[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=2ForeColor=vbGreen End Sub Private Sub Form_MouscDown(Button As Integer，Shift As Integer，_X As Single，Y As S_考试资料记录