How to Display WebPage Title on Windows Form using C#/.NET

Change Windows Form Caption dynamically using C#/VB.NET to display WebPage Title

It is good to display Webpage title on the userform  or any other control that hosts Webbrowser. This ressembles the functionaliy of Internet Explorer. The following code does the same:

private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {

            this.Text = webBrowser1.Document.Title;
        }

Webpage On UserForm - Title

The code uses DocumentCompleted event to update the WinForm's caption.

How to Browse WebPages using WinForm

How to use WebControl in Windows Forms

WebBrowser control can be used to display Webpages on userform. Add a webbrowser control to the userform

WebBrowser Control and Userform

Default page can be set used the URL property. Here I have set URL property to bing.com


WebBrowser Control and Userform

The same can be set through code using:

webBrowser1.Navigate("http://www.bing.com");

C# Color Code and RGB Values / VB.NET Color Code and RGB Values

Color Name	RGB Value
RGB Value of  AliceBlue	#F0F8FF
RGB Value of  AntiqueWhite	#FAEBD7
RGB Value of  Aqua	#00FFFF
RGB Value of  Aquamarine	#7FFFD4
RGB Value of  Azure	#F0FFFF
RGB Value of  Beige	#F5F5DC
RGB Value of  Bisque	#FFE4C4
RGB Value of  Black	#000000
RGB Value of  BlanchedAlmond	#FFEBCD
RGB Value of  Blue	#0000FF
RGB Value of  BlueViolet	#8A2BE2
RGB Value of  Brown	#A52A2A
RGB Value of  BurlyWood	#DEB887
RGB Value of  CadetBlue	#5F9EA0
RGB Value of  Chartreuse	#7FFF00
RGB Value of  Chocolate	#D2691E
RGB Value of  Coral	#FF7F50
RGB Value of  CornflowerBlue	#6495ED
RGB Value of  Cornsilk	#FFF8DC
RGB Value of  Crimson	#DC143C
RGB Value of  Cyan	#00FFFF
RGB Value of  DarkBlue	#00008B
RGB Value of  DarkCyan	#008B8B
RGB Value of  DarkGoldenrod	#B8860B
RGB Value of  DarkGray / DarkGrey†	#A9A9A9
RGB Value of  DarkGreen	#006400
RGB Value of  DarkKhaki	#BDB76B
RGB Value of  DarkMagenta	#8B008B
RGB Value of  DarkOliveGreen	#556B2F
RGB Value of  DarkOrange	#FF8C00
RGB Value of  DarkOrchid	#9932CC
RGB Value of  DarkRed	#8B0000
RGB Value of  DarkSalmon	#E9967A
RGB Value of  DarkSeaGreen	#8FBC8F
RGB Value of  DarkSlateBlue	#483D8B
RGB Value of  DarkSlateGray / DarkSlateGrey†	#2F4F4F
RGB Value of  DarkTurquoise	#00CED1
RGB Value of  DarkViolet	#9400D3
RGB Value of  DeepPink	#FF1493
RGB Value of  DeepSkyBlue	#00BFFF
RGB Value of  DimGray / DimGrey†	#696969
RGB Value of  DodgerBlue	#1E90FF
RGB Value of  FireBrick	#B22222
RGB Value of  FloralWhite	#FFFAF0
RGB Value of  ForestGreen	#228B22
RGB Value of  Fuchsia	#FF00FF
RGB Value of  Gainsboro	#DCDCDC
RGB Value of  GhostWhite	#F8F8FF
RGB Value of  Gold	#FFD700
RGB Value of  Goldenrod	#DAA520
RGB Value of  Gray / Grey†	#808080
RGB Value of  Green	#008000
RGB Value of  GreenYellow	#ADFF2F
RGB Value of  Honeydew	#F0FFF0
RGB Value of  HotPink	#FF69B4
RGB Value of  IndianRed	#CD5C5C
RGB Value of  Indigo	#4B0082
RGB Value of  Ivory	#FFFFF0
RGB Value of  Khaki	#F0E68C
RGB Value of  Lavender	#E6E6FA
RGB Value of  LavenderBlush	#FFF0F5
RGB Value of  LawnGreen	#7CFC00
RGB Value of  LemonChiffon	#FFFACD
RGB Value of  LightBlue	#ADD8E6
RGB Value of  LightCoral	#F08080
RGB Value of  LightCyan	#E0FFFF
RGB Value of  LightGoldenrodYellow	#FAFAD2
RGB Value of  LightGreen	#90EE90
RGB Value of  LightGray† / LightGrey	#D3D3D3
RGB Value of  LightPink	#FFB6C1
RGB Value of  LightSalmon	#FFA07A
RGB Value of  LightSeaGreen	#20B2AA
RGB Value of  LightSkyBlue	#87CEFA
RGB Value of  LightSlateGray / LightSlateGrey†	#778899
RGB Value of  LightSteelBlue	#B0C4DE
RGB Value of  LightYellow	#FFFFE0
RGB Value of  Lime	#00FF00
RGB Value of  LimeGreen	#32CD32
RGB Value of  Linen	#FAF0E6
RGB Value of  Magenta	#FF00FF
RGB Value of  Maroon	#800000
RGB Value of  MediumAquamarine	#66CDAA
RGB Value of  MediumBlue	#0000CD
RGB Value of  MediumOrchid	#BA55D3
RGB Value of  MediumPurple	#9370DB
RGB Value of  MediumSeaGreen	#3CB371
RGB Value of  MediumSlateBlue	#7B68EE
RGB Value of  MediumSpringGreen	#00FA9A
RGB Value of  MediumTurquoise	#48D1CC
RGB Value of  MediumVioletRed	#C71585
RGB Value of  MidnightBlue	#191970
RGB Value of  MintCream	#F5FFFA
RGB Value of  MistyRose	#FFE4E1
RGB Value of  Moccasin	#FFE4B5
RGB Value of  NavajoWhite	#FFDEAD
RGB Value of  Navy	#000080
RGB Value of  OldLace	#FDF5E6
RGB Value of  Olive	#808000
RGB Value of  OliveDrab	#6B8E23
RGB Value of  Orange	#FFA500
RGB Value of  OrangeRed	#FF4500
RGB Value of  Orchid	#DA70D6
RGB Value of  PaleGoldenrod	#EEE8AA
RGB Value of  PaleGreen	#98FB98
RGB Value of  PaleTurquoise	#AFEEEE
RGB Value of  PaleVioletRed	#DB7093
RGB Value of  PapayaWhip	#FFEFD5
RGB Value of  PeachPuff	#FFDAB9
RGB Value of  Peru	#CD853F
RGB Value of  Pink	#FFC0CB
RGB Value of  Plum	#DDA0DD
RGB Value of  PowderBlue	#B0E0E6
RGB Value of  Purple	#800080
RGB Value of  Red	#FF0000
RGB Value of  RosyBrown	#BC8F8F
RGB Value of  RoyalBlue	#4169E1
RGB Value of  SaddleBrown	#8B4513
RGB Value of  Salmon	#FA8072
RGB Value of  SandyBrown	#F4A460
RGB Value of  SeaGreen	#2E8B57
RGB Value of  Seashell	#FFF5EE
RGB Value of  Sienna	#A0522D
RGB Value of  Silver	#C0C0C0
RGB Value of  SkyBlue	#87CEEB
RGB Value of  SlateBlue	#6A5ACD
RGB Value of  SlateGray / SlateGrey†	#708090
RGB Value of  Snow	#FFFAFA
RGB Value of  SpringGreen	#00FF7F
RGB Value of  SteelBlue	#4682B4
RGB Value of  Tan	#D2B48C
RGB Value of  Teal	#008080
RGB Value of  Thistle	#D8BFD8
RGB Value of  Tomato	#FF6347
RGB Value of  Turquoise	#40E0D0
RGB Value of  Violet	#EE82EE
RGB Value of  Wheat	#F5DEB3
RGB Value of  White	#FFFFFF
RGB Value of  WhiteSmoke	#F5F5F5
RGB Value of  Yellow	#FFFF00
RGB Value of  YellowGreen	#9ACD32

