public static Image appendImageToMsgBox(frm_group frmGroup, string name, DateTime time, byte[] imageData)
{
var image = Image.FromStream(new MemoryStream(imageData));
if (!frmGroup.IsHandleCreated)
{
frmGroup.rtxt_message.AppendRichText(name + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Green);
frmGroup.rtxt_message.InsertImage(image);
frmGroup.rtxt_message.AppendText("\n");
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}
else
{
frmGroup.Invoke(new Action(() =>
{
frmGroup.rtxt_message.AppendRichText(name + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Green);
frmGroup.rtxt_message.InsertImage(image);
frmGroup.rtxt_message.AppendText("\n");
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}));
}
return(image);
}
public static void appendFileToMsgBox(frm_group frmGroup, string name, DateTime time, string fileName, long objId)
{
if (!frmGroup.IsHandleCreated)
{
frmGroup.rtxt_message.AppendRichText(name + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Green);
frmGroup.rtxt_message.AppendText(fileName);
frmGroup.rtxt_message.AppendText("\n");
frmGroup.rtxt_message.InsertLink("下载文件[" + objId + "]");
frmGroup.rtxt_message.AppendText("\n");
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}
else
{
frmGroup.Invoke(new Action(() =>
{
frmGroup.rtxt_message.AppendRichText(name + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Green);
frmGroup.rtxt_message.AppendText(fileName);
frmGroup.rtxt_message.AppendText("\n");
frmGroup.rtxt_message.InsertLink("下载文件[" + objId + "]");
frmGroup.rtxt_message.AppendText("\n");
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}));
}
}
public static void appendSysMsgToMsgBox(frm_group frmGroup, string content, DateTime time)
{
if (!frmGroup.IsHandleCreated)
{
frmGroup.rtxt_message.AppendRichText("[系统消息]" + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Blue);
frmGroup.rtxt_message.AppendText(content + "\r\n");
frmGroup.rtxt_message.ForeColor = Color.Black;
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}
else
{
frmGroup.Invoke(new Action(() =>
{
frmGroup.rtxt_message.AppendRichText("[系统消息]" + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Blue);
frmGroup.rtxt_message.AppendText(content + "\r\n");
frmGroup.rtxt_message.ForeColor = Color.Black;
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}));
}
}
public static void appendRtfToMsgBox(frm_group frmGroup, string name, DateTime time, string content)
{
if (!frmGroup.IsHandleCreated)
{
frmGroup.rtxt_message.AppendRichText(name + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Green);
frmGroup.rtxt_message.AppendRtf(content);
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}
else
{
frmGroup.Invoke(new Action(() =>
{
frmGroup.rtxt_message.AppendRichText(name + " " + time.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n",
new Font(frmGroup.Font, FontStyle.Regular), Color.Green);
frmGroup.rtxt_message.AppendRtf(content);
frmGroup.rtxt_message.Select(frmGroup.rtxt_message.Text.Length, 0);
frmGroup.rtxt_message.ScrollToCaret();
frmGroup.rtxt_send.Focus();
}));
}
}