mirror of
https://github.com/greenshot/greenshot
synced 2025-07-14 09:03:44 -07:00
268 lines
No EOL
8.8 KiB
C#
268 lines
No EOL
8.8 KiB
C#
/*
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* Greenshot - a free and open source screenshot tool
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* Copyright (C) 2007-2014 Thomas Braun, Jens Klingen, Robin Krom
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*
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* For more information see: http://getgreenshot.org/
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* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Greenshot.IniFile;
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using GreenshotPlugin.Core;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Greenshot.Forms {
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/// <summary>
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/// the ToolStripMenuSelectList makes it possible to have a single or multi-check menu
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/// </summary>
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public class ToolStripMenuSelectList : ToolStripMenuItem {
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private static CoreConfiguration coreConfiguration = IniConfig.GetIniSection<CoreConfiguration>();
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private bool multiCheckAllowed = false;
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private bool updateInProgress = false;
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private static Image defaultImage;
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/// <summary>
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/// Occurs when one of the list's child element's Checked state changes.
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/// </summary>
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public new event EventHandler CheckedChanged;
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public object Identifier {
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get;
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private set;
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}
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public ToolStripMenuSelectList(object identifier, bool allowMultiCheck) {
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Identifier = identifier;
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CheckOnClick = false;
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multiCheckAllowed = allowMultiCheck;
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if (defaultImage == null || defaultImage.Size != coreConfiguration.IconSize) {
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if (defaultImage != null) {
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defaultImage.Dispose();
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}
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defaultImage = ImageHelper.CreateEmpty(coreConfiguration.IconSize.Width, coreConfiguration.IconSize.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb, Color.Transparent, 96f, 96f);
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}
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Image = defaultImage;
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}
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public ToolStripMenuSelectList() : this(null,false) {}
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public ToolStripMenuSelectList(object identifier) : this(identifier,false) {}
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/// <summary>
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/// gets or sets the currently checked item
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/// </summary>
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public ToolStripMenuSelectListItem CheckedItem {
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get {
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IEnumerator items = DropDownItems.GetEnumerator();
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while (items.MoveNext()) {
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ToolStripMenuSelectListItem tsmi = (ToolStripMenuSelectListItem)items.Current;
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if (tsmi.Checked) {
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return tsmi;
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}
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}
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return null;
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}
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set {
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IEnumerator items = DropDownItems.GetEnumerator();
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while (items.MoveNext()) {
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ToolStripMenuSelectListItem tsmi = (ToolStripMenuSelectListItem)items.Current;
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if (!multiCheckAllowed && !tsmi.Equals(value)) {
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tsmi.Checked = false;
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} else if (tsmi.Equals(value)) {
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tsmi.Checked = true;
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}
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}
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}
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}
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/// <summary>
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/// gets or sets the currently checked items
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/// </summary>
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public ToolStripMenuSelectListItem[] CheckedItems {
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get {
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List<ToolStripMenuSelectListItem> sel = new List<ToolStripMenuSelectListItem>();
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IEnumerator items = DropDownItems.GetEnumerator();
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while(items.MoveNext()) {
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ToolStripMenuSelectListItem tsmi = (ToolStripMenuSelectListItem)items.Current;
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if (tsmi.Checked) {
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sel.Add(tsmi);
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}
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}
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return sel.ToArray();
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}
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set {
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if (!multiCheckAllowed) {
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throw new ArgumentException("Writing to checkedItems is only allowed in multi-check mode. Either set allowMultiCheck to true or use set SelectedItem instead of SelectedItems.");
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}
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IEnumerator items = DropDownItems.GetEnumerator();
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IEnumerator sel = value.GetEnumerator();
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while (items.MoveNext()) {
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ToolStripMenuSelectListItem tsmi = (ToolStripMenuSelectListItem)items.Current;
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while (sel.MoveNext()) {
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if (tsmi.Equals(sel.Current)) {
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tsmi.Checked = true;
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} else {
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tsmi.Checked = false;
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}
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if (!multiCheckAllowed && !tsmi.Equals(sel.Current)) {
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tsmi.Checked = false;
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} else if (tsmi.Equals(value)) {
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tsmi.Checked = true;
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}
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}
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}
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}
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}
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private void ItemCheckStateChanged(object sender, EventArgs e) {
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if (updateInProgress) {
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return;
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}
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ToolStripMenuSelectListItem tsmi = (ToolStripMenuSelectListItem)sender;
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updateInProgress = true;
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if (tsmi.Checked && !multiCheckAllowed) {
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UncheckAll();
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tsmi.Checked = true;
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}
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updateInProgress = false;
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if (CheckedChanged != null) {
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CheckedChanged(this, new ItemCheckedChangedEventArgs(tsmi));
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}
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}
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/// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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/// <param name="image">the icon to be displayed</param>
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/// <param name="data">the data to be returned when an item is queried</param>
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/// <param name="isChecked">whether the item is initially checked</param>
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public void AddItem(string label, Image image, Object data, bool isChecked) {
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ToolStripMenuSelectListItem newItem = new ToolStripMenuSelectListItem();
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newItem.Text = label;
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if (image == null) {
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image = defaultImage;
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}
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newItem.DisplayStyle = ToolStripItemDisplayStyle.Text;
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newItem.Image = image;
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newItem.CheckOnClick = true;
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newItem.CheckStateChanged += ItemCheckStateChanged;
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newItem.Data = data;
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if (isChecked) {
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if (!multiCheckAllowed) {
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updateInProgress = true;
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UncheckAll();
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updateInProgress = false;
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}
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newItem.Checked = isChecked;
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}
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DropDownItems.Add(newItem);
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}
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/// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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/// <param name="image">the icon to be displayed</param>
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public void AddItem(string label, Image image) {
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AddItem(label, image, null, false);
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}
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/// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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/// <param name="data">the data to be returned when an item is queried</param>
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public void AddItem(string label, Object data) {
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AddItem(label, null, data, false);
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}
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/// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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public void AddItem(string label) {
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AddItem(label, null, null, false);
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}
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// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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/// <param name="image">the icon to be displayed</param>
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/// <param name="selected">whether the item is initially selected</param>
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/// <param name="isChecked">whether the item is initially checked</param>
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public void AddItem(string label, Image image, bool isChecked) {
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AddItem(label, image, null, isChecked);
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}
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/// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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/// <param name="data">the data to be returned when an item is queried</param>
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/// <param name="isChecked">whether the item is initially checked</param>
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public void AddItem(string label, Object data, bool isChecked) {
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AddItem(label, null, data, isChecked);
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}
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/// <summary>
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/// adds an item to the select list
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/// </summary>
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/// <param name="label">the label to be displayed</param>
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/// <param name="isChecked">whether the item is initially checked</param>
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public void AddItem(string label, bool isChecked) {
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AddItem(label, null, null, isChecked);
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}
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/// <summary>
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/// unchecks all items of the list
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/// </summary>
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public void UncheckAll() {
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IEnumerator items = DropDownItems.GetEnumerator();
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while (items.MoveNext()) {
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((ToolStripMenuSelectListItem)items.Current).Checked = false;
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}
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}
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}
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/// <summary>
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/// Event class for the CheckedChanged event in the ToolStripMenuSelectList
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/// </summary>
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public class ItemCheckedChangedEventArgs : EventArgs {
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public ToolStripMenuSelectListItem Item {
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get;
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set;
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}
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public ItemCheckedChangedEventArgs(ToolStripMenuSelectListItem item) {
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Item = item;
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}
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}
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/// <summary>
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/// Wrapper around the ToolStripMenuItem, which can contain an object
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/// Also the Checked property hides the normal checked property so we can render our own check
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/// </summary>
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public class ToolStripMenuSelectListItem : ToolStripMenuItem {
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public object Data {
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get;
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set;
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}
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}
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} |