代码
1
using
System;
2
using
System.Collections.Generic;
3
using
System.ComponentModel;
4
using
System.Data;
5
using
System.Drawing;
6
using
System.Linq;
7
using
System.Text;
8
using
System.Windows.Forms;
9
10
namespace
Invoicing_Tube
11
{
12
public
partial
class
login : Form
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{
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public
login()
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{
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InitializeComponent();
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}
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//
定义一下坐标
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private
Point mouseOffset;
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//
判断一下是否按下了左键默认的为False
21
private
bool
isMouseDown
=
false
;
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private
void
login_MouseDown(
object
sender, MouseEventArgs e)
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{
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try
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{
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//
X轴
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int
xOffset;
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//
Y轴
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int
yOffset;
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//
当按下左键时
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if
(e.Button
==
MouseButtons.Left)
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{
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//
X轴为当前的位置加上窗体的长度
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xOffset
=
-
e.X
-
SystemInformation.FrameBorderSize.Width;
35
//
Y轴为当前的位置加上窗体的高度
36
yOffset
=
-
e.Y
-
SystemInformation.CaptionHeight
-
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SystemInformation.FrameBorderSize.Height;
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//
综合一下坐标
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mouseOffset
=
new
Point(xOffset, yOffset);
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//
表示按下了左键
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isMouseDown
=
true
;
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}
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}
44
catch
(Exception ee)
45
{
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MessageBox.Show(ee.Message.ToString(),
"
提示信息
"
, MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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}
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private
void
login_MouseMove(
object
sender, MouseEventArgs e)
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{
52
try
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{
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//
如果按下了左键
55
if
(isMouseDown)
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{
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//
前当的坐标==鼠标的位置
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Point mousePos
=
Control.MousePosition;
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mousePos.Offset(mouseOffset.X, mouseOffset.Y);
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Location
=
mousePos;
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}
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}
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catch
(Exception ee)
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{
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MessageBox.Show(ee.Message.ToString(),
"
提示信息
"
, MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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}
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private
void
login_MouseUp(
object
sender, MouseEventArgs e)
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{
71
try
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{
73
if
(e.Button
==
MouseButtons.Left)
74
{
75
isMouseDown
=
false
;
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}
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}
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catch
(Exception ee)
79
{
80
MessageBox.Show(ee.Message.ToString(),
"
提示信息
"
, MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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}
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}
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}
85
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文章转自:
http://home.cnblogs.com/sufei/
转载于:https://www.cnblogs.com/angleSJW/archive/2010/08/23/1806315.html