Form and Control KeyEvent网站安全分享!

一、Form的KeyEvent

KeyCode:

1. private void Form1_KeyDown(object sender, KeyEventArgs e)
2. {
3. if ((e.Modifiers == Keys.Control) && (e.KeyCode == Keys.Z))
4. {
5. this.cancelHandler();
6. }
7. else if ((e.Modifiers == Keys.Control) && (e.KeyCode == Keys.S))
8. {
9. this.saveHandler();
10. }
11. else
12. e.Handled = true;
13. }

二、Control’s KeyEvent

检测输入control的字符的正确性。

1. private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
2. {
3. if (e.KeyChar == ‘b’)
4. mPwFlag[0] = e.KeyChar;
5. if (e.KeyChar == ‘a’)
6. mPwFlag[1] = e.KeyChar;
7. if (e.KeyChar == ‘t’)
8. mPwFlag[2] = e.KeyChar;
9. if (e.KeyChar == ‘1’)
10. mPwFlag[0] = e.KeyChar;
11. if (e.KeyChar == ‘2’)
12. mPwFlag[1] = e.KeyChar;
13. if (e.KeyChar == ‘3’)
14. mPwFlag[2] = e.KeyChar;
16. if (mPwFlag[0] == ‘b’ && mPwFlag[1] == ‘a’ && mPwFlag[2] == ‘t’)
17. {
18. mPwFlag[0] = ‘0’;
19. mPwFlag[1] = ‘0’;
20. mPwFlag[2] = ‘0’;
21. BatCreateTopic bct = new BatCreateTopic(this);
22. this.button3.Visible = true;
23. bct.ShowDialog(this);
24. }
25. }

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