mirror of
https://github.com/ShareX/ShareX.git
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485 lines
No EOL
16 KiB
C#
485 lines
No EOL
16 KiB
C#
#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) 2007-2024 ShareX Team
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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 ShareX.HelpersLib.Properties;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Reflection;
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using System.Windows.Forms;
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namespace ShareX.HelpersLib
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{
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public static class FormExtensions
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{
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public static void ForceActivate(this Form form)
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{
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if (!form.IsDisposed)
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{
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if (!form.Visible)
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{
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form.Show();
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}
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if (form.WindowState == FormWindowState.Minimized)
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{
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NativeMethods.ShowWindow(form.Handle, (int)WindowShowStyle.Restore);
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}
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form.Activate();
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form.BringToFront();
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}
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}
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public static void CloseOnEscape(this Form form)
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{
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bool escapePressed = false;
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form.KeyPreview = true;
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form.KeyDown += (sender, e) =>
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{
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if (e.KeyCode == Keys.Escape)
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{
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escapePressed = true;
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e.SuppressKeyPress = true;
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}
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};
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form.KeyUp += (sender, e) =>
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{
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if (e.KeyCode == Keys.Escape && escapePressed)
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{
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escapePressed = false;
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form.DialogResult = DialogResult.Cancel;
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form.Close();
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}
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};
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}
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public static void InvokeSafe(this Control control, Action action)
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{
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if (control != null && !control.IsDisposed)
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{
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if (control.InvokeRequired)
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{
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control.Invoke(action);
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}
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else
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{
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action();
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}
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}
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}
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public static void ChangeFontStyle(this Control control, FontStyle fontStyle)
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{
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control.Font = new Font(control.Font, fontStyle);
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}
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public static void BeginUpdate(this RichTextBox rtb)
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{
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NativeMethods.SendMessage(rtb.Handle, (int)WindowsMessages.SETREDRAW, 0, 0);
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}
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public static void EndUpdate(this RichTextBox rtb)
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{
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NativeMethods.SendMessage(rtb.Handle, (int)WindowsMessages.SETREDRAW, 1, 0);
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rtb.Invalidate();
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}
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public static void SetFontRegular(this RichTextBox rtb)
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{
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rtb.SelectionFont = new Font(rtb.Font, FontStyle.Regular);
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}
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public static void SetFontBold(this RichTextBox rtb)
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{
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rtb.SelectionFont = new Font(rtb.Font, FontStyle.Bold);
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}
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public static void AppendText(this RichTextBox rtb, string text, FontStyle fontStyle, float fontSize = 0)
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{
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Font font;
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if (fontSize > 0)
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{
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font = new Font(rtb.Font.FontFamily, fontSize, fontStyle);
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}
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else
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{
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font = new Font(rtb.Font, fontStyle);
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}
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rtb.SelectionFont = font;
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rtb.AppendText(text);
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}
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public static void AppendLine(this RichTextBox rtb, string text = "")
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{
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rtb.AppendText(text + Environment.NewLine);
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}
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public static void AppendLine(this RichTextBox rtb, string text, FontStyle fontStyle, float fontSize = 0)
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{
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rtb.AppendText(text + Environment.NewLine, fontStyle, fontSize);
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}
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public static void AddContextMenu(this RichTextBox rtb)
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{
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if (rtb.ContextMenuStrip == null)
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{
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ContextMenuStrip cms = new ContextMenuStrip()
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{
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ShowImageMargin = false
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};
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ToolStripMenuItem tsmiUndo = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_Undo);
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tsmiUndo.Click += (sender, e) => rtb.Undo();
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cms.Items.Add(tsmiUndo);
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ToolStripMenuItem tsmiRedo = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_Redo);
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tsmiRedo.Click += (sender, e) => rtb.Redo();
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cms.Items.Add(tsmiRedo);
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cms.Items.Add(new ToolStripSeparator());
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ToolStripMenuItem tsmiCut = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_Cut);
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tsmiCut.Click += (sender, e) => rtb.Cut();
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cms.Items.Add(tsmiCut);
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ToolStripMenuItem tsmiCopy = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_Copy);
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tsmiCopy.Click += (sender, e) => rtb.Copy();
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cms.Items.Add(tsmiCopy);
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ToolStripMenuItem tsmiPaste = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_Paste);
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tsmiPaste.Click += (sender, e) => rtb.Paste();
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cms.Items.Add(tsmiPaste);
