国家电网韩君简历:在vb里面怎么画直线

来源:百度文库 编辑:杭州交通信息网 时间:2024/04/23 20:28:00
具体的使用方法,我用LINE函数时,总是画不出来

Option Explicit

Private Type point
X As Long
Y As Long
End Type
Dim oldP As point

Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then oldP.X = X: oldP.Y = Y

End Sub

Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then Line (oldP.X, oldP.Y)-(X, Y), RGB(255, 0, 0)
End Sub

用line函数