你好所有即时通讯创建一个游戏,用户可以拖放pictureboxes.I设法做到这一点,但我不喜欢当你拖放一个picturebox时它的行为。有了这个代码在C中拖放n下降行为#
private void myPictureBox_MouseDown(object sender, MouseEventArgs e)
{
isDragging = true;
currentX = e.X;
currentY = e.Y;
}
private void myPictureBox_MouseMove(object sender, MouseEventArgs e)
{
Control control = (Control)sender;
if (isDragging)
{
control.Top = control.Top + (e.Y - currentY);
control.Left = control.Left +(e.X - currentX);
}
}
private void myPictureBox_MouseUp(object sender, MouseEventArgs e)
{
isDragging = false;
}
它像this (video 1)所以我把一个.update()把它
private void myPictureBox_MouseDown(object sender, MouseEventArgs e)
{
isDragging = true;
currentX = e.X;
currentY = e.Y;
}
private void myPictureBox_MouseMove(object sender, MouseEventArgs e)
{
Control control = (Control)sender;
if (isDragging)
{
control.Top = control.Top + (e.Y - currentY);
control.Left = control.Left +(e.X - currentX);
control.update();
}
}
private void myPictureBox_MouseUp(object sender, MouseEventArgs e)
{
isDragging = false;
}
但由于其在循环,如果其行为很像0。做你有什么建议吗?提前致谢。
表单的背景图像非常缓慢地绘制,因此您可以看到尚未透支的像素的幻影。一般建议[在这里](http://stackoverflow.com/a/2613272/17034)。 – 2015-03-25 10:56:57
Hans Passant非常感谢你.tha再次修复它 – valentinosael 2015-03-25 11:03:17