343 lines
9.3 KiB
C#
343 lines
9.3 KiB
C#
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
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//
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// Authors:
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// Peter Bartok (pbartok@novell.com)
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// Andreia Gaita (avidigal@novell.com)
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//
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//
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using System.Collections;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace System.Windows.Forms {
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public class SendKeys {
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private struct Keyword {
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public Keyword(string keyword, int vk) {
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this.keyword = keyword;
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this.vk = vk;
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}
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internal string keyword;
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internal int vk;
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}
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#region Local variables
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private static Queue keys = new Queue();
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private static Hashtable keywords;
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#endregion
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static SendKeys() {
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SendKeys.keywords = new Hashtable();
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keywords.Add("BACKSPACE", (int)Keys.Back);
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keywords.Add("BS", (int)Keys.Back);
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keywords.Add("BKSP", (int)Keys.Back);
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keywords.Add("BREAK", (int)Keys.Cancel);
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keywords.Add("CAPSLOCK", (int)Keys.CapsLock);
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keywords.Add("DELETE", (int)Keys.Delete);
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keywords.Add("DEL", (int)Keys.Delete);
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keywords.Add("DOWN", (int)Keys.Down);
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keywords.Add("END", (int)Keys.End);
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keywords.Add("ENTER", (int)Keys.Enter);
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keywords.Add("~", (int)Keys.Enter);
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keywords.Add("ESC", (int)Keys.Escape);
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keywords.Add("HELP", (int)Keys.Help);
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keywords.Add("HOME", (int)Keys.Home);
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keywords.Add("INSERT", (int)Keys.Insert);
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keywords.Add("INS", (int)Keys.Insert);
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keywords.Add("LEFT", (int)Keys.Left);
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keywords.Add("NUMLOCK", (int)Keys.NumLock);
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keywords.Add("PGDN", (int)Keys.PageDown);
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keywords.Add("PGUP", (int)Keys.PageUp);
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keywords.Add("PRTSC", (int)Keys.PrintScreen);
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keywords.Add("RIGHT", (int)Keys.Right);
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keywords.Add("SCROLLLOCK", (int)Keys.Scroll);
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keywords.Add("TAB", (int)Keys.Tab);
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keywords.Add("UP", (int)Keys.Up);
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keywords.Add("F1", (int)Keys.F1);
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keywords.Add("F2", (int)Keys.F2);
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keywords.Add("F3", (int)Keys.F3);
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keywords.Add("F4", (int)Keys.F4);
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keywords.Add("F5", (int)Keys.F5);
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keywords.Add("F6", (int)Keys.F6);
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keywords.Add("F7", (int)Keys.F7);
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keywords.Add("F8", (int)Keys.F8);
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keywords.Add("F9", (int)Keys.F9);
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keywords.Add("F10", (int)Keys.F10);
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keywords.Add("F11", (int)Keys.F11);
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keywords.Add("F12", (int)Keys.F12);
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keywords.Add("F13", (int)Keys.F13);
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keywords.Add("F14", (int)Keys.F14);
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keywords.Add("F15", (int)Keys.F15);
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keywords.Add("F16", (int)Keys.F16);
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keywords.Add("ADD", (int)Keys.Add);
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keywords.Add("SUBTRACT", (int)Keys.Subtract);
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keywords.Add("MULTIPLY", (int)Keys.Multiply);
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keywords.Add("DIVIDE", (int)Keys.Divide);
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keywords.Add("+", (int)Keys.ShiftKey);
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keywords.Add("^", (int)Keys.ControlKey);
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keywords.Add("%", (int)Keys.Menu);
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}
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#region Private methods
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private SendKeys() {
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}
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private static void AddVKey(int vk, bool down)
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{
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MSG msg = new MSG();
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msg.message = down ? Msg.WM_KEYDOWN : Msg.WM_KEYUP;
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msg.wParam = new IntPtr(vk);
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msg.lParam = IntPtr.Zero;
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keys.Enqueue(msg);
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}
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private static void AddVKey(int vk, int repeat_count)
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{
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MSG msg;
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for (int i = 0; i < repeat_count; i++ ) {
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msg = new MSG();
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msg.message = Msg.WM_KEYDOWN;
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msg.wParam = new IntPtr(vk);
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msg.lParam = (IntPtr)1;
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keys.Enqueue(msg);
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msg = new MSG();
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msg.message = Msg.WM_KEYUP;
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msg.wParam = new IntPtr(vk);
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msg.lParam = IntPtr.Zero;
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keys.Enqueue(msg);
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}
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}
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private static void AddKey(char key, int repeat_count) {
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MSG msg;
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for (int i = 0; i < repeat_count; i++ ) {
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msg = new MSG();
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msg.message = Msg.WM_KEYDOWN;
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msg.wParam = new IntPtr(key);
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msg.lParam = IntPtr.Zero;
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keys.Enqueue(msg);
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msg = new MSG();
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msg.message = Msg.WM_KEYUP;
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msg.wParam = new IntPtr(key);
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msg.lParam = IntPtr.Zero;
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keys.Enqueue(msg);
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}
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}
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private static void Parse(string key_string) {
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bool isBlock = false;
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bool isVkey = false;
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bool isRepeat = false;
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bool isShift = false;
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bool isCtrl = false;
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bool isAlt = false;
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StringBuilder repeats = new StringBuilder();
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StringBuilder group_string = new StringBuilder();
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int key_len = key_string.Length;
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for (int i = 0; i < key_len; i++) {
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switch(key_string[i]) {
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case '{':
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group_string.Remove(0, group_string.Length);
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repeats.Remove(0, repeats.Length);
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int start = i+1;
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for (; start < key_len && key_string[start] != '}'; start++) {
