实现效果:

知识运用:
API函数ShowCursor //控制鼠标指针的可视性
实现代码:
[DllImport("user32.dll", EntryPoint = "ShowCursor")]
public extern static bool ShowCursor(bool bShow);
private void button1_Click(object sender, EventArgs e)
{
ShowCursor(false); //鼠标隐藏
}
private void button2_Click(object sender, EventArgs e)
{
ShowCursor(true); //鼠标显示
}
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