AppliStation/AppliStation.Util/NativeMethods.cs

   1 using System;\r
   2 using System.Runtime.InteropServices;\r
   3 using System.Windows.Forms;\r
   4 \r
   5 namespace AppliStation.Util\r
   6 {\r
   7         /// <summary>\r
   8         /// Win32ネイティブメソッドを叩いてGUI操作するための関数群のクラス\r
   9         /// </summary>\r
  10         public sealed class NativeMethods\r
  11         {\r
  12                 /// <summary>\r
  13                 /// 呼び出し禁止\r
  14                 /// </summary>\r
  15                 private NativeMethods()\r
  16                 {\r
  17                 }\r
  18                 \r
  19                 \r
  20                 /// <summary>\r
  21                 /// WindowsVista向け、プログレスバーステータス(色)を設定する\r
  22                 /// </summary>\r
  23                 /// <param name="progBar">対象のプログレスバー</param>\r
  24                 /// <param name="state">状態。(1:Normal,2:Error,3:Paused)</param>\r
  25                 public static void ProgressBar_SetState(ProgressBar progBar, uint state)\r
  26                 {\r
  27                         try {\r
  28                                 // status := (PBST_NORMAL | PBST_ERROR | PBST_PAUSED)\r
  29                                 // SendMessage(progressBar.Handle, PBM_SETSTATE, state, 0);\r
  30                                 SendMessage(progBar.Handle, 0x410, state, 0);\r
  31                         } catch (Exception) {\r
  32                         }\r
  33                 }\r
  34                 \r
  35                 #region タスクバーおよびタイトルバーのフラッシュ\r
  36                 \r
  37                 /// <summary>\r
  38                 /// タスクバーおよびタイトルバーボタンのフラッシュの設定フラグ\r
  39                 /// </summary>\r
  40                 public enum FlashFlag : uint {\r
  41                         /// <summary>\r
  42                         /// 点滅の停止\r
  43                         /// </summary>\r
  44                         Stop = 0,\r
  45                         /// <summary>\r
  46                         /// タイトルバーを点滅\r
  47                         /// </summary>\r
  48                         Caption = 1,\r
  49                         /// <summary>\r
  50                         /// タスクバーボタンを点滅\r
  51                         /// </summary>\r
  52                         Tray = 2,\r
  53                         /// <summary>\r
  54                         /// タイトルバーとタスクバーボタンを点滅\r
  55                         /// </summary>\r
  56                         All = 3,\r
  57                         /// <summary>\r
  58                         /// Stopが設定されるまで点滅する\r
  59                         /// </summary>\r
  60                         Timer = 4,\r
  61                         /// <summary>\r
  62                         /// フォアグラウンドの状態になるまで点滅\r
  63                         /// </summary>\r
  64                         TimerNoFG = 12,\r
  65                 }\r
  66                 \r
  67                 [StructLayout(LayoutKind.Sequential)]\r
  68                 struct FLASHWINFO\r
  69                 {\r
  70                     public int cbSize;\r
  71                     public IntPtr hWnd;\r
  72                     public FlashFlag dwFlags;\r
  73                     public uint uCount;\r
  74                     public uint dwTimeout;\r
  75                 }\r
  76                 \r
  77                 /// <summary>\r
  78                 /// タスクバーおよびタイトルバーボタンを点滅させる\r
  79                 /// </summary>\r
  80                 /// <param name="form">対象フォーム</param>\r
  81                 /// <param name="flag">点滅パラメータフラグ</param>\r
  82                 /// <param name="count">点滅回数</param>\r
  83                 /// <param name="timeout">点滅の間隔(ミリ秒)</param>\r
  84                 /// <returns></returns>\r
  85                 public static bool Form_FlashWindow(Form form, FlashFlag flag, uint count, uint timeout)\r
  86                 {\r
  87                         try {\r
  88                                 FLASHWINFO info = new FLASHWINFO();\r
  89                                 info.cbSize = Marshal.SizeOf(typeof(FLASHWINFO));\r
  90                                 info.hWnd = form.Handle;\r
  91                                 info.dwFlags = flag;\r
  92                                 info.uCount = count;\r
  93                                 info.dwTimeout = timeout;\r
  94                                 \r
  95                                 return FlashWindowEx(ref info) == 0;\r
  96                         } catch (Exception) {\r
  97                                 return false;\r
  98                         }\r
  99                 }\r
 100                 \r
 101                 [DllImport("user32.dll")]\r
 102                 static extern Int32 FlashWindowEx(ref FLASHWINFO pwfi);\r
 103                 \r
 104                 #endregion\r
 105                 \r
 106                 #region ColumnHeaderのソートの三角印用\r
 107                 \r
 108                 [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]\r
 109                 internal struct HD_ITEM\r
 110                 {\r
 111                         public uint    mask;\r
 112                         public int     cxy;\r
 113                         [MarshalAs(UnmanagedType.LPTStr)]public string   pszText;\r
