ConsoleControl.ConsoleControl.richTextBoxConsole_KeyDown C# (CSharp) Method

		private void richTextBoxConsole_KeyDown(object sender, KeyEventArgs e) {
			// Are we sending keyboard commands to the process?
			if (SendKeyboardCommandsToProcess && IsProcessRunning) {
				richTextBoxConsole.SelectionColor = Color.White;
				// Get key mappings for this key event?
				var mappings = from k in keyMappings
											 where
											 k.KeyCode == e.KeyCode &&
											 k.IsAltPressed == e.Alt &&
											 k.IsControlPressed == e.Control &&
											 k.IsShiftPressed == e.Shift
											 select k;


				if (e.KeyCode == Keys.Tab)
				{
					SendTab(processInterace.Process.MainWindowHandle);
				//	SendKeysEx.SendKeys(this._cmdhandle, "{TAB}");
				}
				//// Go through each mapping, send the message.
				//foreach (var mapping in mappings) { //TODO: Find out if we need this [For Each]
				//	//SendKeysEx.SendKeys(this._cmdhandle, mapping.SendKeysMapping);
				//	//WriteInput(mapping.StreamMapping, Color.Yellow);
				//	//WriteInput("\x3", Color.White);
				//}

				// If we handled a mapping, we're done here.
				if (mappings.Any()) {
					e.SuppressKeyPress = true;
					return;
				}
			}

			// If we're at the input point and it's backspace, bail.
			if ((richTextBoxConsole.SelectionStart <= inputStart) && e.KeyCode == Keys.Back) e.SuppressKeyPress = true;

			// Are we in the read-only zone?
			if (richTextBoxConsole.SelectionStart < inputStart) {
				// Allow arrows and Ctrl-C.
				if (!(e.KeyCode == Keys.Left ||
						e.KeyCode == Keys.Right ||
						e.KeyCode == Keys.Up ||
						e.KeyCode == Keys.Down ||
						(e.KeyCode == Keys.C && e.Control))) {
					e.SuppressKeyPress = true;
				}

				if (e.KeyData == (Keys.C | Keys.ControlKey))
					MessageBox.Show("CTRL");
				//if (e.KeyCode == Keys.C)
				//{
				//    MessageBox.Show(richTextBoxConsole.SelectedText);
				//    Clipboard.SetText(richTextBoxConsole.SelectedText);
				//}
			}

			// Is it the return key?
			if (e.KeyCode == Keys.Return) {
				this._ShouldClear = false;
				// Get the input.
				string input = richTextBoxConsole.Text.Substring(inputStart, richTextBoxConsole.SelectionStart - inputStart);
				WriteInput(input, Color.White);
			}
		}