a graphical widget in Winforms, also called a slider in other environments.
A track bar is a graphical widget in winforms in which the user sets a value by moving a cursor on a line. Other environments such as jQuery call this control slider.
Questions tagged [trackbar]
205 questions
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How to prevent controls( tabs ) from blinking and disappearing with windows common controls 6.0 when I move a trackbar?
When sliding the trackbar and release the mouse button, the whole window flashes and the tabs dissappear.
When I use the old version, everything works properly!
When I use the new Microsoft Windows Common Controls ver.6.0, this problem is observed…
Ted
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vote
1 answer
OpenCV trackbar assertion failed error
I want to do foreground segmentation using opencv. I have written code that has trackbars so that I can find optimal parameters for the segmentation. When the code is executed it works, the images are shown with contours marked and etc. But when I…
user7243382
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vote
1 answer
TrackBar Control acting as a Range Selector with Multiple Thumbs
I am after a control which works similarly to a TrackBar control but has three thumbs, one for selecting a value and two others for selecting the minimum and maximum values on the same control.
I have searched Google for this and I have found a lot…
RHodgett
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Trackbar has obvious unfixed bug?
When I add a trackbar to a form and set
Me.TrackBar1.Minimum = 0
Me.TrackBar1.Maximum = 100
Me.TrackBar1.LargeChange = 10
Me.TrackBar1.SmallChange = 10
Me.TrackBar1.TickFrequency = 10
... the trackbar goes berzerk:
I can choose…
tmighty
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use track bar for scrolling vertically in C#
I can't figure out how to connect track bar and panel. So, that I can easily scroll vertically through a panel.
I have tried doing this in my track bar scroll event.
myPanel.VerticalScroll.Value += 10;
But, It is not working
Can you help me solve…
Kabeer
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0 answers
C++CLI bug, stacking trackbars (weird visual effect and crash)
I really need help with this but nobody is giving me any information. So I thought I'd just make a really long post detailing the issue and my code. Just as starting info this is a C++ DLL that loads the form upon loading into another program or…
Reece
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2 answers
Removing TextBox , Location issue C#
I want to create textboxes dynamically on trackbar_scroll. If trackbar has a value of 5, it may have 5 textboxes. When it decreases to 2, it must have 2 textboxes. Here is the problem when I decrease trackbar_scroll value:
private void…
Allah Rakha
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1 answer
How to convert .NET Trackbar control integer value to floating-point percentage
I always get 0 for percentage when I do this:
int trackBarValue = trackBar.Value;
float percentage = trackBarValue / 100;
What's wrong with my code?
user310291
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Textbox value into trackbar
I have a question.
I have been doing VB Express 2015 in class for over three months now.
If you place a trackbar and a textbox in a form, you can display the value of the trackbar in the textbox.
Can you make it so that it goes the other way around?…
Bas Daydrone
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System.Windows.Forms.Trackbar - how to prevent user from dragging the slider?
Is there some way to (temporarily) prevent user from changing the value of TrackBar by dragging the slider? Only way I found is to set Enabled property to false but it also greys out the trackbar.
Edit:
Since I´m getting more answers about why…
Ondra C.
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1 answer
OpenCV 3.0.0: How to display trackbar at top of window in Ubuntu 14.04
I am following this tutorial to make a draggable trackbar, but the trackbar only appears on the bottom of the window, and I cannot find an option to change that behavior. In the tutorial, they clearly show the trackbar at the top of the…
Graeme Rock
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1 answer
trackBar Brightness Control is not scrolling entire color range from Black to White
I have a trackbar control that is adjusting the brightness of the background color of a form. Eventually, I'll modify it to adjust an image's brightness. If you look at how the brightness slider works in the Microsoft colorDialog Control, as you…
MaoTseTongue
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Binding 2 trackbars to an int throwing an ArgumentOutOfRangeException
I have a Form that looks like the Find form on Notepad++. There is a tabControl with 2 tabs. Each tab has a trackbar and I want the value of each trackbar to be the same, if somebody moves trackbar1 then trackbar2 moves automatically.
Find form…
Eoghan
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1 answer
C# Changing color of label based on trackbar value
I am working with a trackbar that has a value of 0 to 100. In my code automatic = 0 that you see in the image below.
What i am trying to accomplish is that any number below 35 should change the labels (lableFS) forcolor to red, while any number…
user3627587
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win32 C++ Custom Color for Trackbar thumb
I have spent today searching everywhere for a concrete explanation or example of coloring the thumb on a trackbar (slider) in win32 C++. Everything I've found has been partially explained, and in trying every conceivable variation I have come up…
Wayne McHugh
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