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william |
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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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using System.Runtime.InteropServices; |
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using libWin32.Win32.Exceptions; |
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namespace libWin32.Win32.Input |
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{ |
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public class KeyTranslator |
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{ |
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const uint MAPVK_VK_TO_VSC = 0x00; |
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const uint MAPVK_VSC_TO_VK = 0x01; |
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const uint MAPVK_VK_TO_CHAR = 0x02; |
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const uint MAPVK_VSC_TO_VK_EX = 0x03; |
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const uint MAPVK_VK_TO_VSC_EX = 0x04; |
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[DllImport("user32.dll")] |
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static extern uint MapVirtualKey(uint uCode, uint uMapType); |
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public static void MapVirtualKeyToScanCode(short VKKey, out short ScanCode) |
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{ |
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ScanCode = 0; |
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short scanCode = (short)KeyTranslator.MapVirtualKey((uint)VKKey, MAPVK_VK_TO_VSC); |
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try |
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{ |
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ScanCode = scanCode; |
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} |
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catch (InvalidCastException ex) |
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{ |
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ScanCode = scanCode; |
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StringBuilder builder = new StringBuilder(); |
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builder.AppendFormat("VirtualKey: 0x{0:x2} translates to ScanCode: 0x{1:x8} which is not implemented.", VKKey, scanCode); |
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throw new UnimplimentedDirectXScanCodeException(builder.ToString(), ex); |
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} |
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} |
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public static void MapVirtualKeyToExtendedScanCode(short VKKey, out short ScanCode) |
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{ |
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ScanCode = 0; |
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short scanCode = (short)KeyTranslator.MapVirtualKey((uint)VKKey, MAPVK_VK_TO_VSC_EX); |
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try |
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{ |
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ScanCode = scanCode; |
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} |
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catch (InvalidCastException ex) |
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{ |
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ScanCode = scanCode; |
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StringBuilder builder = new StringBuilder(); |
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builder.AppendFormat("VirtualKey: 0x{0:x2} translates to ScanCode: 0x{1:x8} which is not implemented.", VKKey, scanCode); |
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throw new UnimplimentedDirectXScanCodeException(builder.ToString(), ex); |
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} |
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} |
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public static void MapScanCodeToVirtualKey(short ScanCode, out uint VKKey) |
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{ |
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uint vkKey = KeyTranslator.MapVirtualKey((uint)ScanCode, MAPVK_VSC_TO_VK); |
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VKKey = vkKey; |
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} |
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public static void MapScanCodeToExtendedVirtualKey(short ScanCode, out uint VKKey) |
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{ |
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uint vkKey = KeyTranslator.MapVirtualKey((uint)ScanCode, MAPVK_VSC_TO_VK_EX); |
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VKKey = vkKey; |
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} |
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public static void MapVirtualKeyToChar(byte VKKey, out char ScanCode) |
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{ |
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uint scanCode = KeyTranslator.MapVirtualKey((uint)VKKey, MAPVK_VK_TO_CHAR); |
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ScanCode = (char)scanCode; |
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} |
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} |
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} |
