protected override void OnPaint(PaintEventArgs pea)

{

Graphics gpis = pea.Graphics;

gp = gpis;

//gpis.DrawString("haha", new Font(this.Font, FontStyle.Regular),new SolidBrush(Color.Coral), new PointF(2, 3));

StringFormat sf = new StringFormat();//格式文字

sf.Alignment = StringAlignment.Center;//alignment屬性垂直

sf.LineAlignment = StringAlignment.Center;//水平

sf1 = sf;

sz.Width=this.ClientSize.Width / 2;

sz.Height =this.ClientSize.Height / 2;

//瞭解學習drawstring方法不同重寫,如下為在窗體（嚴格叫客戶區中間顯示對應文字) clientsize為客戶區大小

gpis.DrawString("在窗體中顯示的格式化文字", new Font(this.Font, FontStyle.Regular), new SolidBrush(Color.Brown), this.ClientSize.Width / 2, this.ClientSize.Height / 2, sf);

}

c# winform 之control onpaint事件及drawstring方法

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