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ToolStripMenuItem tsmiDelete = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_Delete);
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tsmiDelete.Click += (sender, e) => rtb.SelectedText = "";
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cms.Items.Add(tsmiDelete);
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cms.Items.Add(new ToolStripSeparator());
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ToolStripMenuItem tsmiSelectAll = new ToolStripMenuItem(Resources.Extensions_AddContextMenu_SelectAll);
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tsmiSelectAll.Click += (sender, e) => rtb.SelectAll();
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cms.Items.Add(tsmiSelectAll);
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cms.Opening += (sender, e) =>
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{
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tsmiUndo.Enabled = !rtb.ReadOnly && rtb.CanUndo;
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tsmiRedo.Enabled = !rtb.ReadOnly && rtb.CanRedo;
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tsmiCut.Enabled = !rtb.ReadOnly && rtb.SelectionLength > 0;
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tsmiCopy.Enabled = rtb.SelectionLength > 0;
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tsmiPaste.Enabled = !rtb.ReadOnly && ClipboardHelpers.ContainsText();
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tsmiDelete.Enabled = !rtb.ReadOnly && rtb.SelectionLength > 0;
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tsmiSelectAll.Enabled = rtb.TextLength > 0 && rtb.SelectionLength < rtb.TextLength;
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};
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rtb.ContextMenuStrip = cms;
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}
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}
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public static void SupportSelectAll(this TextBox tb)
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{
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tb.KeyDown += (sender, e) =>
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{
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if (e.KeyData == (Keys.Control | Keys.A))
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{
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tb.SelectAll();
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e.SuppressKeyPress = true;
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}
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};
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}
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public static void SetWatermark(this TextBox textBox, string watermarkText, bool showCueWhenFocus = false)
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{
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if (textBox != null && textBox.IsHandleCreated && watermarkText != null)
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{
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NativeMethods.SendMessage(textBox.Handle, (int)NativeConstants.EM_SETCUEBANNER, showCueWhenFocus ? 1 : 0, watermarkText);
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}
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}
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public static void AppendTextToSelection(this TextBoxBase tb, string text)
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{
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if (!string.IsNullOrEmpty(text))
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{
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int start = tb.SelectionStart;
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tb.Text = tb.Text.Insert(start, text);
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tb.SelectionStart = start + text.Length;
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}
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}
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public static void RadioCheck(this ToolStripMenuItem tsmi)
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{
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ToolStripDropDownItem tsddiParent = tsmi.OwnerItem as ToolStripDropDownItem;
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foreach (ToolStripMenuItem tsmiChild in tsddiParent.DropDownItems.OfType<ToolStripMenuItem>())
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{
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tsmiChild.Checked = tsmiChild == tsmi;
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}
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}
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public static void UpdateCheckedAll(this ToolStripMenuItem tsmi, bool check)
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{
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foreach (ToolStripMenuItem tsmiChild in tsmi.DropDownItems.OfType<ToolStripMenuItem>())
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{
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tsmiChild.Checked = check;
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}
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}
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public static void RadioCheck(this ToolStripButton tsb)
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{
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ToolStrip parent = tsb.GetCurrentParent();
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foreach (ToolStripButton tsbParent in parent.Items.OfType<ToolStripButton>())
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{
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if (tsbParent != tsb)
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{
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tsbParent.Checked = false;
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}
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}
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tsb.Checked = true;
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}
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public static void SupportCustomTheme(this ListView lv)
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{
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if (!lv.OwnerDraw)
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{
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lv.OwnerDraw = true;
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lv.DrawItem += (sender, e) =>
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{
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e.DrawDefault = true;
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};
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lv.DrawSubItem += (sender, e) =>
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{
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e.DrawDefault = true;
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};
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lv.DrawColumnHeader += (sender, e) =>
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{
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if (ShareXResources.UseCustomTheme)
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{
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using (Brush brush = new SolidBrush(ShareXResources.Theme.BackgroundColor))
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{
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e.Graphics.FillRectangle(brush, e.Bounds);
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}
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TextRenderer.DrawText(e.Graphics, e.Header.Text, e.Font, e.Bounds.LocationOffset(2, 0).SizeOffset(-4, 0), ShareXResources.Theme.TextColor,
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TextFormatFlags.Left | TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
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if (e.Bounds.Right < lv.ClientRectangle.Right)
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{
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using (Pen pen = new Pen(ShareXResources.Theme.SeparatorDarkColor))
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using (Pen pen2 = new Pen(ShareXResources.Theme.SeparatorLightColor))
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{
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e.Graphics.DrawLine(pen, e.Bounds.Right - 2, e.Bounds.Top, e.Bounds.Right - 2, e.Bounds.Bottom - 1);
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e.Graphics.DrawLine(pen2, e.Bounds.Right - 1, e.Bounds.Top, e.Bounds.Right - 1, e.Bounds.Bottom - 1);
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}
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}
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}
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else
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{
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e.DrawDefault = true;
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}
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};
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}
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}
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public static void MoveUp(this ListViewItem lvi)
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{
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ListView lv = lvi.ListView;
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if (lv.Items.Count > 1)
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{
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int index = lvi.Index;
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if (index == 0)
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{
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index = lv.Items.Count - 1;
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}
