📄 7132.html
字号:
<html>
<head>
<title>Re: 为何不能画一条直线?</title>
</head>
<body bgcolor="#FFFFFF" vlink="#808080">
<center>
<h1>Re: 为何不能画一条直线?</h1>
</center>
<hr size=7 width=75%>
<hr size=7 width=75%><p>
Posted by <a href="mailto:honey0@tcts1.seed.net.tw">Honey</a> on November 05, 1998 at 23:14:58:<p>
In Reply to: <a href="6943.html">为何不能画一条直线?</a> posted by chris on October 31, 1998 at 12:18:23:<p>
: 请问为何在PictureBox画不出一条直线,而是不断的画直线?<p>: Private Sub Picture1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)<br>: If Button = 1 Then<br>: sngoldX = X<br>: sngoldY = Y<br>: End If<br>: End Sub<p>: Private Sub Picture1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)<br>: If Button = 1 Then<br>: Picture1.Line (sngoldX, sngoldY)-(CurrentX, CurrentY), RGB(255, 255, 255)<br>: Picture1.Line (sngoldX, sngoldY)-(X, Y), RGB(0, 0, 0)<br>: End If<br>: End Sub<br>: 那有问题?<p>简单描述一下你的程式<br>当_MouseDown事件发生时 纪录下了座标<br>当_MouseMove事件发生时 便由原纪录的<br>座标画线到现在的座标 于是便是不断画线......<p>如果要在 "滑鼠放开时" 画一条线 <br>要在_MouseUp事件发生时的滑鼠座标和<br>纪录的座标连线 OK<p>
<br>
<br><hr size=7 width=75%><p>
<a name="followups">Follow Ups:</a><br>
<ul><!--insert: 7132-->
</ul><!--end: 7132-->
<br><hr size=7 width=75%><p>
</body></html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -