解决方法:
private void mdiFormClosing(object sender, FormClosingEventArgs e)
{
Form mdiForm = (Form)sender;
mdiForm.Hide();//隐藏被关闭的窗体
e.Cancel = true;//撤销窗体关闭操作
}
解决方法:
private void mdiFormClosing(object sender, FormClosingEventArgs e)
{
Form mdiForm = (Form)sender;
mdiForm.Hide();//隐藏被关闭的窗体
e.Cancel = true;//撤销窗体关闭操作
}