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运行之后出现
//键盘热键
private void Faiguajli_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar.ToString() == Keys.C.ToString())
{
this.Faiguajli_KeyPress(sender, e);
private void Faiguajli_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyData == Keys.F9)
{
this.Faiguajli_KeyDown(sender, e);
}
}

if (e.KeyData == Keys.F9)
{
this.Faiguajli_KeyDown(sender, e);
}
死循环。。