kenlistian

//去焦点
btnSet.TabStop = false;

//设置按钮透明,进入后半透明
SetBtnStyle(btnSet);       

 private void SetBtnStyle(Button btn)
{
      btn.FlatStyle = FlatStyle.Flat;   //样式  
       btn.ForeColor = Color.Transparent;//前景  
       btn.BackColor = Color.Transparent;//去背景  
       btn.FlatAppearance.BorderSize = 0;//去边线 
       btn.FlatAppearance.MouseOverBackColor = Color.FromArgb(50, 40, 60, 82);
      btn.FlatAppearance.MouseDownBackColor = Color.FromArgb(50, 40, 60, 82);
}

pictureEdit1.Properties.SizeMode = DevExpress.XtraEditors.Controls.PictureSizeMode.Stretch;

internal static string LoadBackImage(XtraForm sender, string sfile,string sDefaultFile, bool bDirectLoad = false)
        {
            if (!bDirectLoad)
            {
                OpenFileDialog fd = new System.Windows.Forms.OpenFileDialog();
                fd.Filter = "jpg文件(*.jpg)|*.jpg|png文件(*.png)|*.png";
                if (fd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                    sfile = fd.FileName;
            }

            if (string.IsNullOrEmpty(sfile))
            {//获得缺省的图片文件
                sfile = sDefaultFile;                
            }

            if (!string.IsNullOrEmpty(sfile))
            {
                Image im = Image.FromFile(sfile);
                sender.BackgroundImage = im;
                sender.BackgroundImageLayout = ImageLayout.Stretch;
            }
            else
            {
                sender.BackgroundImage = null;

            }
            return sfile;
        }