2013-11-03 23:53:49 +13:00
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#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (C) 2008-2013 ShareX Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using HelpersLib.Properties;
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.IO;
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using System.Windows.Forms;
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namespace HelpersLib
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{
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public partial class MyPictureBox : UserControl
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{
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public Image Image
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{
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get
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{
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return pbMain.Image;
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}
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private set
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{
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pbMain.Image = value;
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}
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}
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private string text;
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[EditorBrowsable(EditorBrowsableState.Always), Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible), Bindable(true)]
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public override string Text
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{
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get
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{
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return text;
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}
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set
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{
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text = value;
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if (string.IsNullOrEmpty(value))
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{
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lblStatus.Visible = false;
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}
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else
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{
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lblStatus.Text = value;
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lblStatus.Visible = true;
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}
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}
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}
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private bool drawCheckeredBackground;
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[DefaultValue(false)]
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public bool DrawCheckeredBackground
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{
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get
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{
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return drawCheckeredBackground;
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}
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set
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{
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drawCheckeredBackground = value;
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UpdateCheckers();
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}
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}
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[DefaultValue(false)]
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public bool FullscreenOnClick { get; set; }
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[DefaultValue(false)]
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public bool EnableRightClickMenu { get; set; }
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public new event MouseEventHandler MouseDown
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{
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add
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{
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pbMain.MouseDown += value;
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lblStatus.MouseDown += value;
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}
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remove
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{
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pbMain.MouseDown -= value;
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lblStatus.MouseDown -= value;
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}
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}
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2013-11-04 07:48:46 +13:00
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public new event MouseEventHandler MouseUp
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{
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add
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{
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pbMain.MouseUp += value;
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lblStatus.MouseUp += value;
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}
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remove
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{
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pbMain.MouseUp -= value;
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lblStatus.MouseUp -= value;
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}
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}
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public new event MouseEventHandler MouseClick
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{
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add
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{
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pbMain.MouseClick += value;
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lblStatus.MouseClick += value;
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}
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remove
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{
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pbMain.MouseClick -= value;
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lblStatus.MouseClick -= value;
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}
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}
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2013-11-03 23:53:49 +13:00
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private readonly object ImageLoadLock = new object();
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private bool isImageLoading;
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public MyPictureBox()
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{
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InitializeComponent();
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Text = string.Empty;
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pbMain.InitialImage = Resources.Loading;
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pbMain.LoadProgressChanged += pbMain_LoadProgressChanged;
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pbMain.LoadCompleted += pbMain_LoadCompleted;
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pbMain.Resize += pbMain_Resize;
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pbMain.MouseUp += MyPictureBox_MouseUp;
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MouseDown += MyPictureBox_MouseDown;
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}
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private void pbMain_Resize(object sender, EventArgs e)
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{
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UpdateCheckers();
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AutoSetSizeMode();
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}
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private void UpdateCheckers()
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{
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if (DrawCheckeredBackground)
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{
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if (pbMain.BackgroundImage == null || pbMain.BackgroundImage.Size != pbMain.ClientSize)
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{
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if (pbMain.BackgroundImage != null) pbMain.BackgroundImage.Dispose();
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pbMain.BackgroundImage = ImageHelpers.CreateCheckers(8, Color.LightGray, Color.White);
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}
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}
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else
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{
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if (pbMain.BackgroundImage != null) pbMain.BackgroundImage.Dispose();
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pbMain.BackgroundImage = null;
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}
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}
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public void LoadImage(Image img)
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{
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lock (ImageLoadLock)
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{
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if (!isImageLoading)
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{
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isImageLoading = true;
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Reset();
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Image = (Image)img.Clone();
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AutoSetSizeMode();
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isImageLoading = false;
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}
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}
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}
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public void LoadImageFromFile(string filePath)
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{
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lock (ImageLoadLock)
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{
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if (!isImageLoading)
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{
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isImageLoading = true;
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Reset();
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2013-11-21 06:59:00 +13:00
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Image = ImageHelpers.LoadImage(filePath);
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2013-11-03 23:53:49 +13:00
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AutoSetSizeMode();
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isImageLoading = false;
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}
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}
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}
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public void LoadImageFromFileAsync(string filePath)
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{
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if (!string.IsNullOrEmpty(filePath) && File.Exists(filePath))
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{
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LoadImageAsync(filePath);
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}
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}
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public void LoadImageFromURLAsync(string url)
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{
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if (!string.IsNullOrEmpty(url))
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{
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LoadImageAsync(url);
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}
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}
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private void LoadImageAsync(string path)
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{
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lock (ImageLoadLock)
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{
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if (!isImageLoading)
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{
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isImageLoading = true;
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Reset();
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Text = "Loading image...";
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lblStatus.Visible = true;
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pbMain.LoadAsync(path);
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}
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}
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}
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public void Reset()
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{
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if (!isImageLoading)
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{
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if (Image != null)
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{
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Image.Dispose();
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Image = null;
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}
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}
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if (FullscreenOnClick && Cursor != Cursors.Default)
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{
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Cursor = Cursors.Default;
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}
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}
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private void pbMain_LoadCompleted(object sender, AsyncCompletedEventArgs e)
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{
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lblStatus.Visible = false;
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AutoSetSizeMode();
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isImageLoading = false;
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}
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private void pbMain_LoadProgressChanged(object sender, ProgressChangedEventArgs e)
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{
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if (e.ProgressPercentage < 100)
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{
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Text = string.Format("Loading image: {0}%", e.ProgressPercentage);
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}
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}
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private void AutoSetSizeMode()
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{
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if (Image != null)
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{
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if (Image.Width > pbMain.ClientSize.Width || Image.Height > pbMain.ClientSize.Height)
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{
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pbMain.SizeMode = PictureBoxSizeMode.Zoom;
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}
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else
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{
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pbMain.SizeMode = PictureBoxSizeMode.CenterImage;
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}
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if (FullscreenOnClick)
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{
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Cursor = Cursors.Hand;
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}
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}
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}
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private void MyPictureBox_MouseDown(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left && FullscreenOnClick && !isImageLoading && Image != null)
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{
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ImageViewer.ShowImage(Image);
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}
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}
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private void MyPictureBox_MouseUp(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Right && EnableRightClickMenu && !isImageLoading && Image != null)
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{
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cmsMenu.Show(pbMain, e.X + 1, e.Y + 1);
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}
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}
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private void tsmiCopyImage_Click(object sender, EventArgs e)
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{
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if (!isImageLoading && Image != null)
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{
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ClipboardHelpers.CopyImage(Image);
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}
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}
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}
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}
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