kirksene le begendir
namespace yazı_tipleri { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button9_Click(object sender, EventArgs e) { if (textBox1.SelectionLength > 0) { textBox1.Cut(); } else { MessageBox.Show("Seçili Alan Yok!"); } } private void button8_Click(object sender, EventArgs e) { if (textBox1.SelectionLength > 0) { textBox1.Copy(); } else { MessageBox.Show("Seçili Alan Yok!"); } } private void button7_Click(object sender, EventArgs e) { textBox1.Paste(); } private void button6_Click(object sender, EventArgs e) { textBox1.Undo(); } private void button1_Click(object sender, EventArgs e) { if (fontDialog1.ShowDialog() == DialogResult.OK) textBox1.Font = fontDialog1.Font; } private void button2_Click(object sender, EventArgs e) { if (colorDialog1.ShowDialog() == DialogResult.OK) textBox1.ForeColor = colorDialog1.Color; } private void button3_Click(object sender, EventArgs e) { textBox1.Font = new Font(Font, FontStyle.Bold); } private void button4_Click(object sender, EventArgs e) { textBox1.Font = new Font(Font, FontStyle.Italic); } private void button5_Click(object sender, EventArgs e) { textBox1.Font = new Font(Font, FontStyle.Underline); } private void button10_Click(object sender, EventArgs e) { textBox1.Focus(); textBox1.SelectAll(); } private void button11_Click(object sender, EventArgs e) { string degisken; if (textBox1.Text.Length > 0) { degisken = textBox1.Text.Substring(0, textBox1.Text.Length - 1); textBox1.Text = degisken; } } } }