Event Handler to Handle Multiple Events (C#/.NET)

Event handlers are of great use especially in WinForms programming. There might be a case where you will be having multiple Objects (Buttons for example), which requires to fire events of same type

The following snippet shows how to declare an eventhandler and assign it to multiple events

private void btn_Click(object sender, EventArgs e)
        {
            Button b1;
            b1 =  (System.Windows.Forms.Button)sender;
            MessageBox.Show("Button Clicked := " + b1.Name.ToString());
            b1.ForeColor = Color.Red;
        }

The above event handler is a generic one. It contains two arguments the sender, which contains the object that fired the event and Arguments.

Statement
b1 = (System.Windows.Forms.Button)sender;

Assigns (or casts) the object to button object. If casting is not done Cannot implicitly convert type 'object' to 'System.Windows.Forms.Button'. An explicit conversion exists (are you missing a cast?) is thrown

The snippet below assigns the sub - btn_Click with click events of both buttons

button1.Click += new EventHandler(btn_Click); 
           button2.Click += new EventHandler(btn_Click);

Could not find type 'WindowsFormsControlLibrary1.UserControl1

Could not find type 'WindowsFormsControlLibrary1.UserControl1'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has been successfully built using settings for your current platform or Any CPU.

What is solution for - "Visual Studio has encountered an exception. This may be caused by an extension."

---------------------------
Microsoft Visual Studio
---------------------------
Visual Studio has encountered an exception. This may be caused by an extension.



You can get more information by running the application together with the /log parameter on the command line, and then examining the file 'C:\Users\comp\AppData\Roaming\Microsoft\VisualStudio\10.0\ActivityLog.xml'.

User Controls not showing up in the toolbox / New usercontrol not appearing in toolbox

User Control Will Not Appear In Toolbox / User Control not listed in toolbox


Here is a method to add UserControl manually to the toolbox:

Step 1: Right Click on ToolBox and select Choose Items

Step 2: Choose the ToolBox items you want to display. If your Usercontrol is not listed in Toolbox then Browse for the DLL and enable the checkbox

How to make ActiveX control to interact with COM Object

How to make ActiveX control to expose COM Object

The Register for COM interop Checkbox indicates that your managed application will expose a COM object (a COM callable wrapper) that allows a COM object to interact with your managed application.

The Output type property in the Application page of the Project Designer for this application must be set to Class Library in order for the Register for COM interop property to be available.