上次文章地址http://www.cnblogs.com/sufei/archive/2009/05/06/1450683.html
上次写了一个一个拖动无标题栏窗体的方法 发现有一些问题就是每次单击的时候 会向上移动两个像素,现在修改一下

private
bool
isMouseDown
=
false
;
private Point FormLocation; // form的location
private Point mouseOffset; // 鼠标的按下位置
private void Messages_MouseDown( object sender, MouseEventArgs e)
{
try
{
if (e.Button == MouseButtons.Left)
{
isMouseDown = true ;
FormLocation = this .Location;
mouseOffset = Control.MousePosition;
}
}
catch (Exception)
{
}
}
private void Messages_MouseMove( object sender, MouseEventArgs e)
{
try
{
int _x = 0 ;
int _y = 0 ;
if (isMouseDown)
{
Point pt = Control.MousePosition;
_x = mouseOffset.X - pt.X;
_y = mouseOffset.Y - pt.Y;
this .Location = new Point(FormLocation.X - _x, FormLocation.Y - _y);
}
}
catch (Exception )
{
}
}
private void Messages_MouseUp( object sender, MouseEventArgs e)
{
try
{
isMouseDown = false ;
}
catch (Exception)
{
}
}
private Point FormLocation; // form的location
private Point mouseOffset; // 鼠标的按下位置
private void Messages_MouseDown( object sender, MouseEventArgs e)
{
try
{
if (e.Button == MouseButtons.Left)
{
isMouseDown = true ;
FormLocation = this .Location;
mouseOffset = Control.MousePosition;
}
}
catch (Exception)
{
}
}
private void Messages_MouseMove( object sender, MouseEventArgs e)
{
try
{
int _x = 0 ;
int _y = 0 ;
if (isMouseDown)
{
Point pt = Control.MousePosition;
_x = mouseOffset.X - pt.X;
_y = mouseOffset.Y - pt.Y;
this .Location = new Point(FormLocation.X - _x, FormLocation.Y - _y);
}
}
catch (Exception )
{
}
}
private void Messages_MouseUp( object sender, MouseEventArgs e)
{
try
{
isMouseDown = false ;
}
catch (Exception)
{
}
}
如有转载请注明出处谢谢合作!!!