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if (Char.IsWhiteSpace(key_string[start])) {
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if (isRepeat)
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throw new ArgumentException("SendKeys string {0} is not valid.", key_string);
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isRepeat = true;
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continue;
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}
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if (isRepeat) {
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if (!Char.IsDigit(key_string[start]))
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throw new ArgumentException("SendKeys string {0} is not valid.", key_string);
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repeats.Append(key_string[start]);
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continue;
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}
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group_string.Append(key_string[start]);
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}
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if (start == key_len || start == i+1)
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throw new ArgumentException("SendKeys string {0} is not valid.", key_string);
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else if (SendKeys.keywords.Contains(group_string.ToString().ToUpper())) {
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isVkey = true;
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}
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else {
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throw new ArgumentException("SendKeys string {0} is not valid.", key_string);
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}
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int repeat = 1;
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if (repeats.Length > 0)
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repeat = Int32.Parse(repeats.ToString());
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if (isVkey)
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AddVKey((int)keywords[group_string.ToString().ToUpper()], repeats.Length == 0 ? 1 : repeat);
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else {
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if (Char.IsUpper(Char.Parse(group_string.ToString()))) {
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if (!isShift)
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AddVKey((int)keywords["+"], true);
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AddKey(Char.Parse(group_string.ToString()), 1);
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if (!isShift)
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AddVKey((int)keywords["+"], false);
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}
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else
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AddKey(Char.Parse(group_string.ToString().ToUpper()), repeats.Length == 0 ? 1 : repeat);
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}
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i = start;
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isRepeat = isVkey = false;
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if (isShift)
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AddVKey((int)keywords["+"], false);
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if (isCtrl)
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AddVKey((int)keywords["^"], false);
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if (isAlt)
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AddVKey((int)keywords["%"], false);
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isShift = isCtrl = isAlt = false;
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break;
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case '+': {
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AddVKey((int)keywords["+"], true);
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isShift = true;;
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break;
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}
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case '^': {
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AddVKey((int)keywords["^"], true);
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isCtrl = true;
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break;
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}
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case '%': {
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AddVKey((int)keywords["%"], true);
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isAlt = true;
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break;
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}
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case '~': {
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AddVKey((int)keywords["ENTER"], 1);
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break;
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}
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case '(':
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isBlock = true;
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break;
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case ')': {
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if (isShift)
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AddVKey((int)keywords["+"], false);
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if (isCtrl)
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AddVKey((int)keywords["^"], false);
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if (isAlt)
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AddVKey((int)keywords["%"], false);
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isShift = isCtrl = isAlt = isBlock = false;
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break;
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}
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default: {
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if (Char.IsUpper(key_string[i])) {
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if (!isShift)
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AddVKey((int)keywords["+"], true);
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AddKey(key_string[i], 1);
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if (!isShift)
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AddVKey((int)keywords["+"], false);
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}
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else
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AddKey(Char.Parse(key_string[i].ToString().ToUpper()), 1);
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if (!isBlock) {
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if (isShift)
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AddVKey((int)keywords["+"], false);
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if (isCtrl)
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AddVKey((int)keywords["^"], false);
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if (isAlt)
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AddVKey((int)keywords["%"], false);
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isShift = isCtrl = isAlt = isBlock = false;
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}
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break;
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}
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}
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}
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if (isBlock)
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throw new ArgumentException("SendKeys string {0} is not valid.", key_string);
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if (isShift)
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AddVKey((int)keywords["+"], false);
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if (isCtrl)
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AddVKey((int)keywords["^"], false);
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if (isAlt)
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AddVKey((int)keywords["%"], false);
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}
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private static void SendInput() {
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IntPtr hwnd = XplatUI.GetActive ();
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if (hwnd != IntPtr.Zero) {
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Form active = ((Form) Control.FromHandle (hwnd));
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if (active != null && active.ActiveControl != null)
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hwnd = active.ActiveControl.Handle;
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else if (active != null)
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hwnd = active.Handle;
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}
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XplatUI.SendInput(hwnd, keys);
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keys.Clear();
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}
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#endregion // Private Methods
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#region Public Static Methods
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public static void Flush() {
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Application.DoEvents();
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}
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public static void Send(string keys) {
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Parse(keys);
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SendInput();
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}
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private static object lockobj = new object();
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public static void SendWait(string keys) {
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lock(lockobj) {
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Send(keys);
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}
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Flush();
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}
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#endregion // Public Static Methods
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}
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}
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