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   源码介绍

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根据鼠标光标位置动态移动生成的图标

private void PictureBox_MouseDown(object sender, MouseEventArgs e) {
if (e.Button == MouseButtons.Left) {
isDrag = true;
//重新设置rect的位置，跟随鼠标移动 
rect.Location = getPointToForm(new Point(e.Location.X - mouseDownPoint.X, e.Location.Y - mouseDownPoint.Y), sender);
this.Refresh();
}
}

private void PictureBox_MouseMove(object sender, MouseEventArgs e) {
if (e.Button == MouseButtons.Left) {
isDrag = true;
//重新设置rect的位置，跟随鼠标移动 
rect.Location = getPointToForm(new Point(e.Location.X - mouseDownPoint.X, e.Location.Y - mouseDownPoint.Y), sender);
this.Refresh();
}
}
private void PictureBox_MouseUp(object sender, MouseEventArgs e) {
if (e.Button == MouseButtons.Left) {
if (isDrag) {
isDrag = false;
//移动control到放开鼠标的地方 
actX = rect.Location.X - (picWidth / 2);
actY = rect.Location.Y - (picHeight / 2);
(sender as PictureBox).Location = new Point(rect.Location.X - (picWidth / 2), rect.Location.Y - (picHeight / 2));
this.Refresh();
deviceInfo.x = actX;
deviceInfo.y = actY;
}
reset();
}
}