A.btnOpen.Enable=true; B.btnOpen.Enable=false; C.btnOpen.Visible=true; D.btnOpen.Visible=false;
A.改變窗體的標(biāo)題信息 B.在工程的選項(xiàng)中設(shè)置啟動(dòng)窗體 C.設(shè)置窗體的IsMdiContainer屬性 D.設(shè)置窗體的ImeMode屬性
A.this.PictureBox1.SizeMode=PictureBoxSizeMode.AutoSize; B.this.PictureBox1.SizeMode=PictureBoxSizeMode.Normal; C.this.PictureBox1.SizeMode=PictureBoxSizeMode.StretchImage; D.this.PictureBox1.SizeMode=PictureBoxSizeMode.CenterImage;