď&#x201A;&#x152;

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4. ภ4 3?,4- 6' 33$ #0 ภb 3,=, 4$>4)ภ4 5? H, * : ภ5 Tools A 7 1.4.9 8 1 ď&#x201A;&#x152; 3 : ภOptionsv A 7 8 1 ď&#x201A;? ď&#x201A;&#x152;

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23*#4 1.5 4 ภ*0, 6ภ,5%0' 1. Form 2 > 2 2 G `A 75 C - Name : : 1 7F ภC7 : ; 5 36 Form1 A 7 1.5.1 8 1 ď&#x201A;&#x152; - BackColor : 1 72:C5F A 7 1.5.1 8 1 ď&#x201A;?

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2. Button 2 > 2 2 G `A 75 C - Name : : 1 7 Button ภC7 : ; 5 36 button1 A 7 1.5.2

8 1 ď&#x201A;&#x152; - BackColor : 1 72:C5 X\ A 7 1.5.2 8 1 ď&#x201A;?

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3. CheckBox 2 > 2 2 G `A 75 C - Name : : 1 7 CheckBox ภC7 : ; 5 36 checkBox1 A 7 1.5.3 8 1 ď&#x201A;&#x152; - BackColor : 2:C5 71 7 CheckBox A 7 1.5.3 8 1 ď&#x201A;?

- Font : 5 A 15 A1 7 3 ภ1 7 CheckBox A 7 1.5.3 8 1 ď&#x201A;&#x17D; - ForeColor : 1 7 3 ภCheckBox A 7 1.5.3 8 1 ď&#x201A;?

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ภภ1 ภภMicrosoft Visula C# 2008

4. CheckedListBox 2 > 2 2 G `A 75 C - Name : : 1 7 CheckedListBox ภC7 : ; 5 36 checkedListBox1 A 7

1.5.4 8 1 ď&#x201A;&#x152; - BackColor : 2:C5 71 7 CheckedListBox A 7 1.5.4 8 1 ď&#x201A;?

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5. ComboBox 2 > 2 2 G `A 75 C - Name : : 1 7 ComboBox ภC7 : ; 5 36 comboBox1 A 7 1.5.5 8 1 ď&#x201A;&#x152; - BackColor : 2:C5 71 7 ComboBox A 7 1.5.5 8 1 ď&#x201A;?

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ภภ1 ภภMicrosoft Visula C# 2008

6. Label 2 > 2 2 G `A 75 C - Name : : 1 7 Label ภC7 : ; 5 36 label1 A 7 1.5.6

8 1 ď&#x201A;&#x152; - BackColor : 2:C5 71 7 Label A 7 1.5.6 8 1 ď&#x201A;?

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ภภ1 ภภMicrosoft Visula C# 2008

7. LinkLabel 2 > 2 2 G `A 75 C - Name : : 1 7 LinkLabel ภC7 : ; 5 36 linkLabel1 A 7 1.5.7 8 1 ď&#x201A;&#x152; - ActiveLinkColor : 1 7 3 ภ5 LinkLabel : ภA 7 1.5.7 8 1 ď&#x201A;?

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8. ListBox 2 > 2 2 G `A 75 C - Name : : 1 7 ListBox ภC7 : ; 5 36 listBox1 A 7 1.5.8 8 1 ď&#x201A;&#x152; - Items : 8ภ1 3 ; 6;5 ListBox A 7 1.5.8 8 1 ď&#x201A;?

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ภภ1 ภภMicrosoft Visula C# 2008

9. ListView 2 > 2 2 G `A 75 C - Name : : 1 7 ListView ภC7 : ; 5 36 listView1 A 7 1.5.9 8 1 ď&#x201A;&#x152; - Groups : ภAภX6 31 A 7 1.5.9 8 1 ď&#x201A;?

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10. MaskedTextBox 2 > 2 2 G `A 75 C - Name : : 1 7 MaskedTextBox ภC7 : ; 5 36 maskedTextBox1 A 7

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11. MonthCalendar 2 > 2 2 G `A 75 C - Name : : 1 7 MonthCalendar ภC7 : ; 5 36 monthCalendar1 A 7 1.5.11 8 1 ď&#x201A;&#x152; - FirstDayOfWeek : ภภG 5A3 5 51 7 A default N53 5 5 A 7 1.5.11 8 1 ď&#x201A;?

