How To Create Different Type Of Shapes Of Forms

Mar 20, 2011

I want to create a Windows form application in VB.NET 2008, and I want to create a circle-shaped window. How can I do it?

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Create Array Of Shapes In Excel?

Jun 3, 2010

I am writing my code in Visual Basic 2008. I am trying to store the shapes I have added to an Excel sheet in an array and get this error message.[code]...

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Forms :: How To Create New Variable Of Name Type

Dec 3, 2009

My app has a group of forms that do a specific work in different ways. I want to create a new variable of a form when I want with its name. So, I want a Function in this form :
Public Function GetNew (byref f as form ) as form
That give a form name and return a variable of that type. In other words, it must work as "dim f1 as new formx".

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Create Websetup For Clickonce Type Windows Forms Application By Publishing It To Some Folder

Feb 28, 2012

Trying to publish a click once type app to a local directory and create a websetup with the published contents- so that i can give tat setup to install in two different servers. but as the publishing wizard takes a URL - separate setup is required for each server. Is there any way that i can create a single setup which i can use it in two servers..?

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.net - Given A Large Number Of Objects, Create Multiple Forms In Designer For Them Or Use Code To Create The Forms?

Dec 29, 2010

If I have a large number of classes, each similar to the other in certain aspects (they all share a common base class, but each does things differently), and I need to create Windows forms for each to allow easy changing of their values through a GUI? Create one matching form for each object in VS' forms designer, Or Use code to create the forms dynamically at runtime.

#2 makes the most sense to me, because a lot of these objects will share very common features of the form, notably "Ok" and "Cancel" buttons. But one object might need to draw a textbox on the form while another might need to draw a combobox. Not to mention, if I want to put icons on the "Ok" and "Cancel" buttons, I'd have to do this for each copy of the form in designer, and that sounds like it could get out of hand quickly.But is drawing forms through code sane? VS' forms designer is pretty sophisticated and designed to make life easier. Am I wise to consider ignoring its functionality and diving into the trench warfare of forms design through code? Or are there examples of automating form creation based on an existing object's properties?

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Unable To Cast Object Of Type 'System.Windows.Forms.Button' To Type 'System.Windows.Forms.TextBox'

Apr 28, 2009

I have a panel with some controls in it (several textboxes, a slider, 2 buttons, and a small groupbox).. When I click a button, I want all of the textboxes within the panel to be readonly... So I have this code: [code] When I run it though, I get the following error:Unable to cast object of type 'System.Windows.Forms.Button' to type 'System.Windows.Forms.TextBox'.If I remove a button, it moves on to give me the same error but for a label..

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Forms :: Error - Conversion From Type 'DBNull' To Type 'Date' Is Not Valid

Oct 10, 2010

I'm getting the error "Conversion from type 'DBNull' to type 'Date' is not valid."here's the line generating the error.

dtReady.Value = dSet.Tables("Db").Rows(Inc).Item("Fixed_Date")

I'm using a date/time picker control and sending the db value to it. I know that the value is null, but I don't understand why the Picker can't be blank. Is there a way to let it be blank? Or should I set up a way to check for nulls and assign today's date or something just in case?

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Unable To Cast Object Of Type 'System.Windows.Forms.HtmlElement' To Type 'mshtml.IHTM

Nov 9, 2009

I have given reference to Microsoft HTML in COM (am using VB 2008)

"Unable to cast object of type 'System.Windows.Forms.HtmlElement' to type 'mshtml.IHTMLElement'."

I want to retrieve all the properties like the class name, html id of every object in the web browser. I am getting the above exception when i try to direct cast it.[code]...

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VS 2010 Unable To Cast Object Of Type 'System.Windows.Forms.MouseEventArgs' To Type 'System.ComponentModel.RunWorkerCompletedEventArgs'

Jun 25, 2010

My project worked a first and now its giving me a problem.The error

Quote:

Unable to cast object of type 'System.Windows.Forms.MouseEventArgs' to type 'System.ComponentModel.RunWorkerCompletedEventArgs'.

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Error : Unable To Cast Object Of Type 'System.EventArgs' To Type 'System.Windows.Forms.KeyPressEventArgs'

May 16, 2011

[URL]The issue is as soon as I change the value of the text boxes it gives me an error and forces me to close the project.

The error is:Unable to cast object of type 'System.EventArgs' to type 'System.Windows.Forms.KeyPressEventArgs'.

However I'm supposed to clear the number of gallons used and the total charged when a change is made to the contents of the 2 text boxes on the form.

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Forms :: Display Picture In Picturebox1 - Shows This Message, Unable To Cast Object Of Type 'System.DBNull' To Type 'System.Byte[]'?

Dec 24, 2009

Now I want to display picture in picturebox1.To do this I use this codes, but it does not display picture

on this line: Dim arrPicture() As Byte = CType(dt2.Rows(0)("img_path"), Byte())

it shows this message,

Unable to cast object of type 'System.DBNull' to type 'System.Byte[]'.[code]......

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Unable To Cast Object Of Type 'System.String' To Type 'System.Windows.Forms.TextBox'

Jun 12, 2011

Unable to cast object of type 'System.String' to type 'System.Windows.Forms.TextBox'.

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Can't Copy Paste Cut Code - Gives Error "Unable To Cast Object Of Type 'Public_Information_System_Remake.PIS' To Type System.Windows.Forms.TextBox"

Mar 31, 2011

same errors or something related to System.windows.forms. Unable to cast object of type 'Public_Information_System_Remake.PIS' to type 'System.Windows.Forms.TextBox'.

[Code]...

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Create A Function Which Have Either 1 Parameter With A String As Data Type Or 2 Parameters With Double As Data Type?

