1. limit the windows' minimized size

2. store window's size & position in config file.
3. fix: scroll bar sometimes disappear while sizing the window.

shadowsocks-csharp/Model/LogViewerConfig.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Drawing;
+using System.Windows.Forms;
 
 namespace Shadowsocks.Model
 {
@@ -13,6 +14,10 @@ namespace Shadowsocks.Model
         public bool topMost;
         public bool wrapText;
         public bool toolbarShown;
+        public int width;
+        public int height;
+        public int top;
+        public int left;
 
         public LogViewerConfig()
         {
@@ -23,6 +28,10 @@ namespace Shadowsocks.Model
             this.topMost = false;
             this.wrapText = false;
             this.toolbarShown = false;
+            this.width = 600;
+            this.height = 400;
+            this.top = (Screen.PrimaryScreen.WorkingArea.Height - height) / 2;
+            this.left = (Screen.PrimaryScreen.WorkingArea.Width - width) / 2;
         }
 
         public Color GetBackgroundColor()

shadowsocks-csharp/View/LogForm.Designer.cs

@@ -63,7 +63,7 @@
             this.LogMessageTextBox.Name = "LogMessageTextBox";
             this.LogMessageTextBox.ReadOnly = true;
             this.LogMessageTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Both;
-            this.LogMessageTextBox.Size = new System.Drawing.Size(584, 377);
+            this.LogMessageTextBox.Size = new System.Drawing.Size(378, 99);
             this.LogMessageTextBox.TabIndex = 0;
             // 
             // MainMenu
@@ -199,7 +199,7 @@
             this.tableLayoutPanel1.RowCount = 2;
             this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
             this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle());
-            this.tableLayoutPanel1.Size = new System.Drawing.Size(590, 418);
+            this.tableLayoutPanel1.Size = new System.Drawing.Size(384, 140);
             this.tableLayoutPanel1.TabIndex = 2;
             // 
             // ToolbarFlowLayoutPanel
@@ -212,16 +212,17 @@
             this.ToolbarFlowLayoutPanel.Dock = System.Windows.Forms.DockStyle.Fill;
             this.ToolbarFlowLayoutPanel.Location = new System.Drawing.Point(3, 3);
             this.ToolbarFlowLayoutPanel.Name = "ToolbarFlowLayoutPanel";
-            this.ToolbarFlowLayoutPanel.Size = new System.Drawing.Size(584, 29);
+            this.ToolbarFlowLayoutPanel.Size = new System.Drawing.Size(378, 29);
             this.ToolbarFlowLayoutPanel.TabIndex = 2;
             // 
             // LogForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(590, 418);
+            this.ClientSize = new System.Drawing.Size(384, 140);
             this.Controls.Add(this.tableLayoutPanel1);
             this.Menu = this.MainMenu;
+            this.MinimumSize = new System.Drawing.Size(400, 200);
             this.Name = "LogForm";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "Log Viewer";

shadowsocks-csharp/View/LogForm.cs

@@ -120,6 +120,11 @@ namespace Shadowsocks.View
             timer.Tick += Timer_Tick;
             timer.Start();
 
+            this.Top = config.logViewer.top;
+            this.Left = config.logViewer.left;
+            this.Height = config.logViewer.height;
+            this.Width = config.logViewer.width;
+
             topMostTriggerLock = true;
             this.TopMost = TopMostMenuItem.Checked = TopMostCheckBox.Checked = topMostTrigger;
             topMostTriggerLock = false;
@@ -141,6 +146,10 @@ namespace Shadowsocks.View
             config.logViewer.fontSize = LogMessageTextBox.Font.Size;
             config.logViewer.SetBackgroundColor(LogMessageTextBox.BackColor);
             config.logViewer.SetTextColor(LogMessageTextBox.ForeColor);
+            config.logViewer.top = this.Top;
+            config.logViewer.left = this.Left;
+            config.logViewer.height = this.Height;
+            config.logViewer.width = this.Width;
             Model.Configuration.Save(config);
         }