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12. NumericUpDown 2 > 2 2 G `A 75 C - Name : : 1 7 NumericUpDown ภC7 : ; 5 36 numericUpDown1 A 7

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17. TextBox 2 > 2 2 G `A 75 C - Name : : 1 7 TextBox ภC7 : ; 5 36 textBox1 A 7 1.5.17 8 1 ď&#x201A;&#x152; - Text : ภภG 5A1 3 5 TextBox A 7 1.5.17 8 1 ď&#x201A;?

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> A ; A 75 C 5 M0Math.Pow(D 5, 1 CภG 7) Math.Sqrt( 3 1)

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6 N5 A 85) 6 sine Math.Cos( X

6 N5 A 85) 6 cosine Math.Tan( X

6 N5 A 85) 6 tangent Math.BigMul( G 535 > 3 1, 6 < _1 7 3 1 2 3 G 535 > 3 2) Math.Ceiling( 3 1 95 8 ) 6 G 535 > 4 ภ}A 1?C5 ภภ95 8

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6 G 535 > 4 ภ}A 7 Math.Floor(10.99) IA < 2s : ภภ95 8

10 }A 7 C7 A A8I 6 5; 95 8

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5 M0Math.Truncate( 3 1

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: 10 65 A 83ภMath.Floor(10.99) }A 95 8 C7 I : 6 G 535 >

Math.Round( 3 1 95 8 ) 6 G 535 > A8 }A Math.Round(10.4) < 2s : 10 1?C5 : 6 >0.5 64 1 Math.Round(10.7) < 2s : 10 N5 XA 95 8

6 0.5 2 A Math.Round(10.5) < 2s : 10 1?C5ภ3 1 G 535 > Math.Round(11.3) < 2s : 11 36 N5 1 6 : 1 ภMath.Round(11.5) < 2s : 12 N5 1 6 }A .5 C7I 6 Math.Round(11.6) < 2s : 12 4 N5 1 }A .5 1?C5 Math.Round( 3 1 95 8 , 6 G 535 95 8

Math.Round(23.1243565, 2) IA G 535 G 567 95 8

G 567 95 8

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5  ภ1 7 : 7 LongDate DateTime.Now.ToShortTimeString() N5ภ3 } X 5

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MessageBox.Show("Ă&#x160;Ă&#x2021;Ă&#x2018;Ă&#x160;´Ă&#x2022;¤Ă&#x2DC;Âł " + textBox1.Text); namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { }

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private void button1_Click(object sender, EventArgs e) { }

2 2 G 7 5

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13. ; ภI1 ภA8 ภ9 3 85 ภint N5 double A 75 C double width,length,area; width = double.Parse(textBox1.Text); length = double.Parse(textBox2.Text);

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3.2 A ภX\ botton2 1 85 ภA 75 C textBox1.Clear();

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namespace work26 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox2.ReadOnly = true; } private void button1_Click(object sender, EventArgs e) { double radius = 0, area = 0; radius = double.Parse(textBox1.Text); area = Math.PI * radius * radius; textBox2.Text = area.ToString("#,###.##"); }

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private void button2_Click_1(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click_1(object sender, EventArgs e) { this.Close(); } } }

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namespace work27 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox2.ReadOnly = true; } private void button1_Click_1(object sender, EventArgs e) { double result = 0; result = Math.Abs(double.Parse(textBox1.Text)); textBox2.Text = result.ToString(); } private void button2_Click_1(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click_1(object sender, EventArgs e) { this.Close(); } } }

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namespace work272 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox2.ReadOnly = true; }

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namespace work273 { public partial class Form1 : Form { public Form1() { InitializeComponent(); textBox3.ReadOnly = true; } private void button1_Click(object sender, EventArgs e) { double result = 0; result = Math.Pow(double.Parse(textBox1.Text), (double.Parse(textBox2.Text))); textBox3.Text = result.ToString("#,###.##"); } private void button2_Click(object sender, EventArgs e) { textBox1.Clear(); textBox2.Clear(); } private void button3_Click(object sender, EventArgs e) { this.Close(); } } }

