ComboBox DropDown-Area Border Color?
Dec 6, 2010
I've created an ownerdraw ComboBox (used as DropDownList only) in Visual Basic .NET 2010. I inherited ComboBox and set DrawMode to OwnerDrawVariable. The control itself and the dropdown items are drawn with Paint and DrawItem.
The control works fine so far, but there is one thing i was unable to change: When i click on the combobox to open the dropdown area, this new area has a very bright border color (nearly white) which I want to change to black. I've uploaded an image of the current control and how I want it to look like:
[Code]...
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Jun 11, 2011
Since we have to resize the combo box dropdown area based on the combo box item length, used the drawstring() to add items to combo based on the item length. This gave us the below issue: On moving the cursor on the drop down area the font color and the background color are back hence the text is not readable (i.e. the whole item becomes black).
Below piece of code is used to achieve this,
Private Sub cboClient_DrawItem(ByVal
sender As
Object,
ByVal e
As System.Windows.Forms.DrawItemEventArgs)
[Code] .....
We tried changing font color and the dropdown area backcolor on selecting a particular item. How to make the text readable (i.e. the font color should change while if we scroll on the item).
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Aug 4, 2009
I am using vb express 2008.How I can have border around a Textbox or Label and change the color of border. Like we have different border styles and colours in MsWord and other applictions. Also how a Lable can be made transparent?
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Mar 9, 2012
I am using basic color detection that finds a color at an area. Then it uses basic if statement so "if something=something1 then" where something1 is the color. Anyway, I have all that fixed up right. The thing I want to do is tell the program check for the color for x amount of seconds.
Here is an example.
Dim something As Color = screenshot.GetPixel(50, 50)
Dim something1 As Color = Color.FromArgb(1, 1, 1, 1)
if something = something1
[Code].....
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Oct 5, 2009
How do I remove the area in a dropdown menu where the menu item icons are typically displayed?
I just need to remove the grey area in this particular dropdown, other dropdowns of menu items in the same menu bar need to retain this area because they do have icons.
Edit: This is WinForms.
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Mar 26, 2011
When I will click the suggested text shown in the combobox it will disappear.My Combobox btw is connected in a database.If I type Kev then kevin and kevsky will show at its suggestion then when I will click any of it ,the combobox text will be empty or will clear what I typed ("Kev") and will not show what I clicked.[code]
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Oct 23, 2009
I have a RichTextbox set to Border style FixedSingle.. I want to have a blue boarder around my richtextbox, but it is always gray.. How do you go about changing the border color of a RichTextBox?
Obviously this doesn't work:
RichTextBox1.bordercolor = Color.Blue
I have been googling for a while and haven't found anything useful yet...
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Jun 12, 2009
I'm working in VB, VS2008, winforms.I've got some labels to create, and I'm using the BorderStyle = FixedSingle.Is there any way to change the color of this border?It is always defaulting to black.
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Mar 20, 2012
I need some kind of control that let's me set a Text like in a Label but when I get my mouse over it (MouseEnter) it defines a Border Color and will darken that color (probably using some transparecy property) .
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Jul 11, 2010
How to change a border color of ListView?
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Mar 15, 2010
I want to change the border color of a textbox. I have tryed to override the onpaint event (setting userpaint to true), but in this case I must control all the painting events of a textbox. So, this isn't a good thing. This seems to work, but the user control has no text property. And I woult like to override the gotfocus and the lostfocus events.
Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Drawing
[code]....
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Jul 12, 2009
Is there a way to set the color of a PictureBox border? (Visual Baisc)
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Feb 13, 2012
im using the following code to change the textboxes border color:Private Sub BorderColor(ByRef _Control As Control, ByVal _Color As Color)
[Code]...
the weird problem im getting is if i run my program and click the add button with the textboxes being empty it correctly changes the bordercolor to red but if i press the tab key it removes all the red bordercolors, why is this?i dont want the tab key to clear the red bordercolors.
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Feb 22, 2011
How can I change the border size/style/color of my TabControl to make it blend in with my form's background color?I am unable to find any property for this in Visual Studio. Is this possible?
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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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Mar 29, 2006
knows how to change the border color of a textbox at run-time. What i mean here is i already have textboxes on my form at design time, and want to change their
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Jul 29, 2011
Even with <label>.forecolor = Color.Black. I find that my labels' borders are not {255,0,0,0} but rather {255,100,100,100), a middlish gray, Is there some system setting (e.g., themes, Silverlight) from which the standard label draws its color?( I am familiar with the sub-classing work-around, but have hundereds of instances that would have to be changed.)
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Oct 5, 2011
I'm in the need to draw a border of different color and dimension around a panel, after a paint event.
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Sep 29, 2009
How to set the BUTTON border line color transparent? Because my BUTTON background pic is not a square. So when i click the button i will see the border line ..
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Nov 21, 2010
How do I change the Form's Border color?
