c#怎么能让PictureBox不把子窗体盖住,让子窗体显示在控件的上层?
privatevoidbutton1_Click(objectsender,EventArgse){Formplayform2=newFormplay();form2.M...
private void button1_Click(object sender, EventArgs e)
{
Formplay form2=new Formplay();
form2.MdiParent=this;
form2.Show();
} 展开
{
Formplay form2=new Formplay();
form2.MdiParent=this;
form2.Show();
} 展开
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