2017年10月12日 星期四
Handling keystrokes
Handling keystrokes at the form’s level
Private Sub CalculatorForm_KeyPress(ByVal sender As Object,
ByVal e As System.Windows.Forms.KeyPressEventArgs)
Handles Me.KeyPress
Select Case e.KeyChar
Case "1" : bttn1.PerformClick()
Case "2" : bttn2.PerformClick()
Case "3" : bttn3.PerformClick()
Case "4" : bttn4.PerformClick()
Case "5" : bttn5.PerformClick()
Case "6" : bttn6.PerformClick()
Case "7" : bttn7.PerformClick()
Case "8" : bttn8.PerformClick()
Case "9" : bttn9.PerformClick()
Case "0" : bttn0.PerformClick()
Case "." : bttnDecimalPoint.PerformClick()
Case "C", "c" : bttnClear.PerformClick()
Case "+" : bttnPlus.PerformClick()
Case "-" : bttnMinus.PerformClick()
Case "*" : bttnMultiply.PerformClick()
Case "/" : bttnDivide.PerformClick()
Case "=" : bttnEquals.PerformClick()
End Select
End Sub
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