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