Gtk# 執行時期產生 Button Widget

   1: /* ----------------------------------------

   2: * 產生一個 Gtk.Button , 放置於 fixed2  容器中

   3: * 並設定於fixed2 容器 中的絕對位置 *

   4: * ----------------------------------------*/

   5: int BtnCnt = 0;

   6: protected void btnOnClick (object sender, System.EventArgs e)

   7: {

   8:  BtnCnt++;

   9:  string strBuf = string.Format("Btn_{0}",BtnCnt);

  10:  Button btn = new Gtk.Button(strBuf);

  11:  btn.WidthRequest = 80;

  12:  btn.CanFocus = true;

  13:  btn.Name = strBuf;

  14:  btn.UseUnderline = true;

  15:  btn.Label = strBuf;

  16:  this.fixed2.Add (btn);

  17:  ( (Gtk.Fixed.FixedChild)(this.fixed2 [btn])).X = 20;

  18: ( (Gtk.Fixed.FixedChild)(this.fixed2 [btn])).Y = 20 + BtnCnt*50;

  19:  

  20:  

  21: // Gtk.Fixed.FixedChild ww = (Gtk.Fixed.FixedChild)(this.fixed2 [btn]);

  22:  

  23: ww.X = 20;

  24:  

  25: ww.Y = 20 + BtnCnt*50;

  26:  

  27:  btn.Show();

  28:  //throw new System.NotImplementedException ();

  29: }