不知道怎么的,没在设计器里看到这个事件。你用下面代码添加事件试试
this.MouseWheel += new MouseEventHandler(Form15_MouseWheel);void Form15_MouseWheel(object sender, MouseEventArgs e)
{
this.Text = e.Delta.ToString();
}
this.MouseWheel += new MouseEventHandler(Form15_MouseWheel);void Form15_MouseWheel(object sender, MouseEventArgs e)
{
this.Text = e.Delta.ToString();
}
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