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 Android教程網 >> Android技術 >> Android開發 >> 關於android開發 >> Form and Control KeyEvent

Form and Control KeyEvent

編輯:關於android開發

Form and Control KeyEvent


一、Form的KeyEvent

image

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

檢測輸入control的字符的正確性。


  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;

  15. if (mPwFlag[0] == 'b' && mPwFlag[1] == 'a' && mPwFlag[2] == 't')
  16. {
  17. mPwFlag[0] = '0';
  18. mPwFlag[1] = '0';
  19. mPwFlag[2] = '0';
  20. BatCreateTopic bct = new BatCreateTopic(this);
  21. this.button3.Visible = true;
  22. bct.ShowDialog(this);
  23. }
  24. }


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