DotNet 4.8.1 build of DotNetBar

PROMS/DotNetBar Source Code/BarTextBox.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Windows.Forms;
+
+namespace DevComponents.DotNetBar
+{
+	/// <summary>
+	/// Summary description for BarTextBox.
+	/// </summary>
+	internal class BarTextBox:TextBox
+	{
+		private int m_LastFocusWindow;
+		private string m_OriginalText;
+		public BarTextBox()
+		{
+			this.BorderStyle=System.Windows.Forms.BorderStyle.None;
+			this.AutoSize=false;
+			this.TabStop=false;
+			m_LastFocusWindow=0;
+		}
+
+		protected override void WndProc(ref Message m)
+		{
+			if(m.Msg==NativeFunctions.WM_SETFOCUS)
+			{
+				m_LastFocusWindow=m.WParam.ToInt32();
+				m_OriginalText=this.Text;
+			}
+			base.WndProc(ref m);
+		}
+
+		public void ReleaseFocus()
+		{
+			if(this.Focused && m_LastFocusWindow!=0)
+			{
+				int focus=m_LastFocusWindow;
+				m_LastFocusWindow=0;
+				Control ctrl=Control.FromChildHandle(new System.IntPtr(focus));
+				if(ctrl!=this)
+				{
+					Control p=this.Parent;
+					while(p!=null)
+					{
+						if(p==ctrl)
+							return;
+						p=p.Parent;
+					}
+
+					if(ctrl!=null)
+						ctrl.Focus();
+					else
+					{
+						NativeFunctions.SetFocus(focus);
+					}
+				}
+                
+				//this.OnLostFocus(new System.EventArgs());
+				//this.InvokeLostFocus(this,new System.EventArgs());
+			}
+		}
+
+		protected override void OnKeyDown(KeyEventArgs e)
+		{
+			if(e.KeyCode==Keys.Enter)
+				ReleaseFocus();
+			else if(e.KeyCode==Keys.Escape)
+			{
+				this.Text=m_OriginalText;
+				ReleaseFocus();
+			}
+
+			base.OnKeyDown(e);
+		}
+
+		protected override void OnLostFocus(EventArgs e)
+		{
+			m_LastFocusWindow=0;
+			base.OnLostFocus(e);
+		}
+	}
+}