[填空题] 下面的程序是由鼠标事件在窗体上画图,如果按下鼠标将可以画图,双击窗体可以清除所画图形。补充完整下面的程序。首先在窗体层定义如下变量: Dim PaIntStart As Boolean
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[填空题] 下面的程序是由鼠标事件在窗体上画图,如果按下鼠标将可以画图,双击窗体可以清除所画图形。补充完整下面的程序。首先在窗体层定义如下变量:
Dim PaIntStart As Boolean
编写如下事件过程:
Private Sub Form_Load()
DrawWidth=2
ForeColor=vbGreen
End Sub
Private Sub Form_MouscDown(Button As Integer,Shift As Integer,_
X As Single,Y As Single)
[13]
End Sub
Private Sub Form_MouseMove(Button As Integer,Shift As Integer,_
X As Single,Y As Single)
If PaintStart Then
PSet(X,Y)
End If
End Sub
Private Sub Form_MouseUp(Button As Integer,Shift As Integer,_
X As Single,Y As Single)
[14]
End Sub
Private Sub Form_DblClick()
[15]
End Sub
参考答案: