A Complex Question Regarding The REGION Of A CONTROL.?
Feb 26, 2012
Imagine you want to draw a regular shape such as a triangle, rectangle ... all the way up to say a 10 sided figure ( a decagon ) or more. I know that when we try lots of sides it looks closer and closer to a circle or an ellipse. The problem I am thinking of is placing smaller circles ( or ellipses ) at the correct positions near the points of that shape as shown for a triangle below.Here comes the question(s) How could we: a) Correctly place the circles ( or ellipses ) at the points so that the sides are at a tangent to them andb) Can we combine the REGIONs of these to produce a figure with rounded points so the light blue bits get excluded? I guess that to produce a method to deal with all the mathematics involved would be quite a complex task.Has anyway previously tackled doing this or know of any .Net tools I could use for this problem?
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Jul 16, 2009
To refresh or invalidate only a region of the form.sometimes I will need refresh all the form, but in some situations only specific regions of the form..I saw some samples on the Microsft site, but I don't understood.I use VB .net 2008
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Jul 4, 2009
How can I make it so that if the cursor position is anywhere from 200 to 500, it'll make "Region" = true?
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Feb 17, 2011
I have a custom-shaped form created by setting the Region to an image. I want to be able to highlight the edge of the form when it has focus. To do this I believe I need to get the outline of the form and convert it to a path so I can draw a two-pixel highlightaround the edge of the form.
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Jan 9, 2010
how to use the region class?
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Jul 16, 2010
c# - Is there #Region code for HTML
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Nov 1, 2011
I generally use to organize codes below lines;
#Region "Comments.."
#End Region
But when I want to use it in the Function, it gives error ("..are not valid within..."). Are there any keyword to make this in the Function or there aren't? [Code]
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Feb 17, 2010
I generally use to organize codes below lines;#Region "Comments.."#End RegionBut when I want to use it in the Function, it gives error ("..are not valid within...").
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Jan 25, 2011
Following my test project for making a map editor, I finally got the tile selection part covered.The application can already tell which tile(s) is selected.
So now we will work on "click the map and the tiles will be drawn" part.
When the user clicks the map, I need to "copy" a selected tiles in the tile selector, and "paste" them on the map. The process is a bit longer actually.Or is there a way to directly copy the selected tiles to the map image?
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Feb 17, 2011
I have a custom-shaped form created by setting the Region to an image. I want to be able to highlight the edge of the form when it has focus. To do this I believe I need to get the outline of the form and convert it to a path so I can draw a two-pixel highlight around the edge of the form.
(1) Is this the correct approach?
(2) If so, how do I get the outline of the region so I can call DrawPath?
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Jan 30, 2010
how can i get the points which make a polygon from a region which was derived from the polygon's points?
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Feb 2, 2010
i have an image which has 2 colors, black and white.
i wish to get a region object that has all the white areas 'selected'
the shape is not just a polygon, its fairly shapeless
is this the best approach: create a region that is the size of the image and run a loop checking each individual pixel to see if its black, if it is then exclude it from the region. (i've got a feeling this will take very long to load)
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Feb 19, 2010
I am using something like[code]...
however the above will clip the drawing to a 100x100 ellipse ...
my question is how can i reverse the clip so that it paints everywhere except in the ellipse?
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Jun 25, 2010
What are the true advantages of using #Region?
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Aug 19, 2011
I built an application that runs alright on Windows 7 and and XP but when I tried that on my home computer (Vista Home Premium),at very start, it says Can not open shared memory region and then it quits.
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Jul 28, 2009
I work with a developer that loves to put #region #endregion is his methods, and I hate it.It makes the method so hard to read. I have looked for best practices on how to properly using the #regions but I have not found anything
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May 18, 2012
I have created graphics in a picturebox. I know how to save these graphics to a file, but my problem is how to save PART of the already drawn image to a file. That is How can I save a region of a drawn graphics to a file (not the whole drawn image)?
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Jul 26, 2010
I have a Rectangle (the class) that I'm using to define a region on a form and when the mouse enters that region it shows 2 buttons (which are on the form and within the bounds of the rectangle) and I would like the buttons to remain visible when the mouse is over either of the 2 buttons then when the mouse leaves the region or leaves the form they are set to invisible again. Here's the code I have so far:
[code]....
The problem is when the mouse enters the bounds of the button, the form's MouseLeave event fires and thus my buttons are hidden which means the user can't click either of them either.
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May 29, 2012
I don't know if this is possible, but I want my form to be 'window-blocking', just like the taskbar, when a window is maximized, it won't overlap the form.
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Mar 2, 2009
I'm making a program to detect polygon intersections, and it's all set up. I just need to know... how do you determine whether a region is of size zero?
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Jan 20, 2012
I'm getting an intellisenxe error saying that the statement below is expecting a ')' and is positioning the correction ater the parenthesis following "Approved". I'm not familiar with this IF syntax and I can't seem to make the correction; trial and error isn't working ;o)) If (reader.Item("Approved"), True, False) = 0), (reader.Item("DoNotDisplay"), False, False) = 0)) Then
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Mar 16, 2012
I'm looking for a code/algorithm that will help me to draw border around different color regions inside a bitmap.I have a bitmap like the "before" image.I want to add border around the colored regions like the "after" image.
VS Version: 2005-2010 (Doesn't matter)
Language: VB.Net / C# / C++ (Doesn't matter as long as it can be called from a managed exe)
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Jul 7, 2010
I have set a custom format for DTP control to dd/MM/yy. lets consider a real time scenerio. I have a form to enter Invoices for that i have following controls on my form 1] DateTimePicker, 2] CustomerName ComboBox, 3] Quantity, 4] Amount o.k. the Custom Format for DTP is set to 'dd/MM/yy'. When i first add entry i set the focus to DTP Control After changing date user moves focus to ComboBox then Quantity then Amount & Finally Clicks Save Button. And again hits Add Button and the cycle continues.
Now when user changes 'month'in DTP & go ahead and save the entry when he add another new entry the focus is on DTP however in the month region of DTP where it is expected in 'Date' region of DTP b'cas it is not likely that user will change month every time but he may change Date every time. This enforces user to mannualy select the desired region (either by Left Arrow Key or by Clicking Mouse button in the desired region). So after receiving focus i want the cursor tobe in the 'Date' region of DTP. Kindly help me writting correct statement to set focus to the control in the desired region (section) in DTP control.
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Oct 15, 2011
how can i design a region in vb.net form(windows application), such that when i click any point inside a region a new page opens. my problem is that the region which i want to define through it is very complex. its a combination of a rectangle and another shape.
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Jun 6, 2011
how can i draw a free-shape (it means no particular shape or sides) and fill it in with the colors chosen from colordialog?
e.g. im gonna draw a rounded rectangle and i want to fill its insides with color red.
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Oct 28, 2009
I've made some function that generates an email template. Code it generates is pure HTML with CSS. Problem is compiler does this odd error and highlights each time '#' sign appears which is needed to define colors in CSS. I did try to change '#' to '/pound/' and then string.Replace() on RETURN but no luck. I'm more into C# so there i can escape special characters by using '' before them but something f$#$ed up there... Once i remove '#' all back to normal and compiles well.
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Jul 26, 2010
I have a Rectangle (the class) that I'm using to define a region on a form and when the mouse enters that region it shows 2 buttons (which are on the form and within the bounds of the rectangle) and I would like the buttons to remain visible when the mouse is over either of the 2 buttons then when the mouse leaves the region or leaves the form they are set to invisible again. Here's the code I have so far:
Private m_TitleColor As Color
Private Const m_TitleHeight As Integer = 30I
Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs)
[code].....
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Aug 19, 2009
I need to capture a screen image of a region in my form. So to say it easily me.captureimage.region (X,Y,Width,hight). I need only to take a screen-shot of the region on my form. So i can set the X adn Y and Width , hight to for example my button. so it has to take an image of my button.
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Jun 10, 2010
I am having a problem setting up my combo box to pull its menu from a SQL Server table and store to the main data table.Currently my drop down list displays correctly but saves 'System.Data.DataRowView' to the data table. My main data table is called 'Survey' with staffname as a column, then I have another menu table of staff member names which populates the drop down menu.I found that when I remove the DataSource and populate the Items collection instead the combo box saves the correct value as expected but when I use the datasource it saves the words ''System.Data.DataRowView',[code]
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Sep 9, 2010
I have combox1 and i want to dispaly Foure Columns in combox1 and I make this
Dim dr As SqlDataReader = SqlHelper.ExecuteReader(conn, CommandType.Text, "select FirstName,FatherName,GrandFatherName,FamilyName from dbo.PersonalData")
Dim dr As SqlDataReader = SqlHelper.ExecuteReader(conn, CommandType.StoredProcedure, "GetSpecialFieldOFPersonalData")
Do While dr.Read
Me.ComboBox1.Items.Add(dr(0) & " - " & dr(1) & " - " & dr(2) & " - " & dr(3))
Loop
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