Jun 11, 2012

I need to create a function which have either 1 parameter with a string as data type or 2 parameters with double as data type.Something like the substring method.

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Forms :: Error - An Unhandled Exception Of Type 'System.StackOverflowException' Occurred In System.Windows.Forms.dll

Apr 14, 2011

An unhandled exception of type 'System.StackOverflowException' occurred in System.Windows.Forms.dll it also says make sure you do not have infinate loop or infinate recursion il give all code in order that they are executed in Check the chechbox and it disables all irelevent stuff and populates the combobox

Private Sub CheckBox_Spray_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox_Spray.CheckedChanged
If Me.CheckBox_Spray.Checked = True Then

[code]....

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Create A Data Forms With Forms Wizard In VB 2005?

Jan 21, 2010

How to create a data forms with the data forms wizard in VB 2005

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Invalid Cast Exception Was Unhandled - Unable To Cast Object Of Type 'System.String' To Type 'System.Windows.Forms.TextBox'

Feb 9, 2012

Private
Sub cmdExit_Click(ByVal
sender As System.Object,
ByVal e

[code]....

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Make Shapes Like Vb6?

Dec 3, 2009

I wanna make shapes like vb6 but i don't have shapes like that. i need to make them an array.is there any component or something to use like shapes?

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How To Create Actual 'wizard' That Allows Users To Use It To Create Their Own Forms

Dec 1, 2010

I've designed my own encryption application in VB 2008 that has a free tools section where users can choose a particular wizard to use from the drop down. The javascript wizards display the code required to put in their own sites. I already created wizards that users can well, use.I see people have their own "contact form wizards" on their websites all the time. Where users can use the wizard and get the displayed code to copy and paste on their sites. But trying to locate source codes to these things is very aggravating on the web.So what I want to do is create my own "form wizard" like out of javascript, that allows the user to put in some information then get the displayed code to put in their own websites. I'm not looking for the generator such as the online form generators.But the javascript source code(s) for the generator itself.Then I could simply put a form generator inside of my VB-app, that will allow the user to use the wizard, then get the html code to paste in their own sites. Preferably not the PHP one because the php backend is very difficult to put in a VB app.I know that it can be done. For example copying a web pages source code then putting it inside a string, then calling that string from a button click that will open the javascript page in the webbrowser inside the VB app.

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Add Shapes/Controls In A Loop VB.NET

Jun 8, 2011

I've to show some PowerPacks.RectangleShape in a PowerPacks.ShapeContainer. A loop in my code add shapes to the container

(objshapecontainer.shapes.add(objshape), but at the end of the loop, only the last shape is displayed, in fact objshapecontainer.shapes.count doesn't exceed 1

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Draw My Own Shapes On A Form?

Dec 4, 2009

Can I draw my own shapes (such as a filled circle, square, etc.) on a form?Can it be done from code as well as from the designer?Can I use events such as onClick() on the shapes?

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Find And Replace Shapes

Oct 1, 2010

I have a macro that creates shapes in my documents. The following macro will delete all of them. How do I modify it so if they say NO it will go through the document and find each occurance of the shape and ask if you want to delete this one? [code]

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Rotate Text In Shapes?

Feb 22, 2012

I am drawin three concentric circles, each with corresponding radial lines from the center to the side of each segment. I want to place text inside each segment and can do so with a horizontal text. I want to ROTATE the text to match the segment's angle and fit perfectly inside the segment, but when I use the Tramsform/Rotate options in VB 2010 the text is rotated but ends up in a unforeseeable place.

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Using Loop To Draw Different Shapes

May 25, 2011

I want to use a loop to draw different types of shapes on a visual. I want to use the Random function sothat the number of each shape would be set randomly. For example, I want three triangles followed by two circles, followed by two triangles, etc. When you click the button again a different set of shapes would be rendered. I can draw shapes. What I need is how to use the loops and Random() to do this. I tried to use concatenation but it does not work with the Polygons.

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VS 2005 List(of T) - Create A List To Hold More Than One Control Type Or Create A List For Each Control Type?

Jan 20, 2011

If I create a list for a TextBox:

[Code]....

I am able to only add controls that are of type TextBox. My question to you is, can I create a List to hold more than one control type or do I have to create a list for each control type?

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.net - Creating Geometric Shapes As A Class?

Apr 17, 2011

how do I create a geometric shape as a class? Visual basic has a Rectangle class pre-defined object that I would like to use, but I need to use a rectangle class that can use decimals for the 4 points to set its location. I do not want to draw a shape on the form for graphical reasons but I want to use the shape for an algorithm, how can I create a class for a rectangle using decimals?

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Add Shapes Dynamically To A Form / Container?

Mar 3, 2012

I need to dynamically add ovalshapes to a form. The application user would enter a number of shapes (variable), and other parameters for the shapes as location, color,etc. After this I need to display these shapes in the screen. Every sample I found shows a fix number of shape hardcode by the programmer.

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Could Not Find Any Shapes Control In The Toolbox

Jan 4, 2011

Is there anything like shapes control of VB 6.0, in Vb.Net? I need to draw lines etc. at design time. But I could not find any shapes control in the toolbox.

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Drag And Drop Shapes Around In Application?

Apr 28, 2012

I am using visual basic 2010 Express as asa windows forms application. How can I make it so people running my application can drag and drop or move shapes or rectangles around on a grid? Please help I have tried different ways but none are working so far.I am making a room/area designer appplication where users can drag funiture/items (shapes) around on a grid.

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Draw Complex Shapes Onto A Form?

Mar 17, 2011

I have a control that looks similar to the following:

I need to add slightly round ends where all that extra end space is. I'm not sure how to add these. It should look similar to the round ends on this page.

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