 114                         public IntPtr   hbm;\r
 115                         public int     cchTextMax;\r
 116                         public int     fmt;\r
 117                         [MarshalAs(UnmanagedType.LPTStr)]public string  lParam;\r
 118                         public int     iImage;        // index of bitmap in ImageList\r
 119                         public int     iOrder;\r
 120                 }\r
 121                 \r
 122                 internal static IntPtr ListView_GetHeader(ListView listview)\r
 123                 {\r
 124                         // SendMessage(hWnd, LVM_GETHEADER, 0, NULL);\r
 125                         return SendMessage(listview.Handle, 0x101E, 0, 0);\r
 126                 }\r
 127                 \r
 128                 /// <summary>\r
 129                 /// WinXP以降、ソートの矢印を表示\r
 130                 /// </summary>\r
 131                 /// <param name="listView">対象のListView</param>\r
 132                 /// <param name="column">表示する矢印のヘッダ</param>\r
 133                 /// <param name="order">ソートの昇順・降順</param>\r
 134                 public static void ColumnHeader_SetSortState(ListView listView, int column, SortOrder order)\r
 135                 {\r
 136                         try {\r
 137                                 // SendMessage(hWnd, LVM_GETHEADER, NULL, NULL);\r
 138                                 IntPtr hWnd = SendMessage(listView.Handle, 0x101F, 0, 0);\r
 139                                 \r
 140                                 HD_ITEM hdi = new HD_ITEM();\r
 141                                 hdi.mask = 0x0004; // HDI_FORMAT;\r
 142                                 for (int i = 0; i < listView.Columns.Count; i++) {\r
 143                                         // SendMessage(hWnd, HDM_GETITEMW, i, &hdi);\r
 144                                         SendMessage(hWnd, 0x120b, i, ref hdi);\r
 145                                         \r
 146                                         const int HDF_SORTUP = 0x400;\r
 147                                         const int HDF_SORTDOWN = 0x200;\r
 148                                         \r
 149                                         if (i != column || order == SortOrder.None) {\r
 150                                                 hdi.fmt = hdi.fmt & ~(HDF_SORTUP | HDF_SORTDOWN);\r
 151                                         } else if (order == SortOrder.Ascending) { // 昇順\r
 152                                                 hdi.fmt = hdi.fmt & ~HDF_SORTDOWN | HDF_SORTUP;\r
 153                                         } else if (order == SortOrder.Descending) { // 降順\r
 154                                                 hdi.fmt = hdi.fmt & ~HDF_SORTUP | HDF_SORTDOWN;\r
 155                                         }\r
 156                                         \r
 157                                         // SendMessage(hWnd, HDM_SETITEMW, i, &hdi);\r
 158                                         SendMessage(hWnd, 0x120c, i, ref hdi);\r
 159                                 }\r
 160                         } catch (Exception) {\r
 161                         }\r
 162                 }\r
 163                 \r
 164                 #endregion\r
 165                 \r
 166                 #region EnableWindow(コメントアウト)\r
 167 //              /// <summary>\r
 168 //              /// 指定されたコントロール(ウィンドウ)への、\r
 169 //              /// キーボード入力およびマウス入力を有効化または無効化\r
 170 //              /// </summary>\r
 171 //              /// <param name="control">対象のコントロールのハンドラ</param>\r
 172 //              /// <param name="bEnable">有効にするか無効にするかを指定</param>\r
 173 //              /// <returns>直前にウィンドウが無効状態だった場合はtrueを返す</returns>\r
 174 //              public static bool Control_EnableWindow(Control ctrl, bool bEnable)\r
 175 //              {\r
 176 //                      try {\r
 177 //                              return EnableWindow(ctrl.Handle, bEnable);\r
 178 //                      } catch {\r
 179 //                              ctrl.Enabled = bEnable;\r
 180 //                              return true;\r
 181 //                      }\r
 182 //              }\r
 183 //              \r
 184 //              /// <summary>\r
 185 //              /// 指定されたコントロール(ウィンドウ)への、\r
 186 //              /// キーボード入力およびマウス入力を有効化または無効化\r
 187 //              /// </summary>\r
 188 //              /// <param name="control">対象のコントロールのハンドラ</param>\r
 189 //              /// <param name="bEnable">有効にするか無効にするかを指定</param>\r
 190 //              /// <returns>直前にウィンドウが無効状態だった場合はtrueを返す</returns>\r
 191 //              [DllImport("user32.dll")]\r
 192 //              public static extern bool EnableWindow(IntPtr hWnd, bool bEnable);\r
 193                 #endregion\r
 194                 \r
 195                 [DllImport("user32.dll", CharSet=CharSet.Auto)]\r
 196                 internal static extern IntPtr SendMessage( IntPtr hWnd, UInt32 Msg, UInt32 wParam, UInt32 lParam);\r
 197                 \r
 198                 [DllImport("user32.dll", CharSet=CharSet.Auto)]\r
 199                 internal static extern IntPtr SendMessage( IntPtr hWnd, UInt32 Msg, int wParam, ref HD_ITEM lParam);\r
 200         }\r
 201 }\r