TextHelper.cs
Description du code
TextHelper.cs est un fichier du projet BrolDev.Ce fichier est situé dans /var/www/bin/sniplets/bibliobrol/broldev/src/.
Projet BrolDev : Librairie de composants réutilisables pour les applications BrolDev en CSharp.
Code source ou contenu du fichier
Code c# (TextHelper.cs) (268 lignes)
using System; using System.Drawing; using System.Runtime.InteropServices; namespace be.gaudry.model { public class TextHelper { public enum KEY { CANCEL = 0x03, BACK = 0x08, TAB = 0x09, CLEAR = 0x0C, RETURN = 0x0D, SHIFT = 0x10, CONTROL = 0x11, ALT = 0x12, PAUSE = 0x13 }; #region key values info /* VK_LBUTTON = 0x01, VK_RBUTTON = 0x02, VK_CANCEL = 0x03, VK_MBUTTON = 0x04 , // NOT contiguous with L & RBUTTON VK_BACK = 0x08, VK_TAB = 0x09, VK_CLEAR = 0x0C, VK_RETURN = 0x0D, VK_SHIFT = 0x10, VK_CONTROL = 0x11, VK_MENU = 0x12, VK_PAUSE = 0x13, VK_CAPITAL = 0x14, VK_KANA = 0x15, VK_HANGEUL = 0x15, // old name - should be here for compatibility VK_HANGUL = 0x15, VK_JUNJA = 0x17, VK_FINAL = 0x18, VK_HANJA = 0x19, VK_KANJI = 0x19, VK_ESCAPE = 0x1B, VK_CONVERT = 0x1C, VK_NONCONVERT = 0x1D, VK_ACCEPT = 0x1E, VK_MODECHANGE = 0x1F, VK_SPACE = 0x20, VK_PRIOR = 0x21, VK_NEXT = 0x22, VK_END = 0x23, VK_HOME = 0x24, VK_LEFT = 0x25, VK_UP = 0x26, VK_RIGHT = 0x27, VK_DOWN = 0x28, VK_SELECT = 0x29, VK_PRINT = 0x2A, VK_EXECUTE = 0x2B, VK_SNAPSHOT = 0x2C, VK_INSERT = 0x2D, VK_DELETE = 0x2E, VK_HELP = 0x2F, VK_0 = 0x30, VK_1 = 0x31, VK_2 = 0x32, VK_3 = 0x33, VK_4 = 0x34, VK_5 = 0x35, VK_6 = 0x36, VK_7 = 0x37, VK_8 = 0x38, VK_9 = 0x39, VK_A = 0x41, VK_B = 0x42, VK_C = 0x43, VK_D = 0x44, VK_E = 0x45, VK_F = 0x46, VK_G = 0x47, VK_H = 0x48, VK_I = 0x49, VK_J = 0x4A, VK_K = 0x4B, VK_L = 0x4C, VK_M = 0x4D, VK_N = 0x4E, VK_O = 0x4F, VK_P = 0x50, VK_Q = 0x51, VK_R = 0x52, VK_S = 0x53, VK_T = 0x54, VK_U = 0x55, VK_V = 0x56, VK_W = 0x57, VK_X = 0x58, VK_Y = 0x59, VK_Z = 0x5A, VK_LWIN = 0x5B, VK_RWIN = 0x5C, VK_APPS = 0x5D, VK_SLEEP = 0x5F, VK_NUMPAD0 = 0x60, VK_NUMPAD1 = 0x61, VK_NUMPAD2 = 0x62, VK_NUMPAD3 = 0x63, VK_NUMPAD4 = 0x64, VK_NUMPAD5 = 0x65, VK_NUMPAD6 = 0x66, VK_NUMPAD7 = 0x67, VK_NUMPAD8 = 0x68, VK_NUMPAD9 = 0x69, VK_MULTIPLY = 0x6A, VK_ADD = 0x6B, VK_SEPARATOR = 0x6C, VK_SUBTRACT = 0x6D, VK_DECIMAL = 0x6E, VK_DIVIDE = 0x6F, VK_F1 = 0x70, VK_F2 = 0x71, VK_F3 = 0x72, VK_F4 = 0x73, VK_F5 = 0x74, VK_F6 = 0x75, VK_F7 = 0x76, VK_F8 = 0x77, VK_F9 = 0x78, VK_F10 = 0x79, VK_F11 = 0x7A, VK_F12 = 0x7B, VK_F13 = 0x7C, VK_F14 = 0x7D, VK_F15 = 0x7E, VK_F16 = 0x7F, VK_F17 = 0x80, VK_F18 = 0x81, VK_F19 = 0x82, VK_F20 = 0x83, VK_F21 = 0x84, VK_F22 = 0x85, VK_F23 = 0x86, VK_F24 = 0x87, VK_NUMLOCK = 0x90, VK_SCROLL = 0x91, VK_OEM_NEC_EQUAL = 0x92, // '=' key on numpad VK_OEM_FJ_JISHO = 0x92, // 'Dictionary' key VK_OEM_FJ_MASSHOU = 0x93, // 'Unregister word' key VK_OEM_FJ_TOUROKU = 0x94, // 'Register word' key VK_OEM_FJ_LOYA = 0x95, // 'Left OYAYUBI' key VK_OEM_FJ_ROYA = 0x96, // 'Right OYAYUBI' key VK_LSHIFT = 0xA0, VK_RSHIFT = 0xA1, VK_LCONTROL = 0xA2, VK_RCONTROL = 0xA3, VK_LMENU = 0xA4, VK_RMENU = 0xA5, VK_OEM_1 = 0xBA, // ';:' for US VK_OEM_PLUS = 0xBB, // '+' any country VK_OEM_COMMA = 0xBC, // ',' any country VK_OEM_MINUS = 0xBD, // '-' any country VK_OEM_PERIOD = 0xBE, // '.' any country VK_OEM_2 = 0xBF, // '/?' for US VK_OEM_3 = 0xC0, // '`~' for US VK_ATTN = 0xF6, VK_CRSEL = 0xF7, VK_EXSEL = 0xF8, VK_EREOF = 0xF9, VK_PLAY = 0xFA, VK_ZOOM = 0xFB, VK_NONAME = 0xFC, VK_PA1 = 0xFD, VK_OEM_CLEAR = 0xFE */ #endregion #region Unmanaged Code [DllImport("user32", CharSet = CharSet.Auto, EntryPoint = "SendMessage")] private extern static int SendMessageInt( IntPtr handle, int msg, int wParam, int lParam ); private const int EM_LINEINDEX = 0x00BB; private const int EM_POSFROMCHAR = 0x00D6; private const int EM_CHARFROMPOS = 0x00D7; [DllImport("user32")] private static extern int GetKeyState(KEY key); #endregion public static bool isKeyDown(KEY key) { return (((int)GetKeyState(key)) & 0x8000) == 0x8000; } /// <summary> /// Returns the index of the character under the specified /// point in the control, or the nearest character if there /// is no character under the point. /// </summary> /// <param name="txt">The text box control to check.</param> /// <param name="pt">The point to find the character for, /// specified relative to the client area of the text box.</param> /// <returns>(int) index of the character under the specified /// point in the control</returns> public static int CharFromPos( System.Windows.Forms.TextBox txt, Point pt ) { { // Convert the point into a DWord with horizontal position // in the loword and vertical position in the hiword: int xy = (pt.X & 0xFFFF) + ((pt.Y & 0xFFFF) << 16); // Get the position from the text box. int res = SendMessageInt(txt.Handle, EM_CHARFROMPOS, 0, xy); // the Platform SDK appears to be incorrect on this matter. // the hiword is the line number and the loword is the index // of the character on this line int lineNumber = ((res & 0xFFFF) >> 16); int charIndex = (res & 0xFFFF); // Find the index of the first character on the line within // the control: int lineStartIndex = SendMessageInt(txt.Handle, EM_LINEINDEX, lineNumber, 0); // Return the combined index: return lineStartIndex + charIndex; } } /// <summary> /// Returns the position of the specified character /// </summary> /// <param name="txt">The text box to find the character in.</param> /// <param name="charIndex">The index of the character whose /// position needs to be found.</param> /// <returns>The position of the character relative to the client /// area of the control.</returns> public static Point PosFromChar( System.Windows.Forms.TextBox txt, int charIndex ) { { int xy = SendMessageInt(txt.Handle, EM_POSFROMCHAR, charIndex, 0); } } // private constructor, methods are static private TextHelper() { // intentionally left blank } } }
Structure et Fichiers du projet
Afficher/masquer...Icône | Nom | Taille | Modification |
Icône | Nom | Taille | Modification |
| _ | Répertoire parent | 0 octets | 1734955906 23/12/2024 13:11:46 |
| _ | config | 0 octets | 1541007188 31/10/2018 18:33:08 |
| _ | enums | 0 octets | 1541007189 31/10/2018 18:33:09 |
| _ | exceptions | 0 octets | 1541007189 31/10/2018 18:33:09 |
| _ | drawing | 0 octets | 1541007188 31/10/2018 18:33:08 |
| _ | win32 | 0 octets | 1541007190 31/10/2018 18:33:10 |
| _ | file | 0 octets | 1541007190 31/10/2018 18:33:10 |
| _ | comparators | 0 octets | 1541007188 31/10/2018 18:33:08 |
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Vielen Dank im Voraus.
Dokument erstellt 16/10/2009, zuletzt geändert 26/10/2018
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/cs-broldev-source-rf-model/TextHelper.cs.html
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