I've got a picturebox where someone can draw what they like on it and I have added a colordialog so the person can change the colour of the pen.[code]The trouble is, when I change the colour, the stuff ive already drawn on the picturebox changes colour too but I want it so that it only changes the colour of the pen and not what has already been drawn
View 3 RepliesPublic Class Form1
Dim x As Integer, y As Integer
Dim img As Bitmap
Dim pixelColor As Color
Public Function getpixel(ByVal x As Integer, ByVal y As Integer) As Color End Function Private Sub find_img_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles find_img.Click
[Code]...
whenever i load the image, i have to load it a second time to get the colour, or if i load a new one, i get the colour from the previous image, any ideas as to why?
I've got a bar chart on my form which when I click a button, it populates with some data showing the clients net position, which is their assets vs their liabilities. This is shown on a year-by-year basis, so the graph will go up or down accordingly. If the graph goes into negative, or is negative at any stage, I would like it to turn red, and leave the positive values green. I have no idea how to do this, or even where to start looking into the properties. I'm still new to using the charts. How can I make the x-axis labels in increments of 5 from 0, instead of increments of 5 from -1?
View 3 Repliesim trying to make multiple methods that handle painting on the same form. right now i just got the one and its the built in form paint one:
Private Sub Form3_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
but when i go to create my own method i start getting issues with the value of e when i use a method like
e.Graphics.FillRectangle
how do i define e and set up my own private sub paint()
I have a colour that is not predefined and I want to change the selectionbackcolor in a DGV. In the DGV it is defined as 255,255,192.
RoomNamesDGV.DefaultCellStyle.SelectionBackColor = " a colour "
How do I set the colour using 255,255,192.I need to do this as I have 2 DGV side by side and I want to show where the focus lies.
how to work with monthcalendar and their colours?We have lots of problems to work with calendar colors now... (basically change color date, backgrounds, etc... any alternative to have a calendar with the chance to change the dates and backgrounds?)
View 3 RepliesIs it possible have different colours in each of the cells of a TableLayoutPanel?
View 10 RepliesHow to highlight listbox items with different colours?
like this:
I can't find out how to print out font's and colours with the richtextbox. I can just print out small black font... I use the font dialog box.
View 6 RepliesHow to create a Paint program with all the functions of Microsoft Paint?
View 5 RepliesHow can microsoft paint(or any other painting software) be included in a VB.net project? I need to used its functionalities to maipulate jpg and movie file. Is there any ways this can be done on VB.net (or Visual Studio).
View 2 RepliesWhenever I load or close child forms or other form (for that matter) then there is flickering in my MDI form. The flickering maybe because the form may be getting painted with gradient or so. Now this flickering is really noticable and I need to solve this. I am pasting the code that I am using to paint my MDI form. If you guys think the code is in efficient then let me know. Or if there is any fix or other way to go about it then I would like to know.
CODE - written inside my MDI form.
Public Class MdiContainer
Inherits Control
Private WithEvents MdiPane As Control
[code]....
how to create a software for paint mostly used in windows XP
View 3 Repliespaint events in my dgv, i have a dgv, that will be multi color and with some icons to indicate the state of the data. For example, i load all the data to my dgv, add a new image column to the dgv that will have three different icons, then the rows can have one of three colors. The values to set the colors and icons are in two columns of the data source table. And i have another var that indicates if the rows headers have numbers or not, just to help the user...
VB.NET
Private Sub frmGPConfirmar_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
fillDGV()
prepareDGV()
[code]....
So what i need it's how i can do this, paint the numbers in the rows Headers, put the images in the column, and change the back color of some rows?In other forms where i don't have this three conditions i can do what i want, but in this one i can't... or i can but i doesn't work very well...
From jmchillihiney's most excellent code bank sumission on Drawing:Quote:The way GDI+ works, controls get repainted on screen over and over again, sometimes many times in quick succession. On each of these occasions the control's Paint event is raised. You need to use the Paint event of the control to perform your own drawing or else, the next time the control is repainted, your drawing will just disappear as the control paints over it.
When you're creating a custom control you should override the OnPaint method and perform your drawing there. When you're designing a form or user control and you want to add custom drawing to a child control you handle that control's Paint event, then perform your drawing in the event handler.
You may have seen, or heard people talk about, controls flickering on screen. That's caused by repainting large areas of the control repeatedly and happens because painting on screen is actually quite a slow process. As such, you should try to do as little of it as possible.So, I am attempting to draw part of a custom control. I have placed a SplitContainer on a UserControl, and oriented it vertically. I then shrunk to top panel to 15 pixels in height. I have two Methods which each draw a different type of Path + fill into the panel, and then draw a border around it (One is a gradient fill, and the other is just a plain color). The idea is that when the user clicks on this panel, it switches from one to the other (a "Selected State" and "Not-Selected" state).
