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303 lines
11 KiB
C#
303 lines
11 KiB
C#
using System;
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using System.ComponentModel;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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using Point = System.Drawing.Point;
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namespace CodeWalker
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{
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////public static class Utils
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////{
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//// //unused
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//// //public static Bitmap ResizeImage(Image image, int width, int height)
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//// //{
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//// // var destRect = new Rectangle(0, 0, width, height);
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//// // var destImage = new Bitmap(width, height);
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//// // destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
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//// // using (var graphics = Graphics.FromImage(destImage))
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//// // {
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//// // graphics.CompositingMode = CompositingMode.SourceCopy;
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//// // graphics.CompositingQuality = CompositingQuality.HighQuality;
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//// // graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
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//// // graphics.SmoothingMode = SmoothingMode.HighQuality;
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//// // graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
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//// // using (var wrapMode = new ImageAttributes())
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//// // {
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//// // wrapMode.SetWrapMode(WrapMode.TileFlipXY);
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//// // graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, wrapMode);
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//// // }
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//// // }
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//// // return destImage;
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//// //}
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////}
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[EditorBrowsable(EditorBrowsableState.Never)]
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public static class ListViewExtensions
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{
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//from stackoverflow:
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//https://stackoverflow.com/questions/254129/how-to-i-display-a-sort-arrow-in-the-header-of-a-list-view-column-using-c
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[StructLayout(LayoutKind.Sequential)]
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public struct HDITEM
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{
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public Mask mask;
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public int cxy;
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[MarshalAs(UnmanagedType.LPTStr)] public string pszText;
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public IntPtr hbm;
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public int cchTextMax;
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public Format fmt;
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public IntPtr lParam;
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// _WIN32_IE >= 0x0300
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public int iImage;
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public int iOrder;
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// _WIN32_IE >= 0x0500
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public uint type;
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public IntPtr pvFilter;
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// _WIN32_WINNT >= 0x0600
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public uint state;
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[Flags]
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public enum Mask
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{
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Format = 0x4, // HDI_FORMAT
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};
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[Flags]
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public enum Format
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{
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SortDown = 0x200, // HDF_SORTDOWN
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SortUp = 0x400, // HDF_SORTUP
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};
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};
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public const int LVM_FIRST = 0x1000;
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public const int LVM_GETHEADER = LVM_FIRST + 31;
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public const int HDM_FIRST = 0x1200;
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public const int HDM_GETITEM = HDM_FIRST + 11;
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public const int HDM_SETITEM = HDM_FIRST + 12;
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr SendMessage(IntPtr hWnd, UInt32 msg, IntPtr wParam, IntPtr lParam);
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[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
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public static extern IntPtr SendMessage(IntPtr hWnd, UInt32 msg, IntPtr wParam, ref HDITEM lParam);
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public static void SetSortIcon(this ListView listViewControl, int columnIndex, SortOrder order)
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{
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IntPtr columnHeader = SendMessage(listViewControl.Handle, LVM_GETHEADER, IntPtr.Zero, IntPtr.Zero);
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for (int columnNumber = 0; columnNumber <= listViewControl.Columns.Count - 1; columnNumber++)
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{
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var columnPtr = new IntPtr(columnNumber);
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var item = new HDITEM
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{
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mask = HDITEM.Mask.Format
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};
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if (SendMessage(columnHeader, HDM_GETITEM, columnPtr, ref item) == IntPtr.Zero)
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{
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throw new Win32Exception();
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}
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if (order != SortOrder.None && columnNumber == columnIndex)
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{
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switch (order)
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{
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case SortOrder.Ascending:
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item.fmt &= ~HDITEM.Format.SortDown;
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item.fmt |= HDITEM.Format.SortUp;
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break;
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case SortOrder.Descending:
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item.fmt &= ~HDITEM.Format.SortUp;
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item.fmt |= HDITEM.Format.SortDown;
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break;
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}
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}
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else
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{
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item.fmt &= ~HDITEM.Format.SortDown & ~HDITEM.Format.SortUp;
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}
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if (SendMessage(columnHeader, HDM_SETITEM, columnPtr, ref item) == IntPtr.Zero)
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{
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throw new Win32Exception();
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}
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}
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}
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//private const int LVM_FIRST = 0x1000;
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private const int LVM_SETITEMSTATE = LVM_FIRST + 43;
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
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public struct LVITEM
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{
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public int mask;
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public int iItem;
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public int iSubItem;
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public int state;
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public int stateMask;
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[MarshalAs(UnmanagedType.LPTStr)]
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public string pszText;
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public int cchTextMax;
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public int iImage;
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public IntPtr lParam;
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public int iIndent;
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public int iGroupId;
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public int cColumns;
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public IntPtr puColumns;
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};
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[DllImport("user32.dll", EntryPoint = "SendMessage", CharSet = CharSet.Auto)]
