更多"下面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"的相关试题:
[填空题]下面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_MouseDown(Button As Integer，Shift As Integer，_
X As Single，Y As Single)
【 】
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)
【 】
End Sub
Private Sub Form_Db1Click（ ）
【 】
End Sub
[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
[填空题]下面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。补充完整下而的程序。
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_MouseDown(Button As Integer，Shift As Integer,_X As Single，Y As Single)
PaintStart=True
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)
______
End Sub
Private Sub Form-DblClick（ ）
Cls
End Sub
[填空题]下面程序是由鼠标事件在窗体上画图，如果按下鼠标可以画图，双击窗体则可以清除所画图形。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_MouseDown(Button As Integer，Shift As Integer，X AS Single，Y AS Single)
PaintStart=True
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)
End Sub
Private Sub Form_DblClick（ ）
Cls
End Sub