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label3

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private void button1_Click(object sender, EventArgs e)

// ŕ¸

{

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// score ภtextBox1.text

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}

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# +Gภ/! ภภ$T form.cs . T ! Activity4\Teacher\Media\Example2\Solution\Example2.sln private void button1_Click(object sender, EventArgs e) { timer1.Enabled = true;

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} private void timer1_Tick(object sender, EventArgs e) {

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4.3 ภ! ภ! +Gภ/! ภภ$T form.cs . T ! Activity4\Teacher\Media\Example3\Solution\Example3.sln ( ภ5 '

private void button1_Click(object sender, EventArgs e) {

// ŕ¸

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} else { textBox3.Text="

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} } private void button2_Click(object sender, EventArgs e) { textBox3.Text = ""; textBox1.Text = ""; }

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} } private void button3_Click(object sender, EventArgs e) { textBox1.Text = ""; textBox2.Text = ""; textBox3.Text = ""; } } }

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ภ+ ,%

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}

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x[2]

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// ภ< 0 + + % % 10

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// ! %

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// % )+ ŕ¸

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//

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// 0 +

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} private void button1_Click(object sender, EventArgs e) //

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a = num[y]; // % num[y] = num[x]; num[x] = a;

ŕ¸

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! 5 -% 0 +

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+ 1)

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aa aa aa aa

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ภ{

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num[i] = rndObj.Next(4) + 1; // 0-3-,!ภnum[i] st = st + num[i].ToString(); switch (i+1) { case 1: aa = pictureBox2; break; case 2: aa = pictureBox3; break; case 3: aa = pictureBox4; break; case 4: aa = pictureBox5; break; } switch (num[i]) { case 4: aa.ImageLocation = "4.jpg"; break; case 3: aa.ImageLocation = "3.jpg"; break; case 2: aa.ImageLocation = "2.jpg"; break; case 1: aa.ImageLocation = "1.jpg"; break; } } button2.Enabled = false; button1.Enabled = true; label1.Text = st; } private void Form1_Load(object sender, EventArgs e) { num = new int[4];

//ภ+ ,% -,! num

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} } }

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# . / while loop $!/! " H private void btnCount_Click(object sender, EventArgs e) { int n=0,i = 1; String txt = "", sum = ""; while(i<30) { txt += i.ToString() + "\r\n";

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1 sum

int sum=0;

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int count = 1;

Random rnd = new Random(); rndNum = rnd.Next(10); inputBox f2 = new inputBox(); string SN = f2.ShowInputBox(" * ' % int Num = int.Parse(SN); label2.Text = " CJ * ' %$

");

0-9

" + count + "

H"";

//

ภ% /

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{ InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { Close();

// + ภภ; ŕ¸

} private void button1_Click(object sender, EventArgs e) { int count = 1; Random rand = new Random(); randNum = rand.Next(10); inputBox f2 = new inputBox(); string SN = f2.ShowInputBox(" * ' % int Num = int.Parse(SN);

0-9

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9.2 !

ภButton1 /' % * " ! " H private void button1_Click(object sender, EventArgs e) { int x1, x2, y1, y2; Random rndObj = new Random(); // + ! *ภ31 rndObj if (checkBox1.Checked) {

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// 4.ภ-1! *ภ3 rndObj

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else { do {

x1 y1 x2 y2 // + doâ&#x20AC;Śwhile

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rndObj

= = = =

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} while (((x1 - x2) < 50) && ((y1 - y2) < 50) || ((x2 - x1) < 50) && ((y2 - y1) < 50)); } pictureBox1.Left = x1; pictureBox1.Top = y1; pictureBox2.Left = x2; pictureBox2.Top = y2; }

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J 2 Label1 Text

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ภButton1 /' % * " ! " H private void button1_Click(object sender, EventArgs e) { int num = Convert.ToInt16(textBox1.Text); //%+ for {

! 5 ภtextbox1 ' ภ* -% num (int i = 1; i <= 12; i++) // + %6/+ + % % 12 7 ภ5# listBox1.Items.Add(num +" x "+ i +" = "+ num*i);

//%+

! 5 ภ5#' -%

listbox1

} }

1.3 !

