Ticket #2978: CountViewEvents.patch

View.cs

@@ -20 +20 @@
 #endregion
 
 using System;
+using System.Diagnostics;
+using System.Drawing;
 using System.Linq;
 using System.Reflection;
 using System.Windows.Forms;
@@ -27 +29 @@
 namespace HeuristicLab.MainForm.WindowsForms {
   public partial class View : UserControl, IView {
     private bool initialized;
+    public int[] counters = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
     public View() {
       InitializeComponent();
+      label.Paint += Label_Paint;
+
       this.initialized = false;
       this.isShown = false;
       this.closeReason = CloseReason.None;
@@ -37 +42 @@
         this.Caption = ViewAttribute.GetViewName(this.GetType());
       else
         this.Caption = "View";
+      if (this is ViewHost) {
+        label.Location = new Point(0, 0);
+      } else {
+        label.Location = new Point(0, 15);
+      }
+      label.BringToFront();
     }
 
     private string caption;
@@ -44 +55 @@
       get { return caption; }
       set {
         if (InvokeRequired) {
-          Action<string> action = delegate(string s) { this.Caption = s; };
+          Action<string> action = delegate (string s) { this.Caption = s; };
           Invoke(action, value);
         } else {
           if (value != caption) {
@@ -60 +71 @@
       get { return this.readOnly; }
       set {
         if (InvokeRequired) {
-          Action<bool> action = delegate(bool b) { this.ReadOnly = b; };
+          Action<bool> action = delegate (bool b) { this.ReadOnly = b; };
           Invoke(action, value);
         } else {
           if (value != readOnly) {
+            counters[4]++;
             this.readOnly = value;
             OnReadOnlyChanged();
             PropertyInfo prop = typeof(IView).GetProperty("ReadOnly");
@@ -79 +91 @@
       get { return base.Enabled; }
       set {
         if (base.Enabled != value) {
+          counters[5]++;
           this.SuspendRepaint();
           base.Enabled = value;
           this.ResumeRepaint(true);
@@ -162 +175 @@
       if (InvokeRequired)
         Invoke((MethodInvoker)OnReadOnlyChanged);
       else {
+        counters[3]++;
         EventHandler handler = ReadOnlyChanged;
         if (handler != null)
           handler(this, EventArgs.Empty);
@@ -184 +198 @@
         } else PropagateStateChanges(c, type, propertyInfo);
       }
     }
+
+    protected override void OnPaint(PaintEventArgs e) {
+      base.OnPaint(e);
+      counters[0]++;
+    }
+
+    protected override void OnPaintBackground(PaintEventArgs e) {
+      base.OnPaintBackground(e);
+      counters[6]++;
+    }
+
+    protected override void OnLayout(LayoutEventArgs e) {
+      base.OnLayout(e);
+      counters[7]++;
+    }
+
+    protected override void OnResize(EventArgs e) {
+      if (IsHandleCreated) {
+        //this.SuspendRepaint();
+        base.OnResize(e);
+        //this.ResumeRepaint(true);
+      } else {
+        base.OnResize(e);
+      }
+      counters[8]++;
+    }
+
+    private void Label_Paint(object sender, PaintEventArgs e) {
+      e.Graphics.FillRectangle(Brushes.LightGreen, new Rectangle(0, 0, 300, 15));
+      var text = Name + " " + string.Join(" ", counters);
+      e.Graphics.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.ActiveCaptionText, new PointF(0, 0));
+    }
+
     public event EventHandler Changed;
     protected virtual void OnChanged() {
       if (InvokeRequired)
         Invoke((MethodInvoker)OnChanged);
       else {
+        counters[1]++;
         EventHandler handler = Changed;
         if (handler != null)
           handler(this, EventArgs.Empty);
@@ -251 +299 @@
     public void SuspendRepaint() {
       if (InvokeRequired)
         Invoke((MethodInvoker)SuspendRepaint);
-      else
+      else {
+        counters[2]++;
         ((Control)this).SuspendRepaint();
+      }
     }
     public void ResumeRepaint(bool refresh) {
       if (InvokeRequired)

View.Designer.cs

@@ -44 +44 @@
     /// the contents of this method with the code editor.
     /// </summary>
     private void InitializeComponent() {
+      this.label = new System.Windows.Forms.Label();
       this.SuspendLayout();
       // 
-      // ViewBase
+      // label
       // 
-      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+      this.label.Location = new System.Drawing.Point(0, 0);
+      this.label.Name = "label";
+      this.label.Size = new System.Drawing.Size(300, 15);
+      this.label.TabIndex = 0;
+      this.label.Text = ".";
+      // 
+      // View
+      // 
       this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Inherit;
-      this.Name = "ViewBase";
+      this.Controls.Add(this.label);
+      this.Name = "View";
       this.Load += new System.EventHandler(this.View_Load);
       this.ResumeLayout(false);
 
@@ -57 +66 @@
     }
 
     #endregion
+
+    private System.Windows.Forms.Label label;
   }
 }