I have also created an icon which looks like the +/- widget on a treeview (or more specifically, on the vs2008 Toolbox, which is essentially what I am trying to emulate here . . .) which toggles as the control is selected/unselected. Not that ultimately, the selected state will change when the user selects OTHER controls, but the Expand/Collapse gizmo will toggle when the user clicks on the panel in question.
Again, check out the vs2008 toolbox. The Group "headers" are what I am after here. Believe it or not, all of this now WORKS (gee me, look what I did!) EXCEPT the initialization. If I "Handle" the paint event of the SplitCOntainer.Panel1 object in any way which prevents the flickering jmc alludes to above, any redrawing required by either initialization OR hiding/unhiding of the host form is prevented. And it seems like the SplitContainer panel is constantly redraing (probably checking to see if the splitter has been moved).
I can post some code, but it is a little confusing, since I am dealing with some semi-complex interaction here. Also, It is not necssecarily structured well ()yet). AFTER I figured out the drawing bits, THEN I was going to try to do some refactoring and restructuring. Code Follows in next post.
I've looked everywhere, but I havn't found anything on how to paint on a webbrowser control. I tried to do it with a transparant panel over it, but that didn't work.
View 6 RepliesCreate a paint application in VB Express 2008?
View 16 RepliesI've created a schedule panel,drawing some lines,and adding some labels,as in image(blue,red and green are labels added by code).Now I've put some code to show the number for each cells,for that I've used Paint event of the panel but this slow the paint event,and after some investigation I found that the paint event was raised for some 20 time on my first form shown.Is there a place to put this code to run only once ?
[code]...
How can I make it so when I click a command button It will open up Microsoft Windows XP Paint??
View 3 RepliesWith reference to my previous thread on Paint event handler.. [URL] I went to read up more on Paint Event Handler.. I have a button which draw out a path based on the user selection.. Below contains the drawing of the path portion of the button click event code
[Code]...
However It did not activate the paint event when I clicked on the button.. Instead, the paint event still activate even before I click on the button? So can anyone teach me on how to activate the paint event when I click on a button?
I have a text box where I write different frames from a serial port.
I'd like to write those frames in two different colours but I don't know how to do it.
If I change the option Textbox.Forecolor, it changes the colour of every single line, and that's not what I am trying...
With my program I have made a settings form - changing the colour of other forms- and instead of writing the code for each individual form I was thinking if I can create an automatic system. The forms have different types of names & the items within have different names.In the setting form i have 3 color dialogs (one for background,Text colour -labels-, and a button color -forecolor-)
Code for Formsettings
Public Background As Color
Public TextForecolour As Color
Public buttontext As Color[code]......
i cant remember how to get font colours to change, so thought doining it with the hello world would be best
View 1 RepliesI am looking for a way or a code that will change the colours used in a powerpoint presentation, I will also need to change the background colours of active x text boxes etc.
View 6 RepliesI am using Visual Basic.NET 2008. I was earlier a VB 6 developer. I found a (VB 6) code online which generates gradient colours on a form. It has a small sub (routine) which does the trick. If we pass red, green and blue values then form's backcolour changes and it appears like a gradient.Now that code is not working in VB.NET.i mean is there an easier way to generate gradient colours in VB.NET (2008)convert the code I have into .net specific so form's backcolour becomes gradient.I have attached a zip file which contains the code.
View 11 RepliesI've found out how to change colours for the text editor, etc, but is there any way to change the colours in the help? It'd be nice to be able to have [for example] white text on a black background. It'd be easier on the eyes for lengthy reading sessions.No crops were circled, or animals mutilated in the making of this sig.
View 3 RepliesI'm a beginner to VB2010. If I draw a red line on a BLANK form, obviously its red. But if I draw a second red line, which crosses the first, is there a way of controlling the colour at the crossover position, for example returning it to the original colour of the form?
View 4 RepliesI'm trying to make it so my textbox is colour-coordinated automatically. By this, I mean that if a line begins with a certain bit of text (for example, a line starting with <text>) then it will make the whole line red.I realise that this may not be possible with a standard textbox, so I don't mind any suggestions that need an RTF item.
View 1 RepliesCan I create a Pen dashpattern that consists of alternating colours rather than a solid colour followed by a space? For example:
LinePen.DashPattern = New Single() {6, 4}
creates a pattern with a dash of 6 pixels followed by a space of 4 pixels. Rather than a space, I would like a different solid colour. That way I could create a rectangular cursor with something like a black/white alternating pattern, which would be clearly visible on top of any picture.
How can I build a combo box showing the extended colours like image below?
View 4 Replies