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else
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{
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index--;
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}
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lv.Items.Remove(lvi);
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lv.Items.Insert(index, lvi);
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}
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lv.Focus();
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lvi.EnsureVisible();
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lvi.Selected = true;
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}
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public static void MoveDown(this ListViewItem lvi)
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{
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ListView lv = lvi.ListView;
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if (lv.Items.Count > 1)
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{
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int index = lvi.Index;
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if (index == lv.Items.Count - 1)
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{
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index = 0;
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}
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else
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{
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index++;
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}
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lv.Items.Remove(lvi);
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lv.Items.Insert(index, lvi);
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}
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lv.Focus();
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lvi.EnsureVisible();
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lvi.Selected = true;
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}
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public static void HideImageMargin(this ToolStripDropDownItem tsddi)
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{
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((ToolStripDropDownMenu)tsddi.DropDown).ShowImageMargin = false;
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}
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public static void DisableMenuCloseOnClick(this ToolStripDropDownItem tsddi)
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{
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tsddi.DropDown.Closing -= DisableMenuCloseOnClick_DropDown_Closing;
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tsddi.DropDown.Closing += DisableMenuCloseOnClick_DropDown_Closing;
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}
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private static void DisableMenuCloseOnClick_DropDown_Closing(object sender, ToolStripDropDownClosingEventArgs e)
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{
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e.Cancel = e.CloseReason == ToolStripDropDownCloseReason.ItemClicked;
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}
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public static void SetValue(this NumericUpDown nud, decimal number)
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{
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nud.Value = number.Clamp(nud.Minimum, nud.Maximum);
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}
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public static void SetValue(this TrackBar tb, int number)
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{
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tb.Value = number.Clamp(tb.Minimum, tb.Maximum);
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}
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public static bool IsValidImage(this PictureBox pb)
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{
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return pb.Image != null && pb.Image != pb.InitialImage && pb.Image != pb.ErrorImage;
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}
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public static void IgnoreSeparatorClick(this ContextMenuStrip cms)
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{
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bool cancelClose = false;
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cms.ItemClicked += (sender, e) =>
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{
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cancelClose = e.ClickedItem is ToolStripSeparator;
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};
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cms.Closing += (sender, e) =>
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{
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if (e.CloseReason == ToolStripDropDownCloseReason.ItemClicked && cancelClose)
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{
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e.Cancel = true;
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}
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};
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}
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public static void RefreshItems(this ComboBox cb)
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{
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typeof(ComboBox).InvokeMember("RefreshItems", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod, null, cb, new object[] { });
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}
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public static void AutoSizeDropDown(this ComboBox cb)
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{
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int maxWidth = 0;
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int verticalScrollBarWidth = cb.Items.Count > cb.MaxDropDownItems ? SystemInformation.VerticalScrollBarWidth : 0;
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foreach (object item in cb.Items)
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{
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int tempWidth = TextRenderer.MeasureText(cb.GetItemText(item), cb.Font).Width + verticalScrollBarWidth;
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if (tempWidth > maxWidth)
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{
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maxWidth = tempWidth;
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}
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}
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cb.DropDownWidth = maxWidth;
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}
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public static void RefreshItem(this ListBox lb, int index)
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{
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typeof(ListBox).InvokeMember("RefreshItem", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod, null, lb, new object[] { index });
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}
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public static void RefreshSelectedItem(this ListBox lb)
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{
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if (lb.SelectedIndex > -1)
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{
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lb.RefreshItem(lb.SelectedIndex);
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}
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}
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public static void RefreshItems(this ListBox lb)
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{
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typeof(ListBox).InvokeMember("RefreshItems", BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.InvokeMethod, null, lb, new object[] { });
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}
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public static void DoubleBuffered(this DataGridView dgv, bool value)
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{
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PropertyInfo pi = dgv.GetType().GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
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pi.SetValue(dgv, value, null);
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}
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public static IEnumerable<TreeNode> All(this TreeNodeCollection nodes)
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{
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foreach (TreeNode node in nodes)
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{
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yield return node;
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foreach (TreeNode child in node.Nodes.All())
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{
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yield return child;
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}
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}
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}
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public static void SelectTabWithoutFocus(this TabControl tabControl, TabPage tabPage)
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{
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tabControl.Enabled = false;
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tabControl.SelectedTab = tabPage;
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tabControl.Enabled = true;
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}
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}
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} |