ภButton2 /' % * " ! " H private void button2_Click(object sender, EventArgs e) { // !

! 5 ) / , )4 listbox1 // ! ! 5 ) / , )4 textbox1 //ภ+ ,% -,! cursor ' )4

listBox1.Items.Clear(); textBox1.Text = ""; textBox1.Focus();

textbox1

}

2. ," 3 ภE 3 8

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1 Form1 Text 1 to N 2 Label1 Text

) / 3 Label2 Text

) H C! 4 Label3 Text 0 &I 5 Textbox1 Text alignment Right Enable False 6 Textbox2 Text alignment Right 7 Textbox3 Text alignment Right Enable false 8 Button1 Text

'J 9 Button2 Text / "%/ 50 83 ( ภE #2.2 !

ภButton1 /' % * " ! " H private void button1_Click(object sender, EventArgs e) {

7 ภ* $ int num = Convert.ToInt16(textBox2.Text); //%+ ! 5 ภtextbox2 '

ภ* -% num for (int i = 1; i <= num; i++) // + %6/+ + % % ภ1 num 7 ภ5# int sum =

1;

// ภ< 1 sum

{ sum = sum * i;

// ภ* $

ภ5#ภ%' !-% 1 sum

} textBox3.Text = Convert.ToString(sum); // $

$ -%

textbox3 }

2.3 !

ภButton2 /' % * " ! " H private void button2_Click(object sender, EventArgs e) { textBox2.Text = ""; textBox3.Text = "";

// !

! 5 ) / , )4 textbox2 // ! ! 5 ) / , )4 textbox3

}

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1 Form1 Text * 2 Label1 Text * 3 Label2 Text ภภ' % / "ภ4 Groupbox1 Text ภ!"0 5 Radiobutton1 Text / *$ ภChecked True 6 Radiobutton2 Text ภ$ / * 7 Textbox1 Text alignment Right 8 Textbox2 Multiline True Scrollbar Vertical 9 Button1 Text ภ" 10 Button2 Text / "%/

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ภButton1 /' % * " ! " H private void button1_Click(object sender, EventArgs e) { int num = Convert.ToInt16(textBox1.Text); //%+

! 5 ภtextbox1 ' ภ* -% num // %' ภภ$ %! .' ŕ¸

if (radioButton1.Checked) { // + for 1. for 2. for

6! %ภ% 1 /% 7 -,! 4ภ)+ % %4/ 1 /%% ภ4' ! 7 % + % % ) 1 % ภภ10 10 ) 1 /%-% 4' ! 7 % + % % )4 ! ภ-% ) for (int i = {

1;

i <= num; i++)

for (int j = {

1;

j <= i; j++)

textBox2.Text = textBox2.Text + " " + j; } textBox2.Text = textBox2.Text + "\r\n"; } } // %'

Else {

ภภ$ ภ' %! .

1; i--) // ! ภ$ ภภ' %! . -1! % % for (int i = num; i >=

{ for (int j = {

1;

j <= i; j++)

textBox2.Text = textBox2.Text + " " + j; } textBox2.Text = textBox2.Text + "\r\n"; } } }

3.3 !

ภButton2 /' % * " ! " H private void button2_Click(object sender, EventArgs e) { textBox1.Text = ""; textBox2.Text = ""; textBox1.Focus();

// !

! 5 ) / , )4 textbox1 // ! ! 5 ) / , )4 textbox2 //ภ+ ,% -,! cursor ' )4 textbox1

}

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1 Form1 Text

J 2 Label1 Text

J 3 Groupbox1 Text # ภ*ภ4 Radiobutton1 Text 3 Checked True 5 Radiobutton2 Text 4 6 Radiobutton3 Text 5 7 Radiobutton4 Text !" H" !

8 Listbox1 9 Button1 Text ภ"

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50 83 ( ภE #4.2 !

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