c#窗体鼠标事件
常见的鼠标事件:
mouseclick,mousedown,mouseup,mousuenter,mouseleave.mousemove
mouseDown按下鼠标事件:
//鼠标按下后显示
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
MessageBox.Show("哈哈我有帅了");
button1.Text = "惦记我";
}
MouseUp鼠标抬起事件:
//鼠标抬起后显示:
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
MessageBox.Show("确实如此啊");
}
MouseEnter提示事件:
//只要鼠标在空白处则提出显示:
private void Form1_MouseEnter(object sender, EventArgs e)
{
MessageBox.Show("哈哈,我又来了");
}
MouseLeave弹窗事件:
//只要没有在窗体空白处则弹出窗体:
private void Form1_MouseLeave(object sender, EventArgs e)
{
MessageBox.Show("弹出窗体");
}
MouseDoubleClick双击事件:
//鼠标双击之后显示:
private void Form1_MouseDoubleClick(object sender, MouseEventArgs e)
{
MessageBox.Show("大白又帅了");
}
MouseMove移动事件:
//在标题中显示鼠标移动时候的坐标:
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
this.Text=string.Format("x:{0},y:{1}",e.X,e.Y );
}
MouoseDouble双击事件
鼠标双击之后显示:
private void Form1_MouseDoubleClick(object sender, MouseEventArgs e)
{
MessageBox.Show("大白又帅了");
}
小游戏:鼠标碰不到我
//每次碰到后则发生位置变化,第七次后则弹出信息。
int i = 0;
private void picZXH_MouseEnter(object sender, EventArgs e)
{
int xWidth = this.ClientSize.Width-picZXH.Width ;//获取窗体的宽度
int yHeight = this.ClientSize.Height-picZXH.Height ;//获取窗体的高度
Random r = new Random(); //定义随意数
int xZxh = r.Next(xWidth + 1);
int yZxh=r.Next (yHeight+1);
picZXH.Location = new Point(xZxh,yZxh );//获取随意坐标
this.BackColor = Color.Gray; //移动后改变颜色
i++;
if (i%7==0) //移动七次后弹出窗体和网页,并将背景变黑
{
MessageBox.Show("haha ,我是最邪恶的,看看我是谁");
System.Diagnostics.Process.Start("http://www.itcast.cn");
this.BackColor = Color.Black;
}
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