How do I set the background color for a bitmap that I create from a graphics object?
Basically I create graphichs object from a bitmap object and draw on the graphics object. T hebackgroung color is black, the drawing color follow the pens used. How do is set the background Color?
The following code does not appear to draw text properly to the bitmap. The text is rendered bold and anything but "clear". Can someone please help? I've searched all over the web for a solution and have not been able to locate one.The Code:
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How to change a forms background system color schemes to windows default color schemes in vb.net?
View 2 RepliesI have a question of VB event handler and color picker. Now I have a label, and I want when user click it, it pops up a color picker dialog and let user to change the background color of the label. Not sure how to implement this, can anyone give me a direction?
View 2 RepliesAlright inside of a combo box I have a list of colors and I want to change the background color of the combo box to the selected color...basically this... but im not sure what the problem is here anyone have some advice or is this not possible?
CBLinerColor.BackColor() = CBLinerColor.Items.Item(0)
Basically i want dynamic code that will change the color depending on the items in the box.
I want the background of my form to be the same color as the window frame color that the user selects, even if that changes. I selected System->WindowFrame as my background color, but it always remains a dark grey, regardless of what I have my window color set to. How else would I achieve what I want? I assumed I was doing it the correct way. Do I actually need code that gets the system window color and then apply it?
View 4 RepliesRight Click drop down menu using ContextMenuStrip. The background color of an unselected menu item is set with "BackColor".The color of the text of a selected menu item is set with "ForeColor".How to set the background color of a selected menu item? Default appears as a dark grey and I would like to change it.
View 2 RepliesI am using .NET 1.1, so I don't have the access to listitem object. I would like to change the text color or the background color of certain items in a listbox. can it do it in .NET 1.1?
View 5 RepliesHow to change Progressbar background color and for color.
View 1 RepliesIm developing a web browser and i got an idea of changing the background color of the form 1 so i made a form 2. created 1 combobox and 1 button. The idea was to change color of background and then when i start the program after closing it it will remember what color and start up same color as before? Here is what i did but it doesnt work:
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I have a little piece of code which saves a certain Bitmap to a JPG image. The Bitmap is "composed like this" ( Ppiechart is a picturebox):[code]So After it is declared I start to do some drawing on this bitmap. And then I want to save it like this:[code]So this saves the image. But the problem is that the background of the image turns black when I open the file on my PC.The background of the Bitmap in the program itself is white. So does anybody have an idea what may cause this? Do I have to declare a color for the "mybitmap"?
View 4 RepliesUsing a blank form I draw simple colored shapes to the form(x800 - y600 @ x0 - y0).
I'm using a picturebox(x800 - y600 @ x0 - y0), how do I copy whats on the form to the picturebox?
I want a mirror image copy.
Also, how do I copy from picturebox to form?
Ok basically I want to select a point on a bitmap and then fill all of the color that is the same as the color at that point touching that color with a different color. If that sounds confusing, just think of the paint bucket tool in mspaint or photoshop. Currently I do this by starting with the point selected and then check all the points around it in an ever expanding box until at last no new contiguous points of the color to replace are found.The bad news: This is slow as heck =(I remember my windows 98 computer could handle this just fine with no noticeable delay. So I'm either missing something algorithmically (is there a better approach) or VB.net is just too slow to accomplish this without some sort of different approach/optimization.
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As you can see, right now I just select the middle point as where I want to start filling from, and I fill with the color aquamarine. later I want to make this more flexible, but right now I just need this to be faster.
My general algorithm works like this:Start with a 3x3 pixel box with the first pixel (already changed to your new color, with the old color stored) as your start point.Check if each pixel is the color you stored (the one you're replacing) If it is, check if it's next to the new color you're replacing the old color with. If it is, replace it and increase the size of the box.The process ends when no new pixels are replaced.
what I am trying to accomplish worked with the code in the last thread I posted a while back. I still am using this code, however, I changed the window size to work better and gave it a nicer background for the title screen of my project. Now what I am working on at the moment is making a settings form that has 2 labels. One for "Default" Layout and one for "Plain" layout. When default is at start, the default label is disabled,and when plain layout is clicked, the button is disabled and default button is enabled.Basically, this is a toggle switch for default or plain where if one is enabled, the option for it is disabled and the other is enabled.My problem is that when I switch from Plain back to default, the background Image will not switch back from the plain background color of "control"Here is my code:
Public Class Settings
Private Sub LinkLabel1_LinkClicked(ByVal sender As System.Object, ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) Handles LinkLabel1.LinkClicked
MiDNiGHT.BackgroundImage = Nothing[code].......
