1 // OpenTween - Client of Twitter
2 // Copyright (c) 2014 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
3 // All rights reserved.
5 // This file is part of OpenTween.
7 // This program is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 3 of the License, or (at your option)
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 // You should have received a copy of the GNU General Public License along
18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 // Boston, MA 02110-1301, USA.
23 using System.Collections.Generic;
26 using System.Windows.Forms;
27 using System.ComponentModel;
32 /// WinformsコントロールのBegin/EndUpdate等のメソッドをusingブロックによって呼び出すためのクラス
34 public static class ControlTransaction
36 public static IDisposable Update(ListView control)
38 return new Transaction<ListView>(control, x => x.BeginUpdate(), x => x.EndUpdate());
41 public static IDisposable Update(ListBox control)
43 return new Transaction<ListBox>(control, x => x.BeginUpdate(), x => x.EndUpdate());
46 public static IDisposable Update(ComboBox control)
48 return new Transaction<ComboBox>(control, x => x.BeginUpdate(), x => x.EndUpdate());
51 public static IDisposable Update(TreeView control)
53 return new Transaction<TreeView>(control, x => x.BeginUpdate(), x => x.EndUpdate());
56 public static IDisposable Update(Control control)
58 // Begin/EndUpdate メソッドを持たないコントロールに対しては、
59 // WM_SETREDRAW メッセージを直接コントロールに送信する。
60 return new Transaction<Control>(control,
61 x => Win32Api.SetRedrawState(x, false),
62 x => { Win32Api.SetRedrawState(x, true); x.Invalidate(true); });
65 public static IDisposable Layout(Control control)
67 return Layout(control, performLayout: true);
70 public static IDisposable Layout(Control control, bool performLayout)
72 return new Transaction<Control>(control, x => x.SuspendLayout(), x => x.ResumeLayout(performLayout));
75 public static IDisposable Init(ISupportInitialize control)
77 return new Transaction<ISupportInitialize>(control, x => x.BeginInit(), x => x.EndInit());
80 private class Transaction<T> : IDisposable
82 private readonly T control;
84 private readonly Action<T> beginTransaction;
85 private readonly Action<T> endTransaction;
87 internal Transaction(T control, Action<T> beginTrans, Action<T> endTrans)
89 this.control = control;
91 this.beginTransaction = beginTrans;
92 this.endTransaction = endTrans;
94 this.beginTransaction(this.control);
99 this.endTransaction(this.control);