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public static extern IntPtr SendMessageLVItem(IntPtr hWnd, int msg, int wParam, ref LVITEM lvi);
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/// <summary>
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/// Select all rows on the given listview
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/// </summary>
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/// <param name="list">The listview whose items are to be selected</param>
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public static void SelectAllItems(this ListView list)
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{
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SetItemState(list, -1, 2, 2);
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}
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/// <summary>
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/// Deselect all rows on the given listview
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/// </summary>
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/// <param name="list">The listview whose items are to be deselected</param>
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public static void DeselectAllItems(this ListView list)
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{
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SetItemState(list, -1, 2, 0);
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}
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/// <summary>
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/// Set the item state on the given item
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/// </summary>
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/// <param name="list">The listview whose item's state is to be changed</param>
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/// <param name="itemIndex">The index of the item to be changed</param>
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/// <param name="mask">Which bits of the value are to be set?</param>
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/// <param name="value">The value to be set</param>
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public static void SetItemState(ListView list, int itemIndex, int mask, int value)
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{
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LVITEM lvItem = new LVITEM();
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lvItem.stateMask = mask;
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lvItem.state = value;
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SendMessageLVItem(list.Handle, LVM_SETITEMSTATE, itemIndex, ref lvItem);
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}
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}
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public static class TextBoxExtension
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{
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private const int EM_SETTABSTOPS = 0x00CB;
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[DllImport("User32.dll", CharSet = CharSet.Auto)]
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private static extern IntPtr SendMessage(IntPtr h, int msg, int wParam, int[] lParam);
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public static Point GetCaretPosition(this TextBox textBox)
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{
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Point point = new Point(0, 0);
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if (textBox.Focused)
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{
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point.X = textBox.SelectionStart - textBox.GetFirstCharIndexOfCurrentLine() + 1;
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point.Y = textBox.GetLineFromCharIndex(textBox.SelectionStart) + 1;
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}
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return point;
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}
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public static void SetTabStopWidth(this TextBox textbox, int width)
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{
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SendMessage(textbox.Handle, EM_SETTABSTOPS, 1, new int[] { width * 4 });
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}
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}
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public static class Prompt
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{
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//handy utility to get a string from the user...
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public static string ShowDialog(IWin32Window owner, string text, string caption, string defaultvalue = "")
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{
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Form prompt = new Form()
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{
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Width = 450,
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Height = 150,
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FormBorderStyle = FormBorderStyle.FixedDialog,
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Text = caption,
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StartPosition = FormStartPosition.CenterParent,
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MaximizeBox = false,
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MinimizeBox = false
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};
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var textLabel = new Label() { Left = 30, Top = 20, Width = 370, Height = 20, Text = text, };
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var textBox = new TextBox() { Left = 30, Top = 40, Width = 370, Text = defaultvalue };
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var cancel = new Button() { Text = "Cancel", Left = 230, Width = 80, Top = 70, DialogResult = DialogResult.Cancel };
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var confirmation = new Button() { Text = "Ok", Left = 320, Width = 80, Top = 70, DialogResult = DialogResult.OK };
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cancel.Click += (sender, e) => { prompt.Close(); };
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confirmation.Click += (sender, e) => { prompt.Close(); };
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prompt.Controls.Add(textBox);
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prompt.Controls.Add(confirmation);
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prompt.Controls.Add(cancel);
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prompt.Controls.Add(textLabel);
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prompt.AcceptButton = confirmation;
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return prompt.ShowDialog(owner) == DialogResult.OK ? textBox.Text : "";
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}
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}
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//unused
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//public class AccurateTimer
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//{
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// private delegate void TimerEventDel(int id, int msg, IntPtr user, int dw1, int dw2);
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// private const int TIME_PERIODIC = 1;
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// private const int EVENT_TYPE = TIME_PERIODIC;// + 0x100; // TIME_KILL_SYNCHRONOUS causes a hang ?!
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// [DllImport("winmm.dll")]
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// private static extern int timeBeginPeriod(int msec);
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// [DllImport("winmm.dll")]
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// private static extern int timeEndPeriod(int msec);
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// [DllImport("winmm.dll")]
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// private static extern int timeSetEvent(int delay, int resolution, TimerEventDel handler, IntPtr user, int eventType);
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// [DllImport("winmm.dll")]
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// private static extern int timeKillEvent(int id);
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// Action mAction;
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// Form mForm;
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// private int mTimerId;
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// private TimerEventDel mHandler; // NOTE: declare at class scope so garbage collector doesn't release it!!!
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// public AccurateTimer(Form form, Action action, int delay)
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// {
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// mAction = action;
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// mForm = form;
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// timeBeginPeriod(1);
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// mHandler = new TimerEventDel(TimerCallback);
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// mTimerId = timeSetEvent(delay, 0, mHandler, IntPtr.Zero, EVENT_TYPE);
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// }
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// public void Stop()
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// {
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// int err = timeKillEvent(mTimerId);
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// timeEndPeriod(1);
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// System.Threading.Thread.Sleep(100);// Ensure callbacks are drained
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// }
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// private void TimerCallback(int id, int msg, IntPtr user, int dw1, int dw2)
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// {
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// if (mTimerId != 0) mForm.BeginInvoke(mAction);
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// }
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//}
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}
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