I need to read a bitmap generated with paint or similar programs and interpert the picture to detect straight lines of black, larger squares in red and smaller squares of yellow, green or red. Which one of the Visual Basic environments are is best suited for this? WPF or Forms or..The lines represent walls and for start we have square objects as obsticles. I would like to create a maze and allow a dot to travel between obstacles leaving a trace of pixels and not hit any of the objects untill it exits.
I like to write the logic for it but I do not know how would I read a 500x500 pixel picture and decode the colors of each pixel. I like to assign a byte for each pixel's color (256color) but only use 4 bits of it to for start.
I am doing this as hobby. So please forgive me because I should only look at your answers during my free times.It will take some time before I could see it and mark your work as Helpful or Answer.
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)
What im trying to do is to minimize the file size of an image to as low as possible.Its 640x480 and i need to be 30kb or even 20 kb in file size...
View 3 RepliesI have a TextBox that displays a color as its background color and the background color code in its text. I have set the text color as Black.The problem is that if the user sets the color as Black then the color code will be unreadable. How do I set the text color programmatically so that it becomes readable when the user selects any color?
View 1 Replieshow can i get the general color based on what is returned from Bitmap.GetPixel()? Like i want all shades of blue to just be blue, and so on
View 10 RepliesI don't know what I did now, but I managed to somehow have form1's properties show background color as black, but it is a light silver color and no matter what color I assign it, it will not change. right now form1 is empty of textboxes, labels, etc. There is code in it for my menu and the other forms.
View 2 RepliesI am create a isMDIformcontainer=true form, Design time have backgroud color. But runtime no color. Can you change the backgroud of MDI parent form..?
View 3 Repliesi want my program change the backgound color of the form even it is restarted or the computer is off when i open it again and run the program i want the color that i selected is previous would be the background color that will appear when i run it again... how could i do it?I'm done change the background with Color Dialog but when Quit the program and run again it will turn back to the original background color
View 2 RepliesAnyone please help me this problem. I am creating a program that will view all the employee list in a listview control. Now every employee has the property of whether "active" or "inactive". What I want is to change the full row background color of "inactive" employee to red. I tried to do some forum suggestions but it didn't work.
View 1 RepliesI am using Telerik RadGridView. I would like to set the background color of a row in radgridview.I use code below. I wish to change forecolor and background color when clicking on a particular row of a grid. The forecolor will be changed after the click and stays ok after clicking else where; but the background colour goes back to original color when focus is changed.
Private Sub RG1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RG1.Click
If RG1.CurrentColumn.Index = 1 Then
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I have a textbox with a variable background color, changeable by the user. How can I set the foreground color to be visible at all times?I can use the inverted color (255 - Color.R) but this fails at the gray (128/128/128) color.
View 36 Replieshow can set the background color of the document?
View 2 RepliesI write code to change all menu background color change:
For Each blah As ToolStripMenuItem In MenuStrip.Items
blah.BackColor = Color.DimGray
blah.ForeColor = Color.Black
For Each meh As ToolStripMenuItem In blah.DropDownItems
meh.BackColor = Color.DimGray
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how can I change the grey part into white color? I want my tabcontrol filled with full white color. So far what i did is like this:
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I found this on the web after i was searching on how to change the background color of a dateTimePicker the actual background of the control not the background of the calendar within the control. I have my computer windows set up with a green color so my eyes get no so much of a workout, instead of white like is default. so when the dateTimePicker is displayed in the program im building it is green, unless i set my windows color to white in the appearance/advance/window
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i would like to change the background color of the form when giving the color name in the textbox and enter it.
View 2 Replies