private void btnTest_Click(object sender, System.EventArgs e)
{
// Loop a few times.
for (int Counter = 1; Counter <= Int32.Parse(txtCycles.Text); Counter++)
{
// Display some text on screen.
txtCurrent.Text = Counter.ToString();
txtCurrent.Update();
// Cause the application to sleep.
System.Threading.Thread.Sleep(Int32.Parse(txtSleep.Text));
}
// Tell the user we're finished.
txtCurrent.Text = "Done";
}
public void SetText(string sText)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (this.textBox1.InvokeRequired)
{
var d = new SetTextCallback(SetText);
Invoke(d, new object[] { sText });
}
else
{
textBox1.Text = sText;
textBox1.Update();
textBox1.Refresh();
}
}
private void WriteHexData(Color rgb)
{
string red = Convert.ToString(rgb.R, 16);
if (red.Length < 2)
{
red = "0" + red;
}
string green = Convert.ToString(rgb.G, 16);
if (green.Length < 2)
{
green = "0" + green;
}
string blue = Convert.ToString(rgb.B, 16);
if (blue.Length < 2)
{
blue = "0" + blue;
}
m_txt_Hex.Text = red.ToUpper() + green.ToUpper() + blue.ToUpper();
m_txt_Hex.Update();
}
private void UpdateStatus(TextBox lbl, string status)
{
if (lbl.InvokeRequired)
{
lbl.BeginInvoke(new Action<TextBox, string>(UpdateStatus), lbl, status);
}
else
{
lbl.Text = status;
lbl.Update();
lbl.Parent.Update();
}
}
private static void LogAddLine(TextBox tb, StringBuilder sb, string line)
{
sb.Append(line);
//tb.BeginInvoke((MethodInvoker)(() => tb.Text = sb.ToString()));
tb.Text = sb.ToString();
tb.Update();
}
/// <summary>
/// Will update Text in a Text Box when the UI thread is still busy
/// </summary>
/// <param name="myTextBox">The TextBox control to update</param>
/// <param name="myText">The Text to update</param>
private void HELPER_updateTextBox(TextBox myTextBox, string myText)
{
myTextBox.Text = myText;
myTextBox.Invalidate();
myTextBox.Update();
myTextBox.Refresh();
Application.DoEvents();
}
string SetTextBoxText(TextBox textbox,
string strText)
{
string strOldText = textbox.Text;
textbox.Text = strText;
textbox.Update();
return strOldText;
}
// 线程安全版本
string Safe_SetTextBoxText(TextBox textbox,
string strText)
{
if (textbox.Parent != null && textbox.Parent.InvokeRequired)
{
Delegate_SetTextBoxText d = new Delegate_SetTextBoxText(SetTextBoxText);
return (string)textbox.Parent.Invoke(d, new object[] { textbox, strText });
}
else
{
string strOldText = textbox.Text;
textbox.Text = strText;
textbox.Update();
return strOldText;
}
}
protected void FlushMessages(List<string> messages, TextBox textBox)
{
for (int n = 0; n < messages.Count; ++n)
textBox.Text += messages[n] + System.Console.Out.NewLine;
messages.Clear();
textBox.Update();
}