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Dec 30, 2011
how do I change the border color and border width of textbox as something shown below
If it is mouse hover I need to display one colour and on mouse down I need to display another colour.
detailed process with the source if available.
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Jan 5, 2011
I want to change the TextBox border color if certain event is true.
For example, in a GroupBox, there is a TextBox and a Button.
If the TextBox is empty, and I click the button, I want the TextBox border color to change to red.
If the TextBox is not empty, I want The border color to remain unchanged.
How do I change the TextBox border color on a certain event?
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Jun 27, 2009
Im quite new to VB actually and i've run my web application using VB .net. My problem here is to change the standard border color so that it would not look dull and just to make it look custom from other application. How can i change it? ive search all the properties but havent solved it.
[Code]...
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Mar 22, 2011
i have been searching for 2 days on how to color the black grey area on a tabcontrol, i found a few examples but they never worked for me does anyone know how to color this area?Btw this is a webbrowser project
Edit: Ohh and does anyone know how to make a toolstrip combobox automatically resize when the user changes the form size?
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Dec 28, 2010
I've got a couple of instances of a user control on a flowlayoutpanel. The user control has got a couple of controls on it, and very little / almost none of the control's original space is visible. I need to know when the mouse is inside the usercontrol. What then happens is that the border color changes (of a control in the user control), and when it leaves the control, it changes back to original state.
I tried the following:
Private Sub ctrDashboardWidgetFrame_MouseEnter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.MouseEnter
Try
ShowControls()
Catch ex As Exception
[Code] .....
And it works, but it only works when you move over the original visible space of the user control, and doesn't work when you move over the child controls inside the user control. How I'll be able to achieve this to also work while the user is inside the full user control and not just it's visible space?
dp.SyntaxHighlighter.ClipboardSwf = '/dp.SyntaxHighlighter/Scripts/clipboard.swf'
dp.SyntaxHighlighter.HighlightAll('c7f9624a181a409ebf7e3e1f57df5ce8')
[URL]
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Apr 5, 2012
I'm designing a player application to accompany our phone system. As our calltakers take calls, it makes recordings of each call. They can go to a list module, find a recording and double click, which opens my player. The issue i have is that if the calltaker gets another call, my player doesn't know it and will continue playing. I'm looking for a way to monitor the screen in a particular area and when it sees yellow or red instead of blue, it will pause my player.
The phone system does not have any API's that I can hook onto, so I have to try it another way.
The screen resolution never changes and the queue buttons where they receive calls will always be static. When they get a call, a small area changes from the background color blue to yellow or red to indicate a call.
**EDIT Final Code based on answers below and question Memory Leak using GetPixel/GetDC in Visual Basic
Private Function CheckforCall()
Dim hDC As IntPtr = GetDC(0)
Try
[Code].....
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Jan 28, 2012
I am trying to write code to load all nown color names from color.xxxxxxx in a ComboBox, but can not get it right. I can not find the Color Enum member. What I had in mind was something like this:
[Code]....
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Jan 19, 2011
a set of color add into combobox
bttnclick
Dim mypen As New Pen(, 2)
base
cbocolor.items.add("Red")
cbocolor.items.add("Green")
how to make the color apply in the pen?? what to put before the coma??
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Jan 26, 2011
Ok so i have an owner drawn combobox and everything is fine in the drawitem event,except i'm a perfectionist and there is no border i have a beige backcolor, and i really just want a black border or something first i tried to draw using the given graphics and the given bounds, it failed as the rectangle was drawn oddly inside the combobox for some reason (not on the inner border, almost in the center of the combobox.then i tried the following and was surprised when it didnt work
Dim z2fx As Graphics = Graphics.FromHwnd(cmbBox.Handle)
z2fx.DrawRectangle(Pens.Black, New Rectangle(0, 0, cmbBox.Width, cmbBox.Height))
then i tried this and thought for sure it would work
1 Dim zfx As Graphics = Graphics.FromHwnd(cmbBox.Parent.Handle)
zfx.DrawRectangle(Pens.Black, cmbBox.Bounds)
this drew 2 sides of the border, the bottom and the right then i realized something: the code i used earlier with z2fx made the upper and left borders flicker right when i click the drop down, then it goes away. It is as if they were being redrawn with the background color of the combobox. And this redrawing was taking place after the drawitem event was called.
Something, some event, keeps redrawing the background color of the combobox when i put a button on the form and associate it with the zfx2 code, then when i press this button the combobox draws the 2 borders (upper and left) and they stay drawn until i either hover over the combobox or open the drop down of the combobox.
nvm while typing this i figured out a solution i can use the mouseenter mouseleave and dropdown events
since i typed this already im posting it anyway if i have problems i will let you know.EDIT: failed.SOMETHING keeps redrawing the damn background only after most events have passed! i tried the backgroundcolorchanged event it didnt work. this is annoying.
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Apr 29, 2012
I want to set a combobox with black margins and without seeing the arrow. In orderto stay only a box with black outline.
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