Bài giảng Lập trình C# 1 - Chương 6: Control 2

F -X C h a n ge<br /> <br /> PD<br /> <br /> F -X C h a n ge<br /> <br /> N<br /> <br /> y<br /> <br /> bu<br /> <br /> om<br /> <br /> k<br /> lic<br /> tr<br /> <br /> ac<br /> <br /> .c<br /> <br /> C<br /> <br /> om<br /> <br /> k<br /> lic<br /> C<br /> <br /> .c<br /> <br /> re<br /> <br /> .<br /> <br /> .<br /> <br /> k e r- s o ft w a<br /> <br /> w<br /> <br /> w<br /> <br /> ac<br /> <br /> ww<br /> <br /> ww<br /> <br /> tr<br /> <br /> to<br /> <br /> to<br /> <br /> bu<br /> <br /> y<br /> <br /> N<br /> <br /> O<br /> W<br /> !<br /> <br /> 18/05/2011<br /> <br /> O<br /> W<br /> !<br /> <br /> PD<br /> <br /> k e r- s o ft w a<br /> <br /> i dung<br /> <br /> Ch<br /> <br /> ng 6<br /> <br /> CONTROL 2<br /> <br /> y phím<br /> • KeyPress<br /> • KeyDown<br /> • KeyUp<br /> <br /> private void txtgiatri2_KeyPress(object sender, KeyPressEventArgs e)<br /> {<br /> if (e.KeyChar == 27)<br /> private void txtgiatri1_KeyDown(object sender, KeyEventArgs e)<br /> {<br /> {<br /> MessageBox.Show("B n m i gõ phím ESC");<br /> if<br /> } (e.KeyCode == Keys.Escape)<br /> }<br /> MessageBox.Show("Esc");<br /> if (e.KeyData == Keys.Enter)<br /> MessageBox.Show("Enter");<br /> if (e.KeyValue==13)<br /> txtgiatri2.Focus();<br /> <br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> <br /> y phím<br /> ListBox<br /> ComboBox<br /> CheckedListbox<br /> DateTime / MonthCalendar<br /> NumericUpDown<br /> Menu<br /> i form t form khác<br /> ColorDialog<br /> FontDialog<br /> ToolTip<br /> <br /> ListBox<br /> <br /> • Danh sách ch n a<br /> • Ch ch n 1 trong các ph n<br /> • o p:<br /> <br /> thu c danh sách<br /> <br /> –<br /> nh p (wizard; câu nh)<br /> – Có t CSDL (windows 2)<br /> <br /> }<br /> <br /> 1<br /> <br /> re<br /> <br /> F -X C h a n ge<br /> <br /> PD<br /> <br /> F -X C h a n ge<br /> <br /> N<br /> <br /> y<br /> <br /> bu<br /> <br /> Listbox<br /> o listbox<br /> <br /> •<br /> <br /> – Wizard<br /> – Câu l nh<br /> <br /> d ng<br /> <br /> •<br /> <br /> a d li u xu ng bi n<br /> bachoc.Text = gioitinh.SelectedItem.ToString();<br /> – a d li u t textbox lên<br /> t o listbox<br /> listBox1.Items.Add(textBox1.Text);<br /> –<br /> <br /> Ví d<br /> <br /> t s ph<br /> •<br /> •<br /> •<br /> •<br /> •<br /> •<br /> <br /> om<br /> <br /> k<br /> lic<br /> tr<br /> <br /> ac<br /> <br /> .c<br /> <br /> C<br /> <br /> om<br /> <br /> k<br /> lic<br /> C<br /> <br /> .c<br /> <br /> re<br /> <br /> .<br /> <br /> .<br /> <br /> k e r- s o ft w a<br /> <br /> w<br /> <br /> w<br /> <br /> ac<br /> <br /> ww<br /> <br /> ww<br /> <br /> tr<br /> <br /> to<br /> <br /> to<br /> <br /> bu<br /> <br /> y<br /> <br /> N<br /> <br /> O<br /> W<br /> !<br /> <br /> 18/05/2011<br /> <br /> O<br /> W<br /> !<br /> <br /> PD<br /> <br /> k e r- s o ft w a<br /> <br /> ng th c<br /> <br /> listBox1.Items.Add(object Item)<br /> listBox1.Items.Clear()<br /> listBox1.Items.RemoveAt(int index)<br /> listBox1.SelectedIndex<br /> listBox1.SelectedItem<br /> listBox1.Items.Count<br /> <br /> Combobox<br /> • Gi ng ListBox<br /> • Sinh viên t nghiên c u<br /> <br /> 2<br /> <br /> re<br /> <br /> F -X C h a n ge<br /> <br /> PD<br /> <br /> F -X C h a n ge<br /> <br /> N<br /> <br /> y<br /> <br /> bu<br /> <br /> CheckedListbox<br /> <br /> ac<br /> <br /> .c<br /> <br /> tr<br /> <br /> k e r- s o ft w a<br /> <br /> ol p<br /> •<br /> •<br /> <br /> • Danh sách các a ch n<br /> •<br /> n có th check<br /> t trong nhi u<br /> <br /> om<br /> <br /> k<br /> lic<br /> C<br /> <br /> om<br /> <br /> k<br /> lic<br /> C<br /> <br /> .c<br /> <br /> re<br /> <br /> .<br /> <br /> .<br /> <br /> k e r- s o ft w a<br /> <br /> w<br /> <br /> w<br /> <br /> ac<br /> <br /> ww<br /> <br /> ww<br /> <br /> tr<br /> <br /> to<br /> <br /> to<br /> <br /> bu<br /> <br /> y<br /> <br /> N<br /> <br /> O<br /> W<br /> !<br /> <br /> 18/05/2011<br /> <br /> O<br /> W<br /> !<br /> <br /> PD<br /> <br /> d ng wizard<br /> d ng câu l nh<br /> checkedListBox2.Items.Add(textBox2.Text);<br /> <br /> a ch n<br /> <br /> DateTime / MonthCalendar<br /> <br /> Xu t d li u khi s d ng<br /> textBox1.Text = checkedListBox1.SelectedItem.ToString();<br /> foreach ( in )<br /> <br /> •<br /> <br /> string str2="";<br /> foreach (string str1 in checkedListBox1.CheckedItems)<br /> {<br /> str2 += str1 + ",";<br /> }<br /> textBox1.Text = str2;<br /> MessageBox.Show("B n ã ch n " + str2);<br /> <br /> 3<br /> <br /> re<br /> <br /> F -X C h a n ge<br /> <br /> PD<br /> <br /> F -X C h a n ge<br /> <br /> N<br /> <br /> y<br /> <br /> bu<br /> <br /> om<br /> <br /> k<br /> lic<br /> tr<br /> <br /> ac<br /> <br /> .c<br /> <br /> C<br /> <br /> om<br /> <br /> k<br /> lic<br /> C<br /> <br /> .c<br /> <br /> re<br /> <br /> .<br /> <br /> .<br /> <br /> k e r- s o ft w a<br /> <br /> w<br /> <br /> w<br /> <br /> ac<br /> <br /> ww<br /> <br /> ww<br /> <br /> tr<br /> <br /> to<br /> <br /> to<br /> <br /> bu<br /> <br /> y<br /> <br /> N<br /> <br /> O<br /> W<br /> !<br /> <br /> 18/05/2011<br /> <br /> O<br /> W<br /> !<br /> <br /> PD<br /> <br /> k e r- s o ft w a<br /> <br /> y d li u ra bi n<br /> string st = dateTimePicker1.Value.ToString();<br /> txt2.Text = dateTimePicker1.Value.ToLongDateString();<br /> <br /> y d li u ra bi n<br /> string st2 = monthCalendar1.SelectionRange.ToString();<br /> textBox2.Text = st2;<br /> txt2.Text = monthCalendar1.SelectionStart.ToShortDateString();<br /> <br /> 4<br /> <br /> re<br /> <br /> F -X C h a n ge<br /> <br /> PD<br /> <br /> F -X C h a n ge<br /> <br /> N<br /> <br /> y<br /> <br /> bu<br /> <br /> om<br /> <br /> k<br /> lic<br /> tr<br /> <br /> ac<br /> <br /> .c<br /> <br /> C<br /> <br /> om<br /> <br /> k<br /> lic<br /> C<br /> <br /> .c<br /> <br /> re<br /> <br /> .<br /> <br /> .<br /> <br /> k e r- s o ft w a<br /> <br /> w<br /> <br /> w<br /> <br /> ac<br /> <br /> ww<br /> <br /> ww<br /> <br /> tr<br /> <br /> to<br /> <br /> to<br /> <br /> bu<br /> <br /> y<br /> <br /> N<br /> <br /> O<br /> W<br /> !<br /> <br /> 18/05/2011<br /> <br /> O<br /> W<br /> !<br /> <br /> PD<br /> <br /> k e r- s o ft w a<br /> <br /> NumericUpDown<br /> •<br /> •<br /> <br /> n giá tr liên c<br /> i giá tr cách nhau 1<br /> <br /> n<br /> <br /> nguyên<br /> <br /> d ng<br /> <br /> Menu<br /> <br /> private void button2_Click(object sender, EventArgs e)<br /> {<br /> numericUpDown1.Value = Convert.ToInt32(textBox4.Text);<br /> numericUpDown1.Maximum = Convert.ToInt32(textBox4.Text);<br /> numericUpDown1.Minimum = 0;<br /> }<br /> private void button3_Click(object sender, EventArgs e)<br /> {<br /> textBox5.Text = numericUpDown1.Value.ToString();<br /> }<br /> <br /> 5<br /> <br /> re<br /> <br />