Posts by Felipe Mateus • 570 points
32 posts
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viewsQ: Error recording video and audio with Accord.Net - Winforms C#
I am working on an application that should record video and audio through a webcam. I was able to make the program run only with the video, but when trying to add the audio I am getting an error. I…
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answer45
viewsA: How to popular a class with a C#string list
Responsible listings is not a list already populated by select and belongs to the webdeskTarefas class? The idea was not popular webdeskTarefas.ListaResponsaveisData? If that’s what your code really…
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answer49
viewsA: Problem with installation of offline prerequisites - Visual Studio C#
The location of the folder where I have to copy the . Net Desktop Runtime installer is different from the . Netframework folder. I copied the installer to the following location and it worked…
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answer49
viewsQ: Problem with installation of offline prerequisites - Visual Studio C#
I’m trying to create an installer for my Windows Forms C# application that should download its prerequisites from the same location of the application, ie, install offline the prerequisites. In…
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answer32
viewsA: Error using Accord.Net package
After a lot of research and tests, to work properly I had to use the Aforge.Net package to capture the webcam image, and I started using the Accord.Net package only to compress the video images and…
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answer32
viewsQ: Error using Accord.Net package
I’m making a Windows Forms C# application and using . Netframework 5.0 to record and save videos to the computer with a webcam. I use the Accord.Net package for recording. It was almost ready with…
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answers22
viewsQ: The "Bitmap" type is defined in an Assembly that is not referenced C#
The problem: I’m doing a project using Windows Form C# which should basically record a video from a webcam and save to the computer. I was using the Aforge.net package to record the video and when I…
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answers10
viewsQ: Real-time Oxyplot Graph Problem - Xamarin Forms
I generated a graph on the Oxyplot component in my Xamarin Forms application. I would like to associate the graph drive on the X axis with the other function. Basically, when moving the graph to the…
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answers41
viewsQ: View 3D object in Windows Form C#
Good morning, I’m trying to insert a 3D object into my Winforms C#. I researched and apparently the easiest way would be to use a WPF control. How can I integrate the WPF control into my Winforms…
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answers82
viewsQ: Real-time graph problem C#
I’m trying to draw a graph in real time. On this graph I draw the dot sign (0,y) to the point (Width,y) using a red cursor to know where you are currently drawing. When the graph reaches property…
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answer47
viewsQ: Problem with the Paths of the files in my project
Once I created a folder and copied all the files of my project to it, however from this my original project is with the paths form1.cs, form1.designer.cs and form1.resx specified for the copy…
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answer285
viewsQ: Opacity of images C#
Good morning, I came across a problem in my application Windows Form C#, I’m trying to apply an image with low opacity() background to my panel1, but the image when inserted gets 100% opacity,…
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answer37
viewsQ: Panel that changes size C#
Good morning, I’m trying to do the following for my application Windows Forms C#. I have a Panel that by activating your event MouseHover, the panel expands its size and there inside the panel with…
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answer30
viewsQ: Problem with checkedListBox + drag-n-drop
Good morning, I have a problem with the component checkedListBox of my application C# Windows Form. In the following code I am using drag n drop to reorder items from checkedListBox, what is working…
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answer37
viewsQ: Reorder Listbox with Drag and Drop
Good morning friends! I have a Listbox in my application C# Windows Form. I’d like a way to use the events Drag-n-Drop for reorder the items within the listbox the way the user wants it. Basically I…
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answers236
viewsQ: Remove unwanted characters from a List<string> without going through the list
Be the following excerpt a Windows Forms application. List<string> lista_strings = new List<string>(); for (int i = 0; i < 2000; i++) { lista_strings.Add("TST1234"); //preenchendo a…
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answer60
viewsQ: Zoom in graph C#
I have a line chart with values from 0 to 5 for Y in my application C#. As most of the time the enough values to be drawn are 2 to 3 I would like to zoom vertically. float atualdata_1, calibracao =…
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answers127
viewsQ: How to clear a list without losing all positions?
In my application in C#, I have a list List< float> where I store data arriving through serial port. With the execution of the application in progress this list begins to get huge. I am not…
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answers196
viewsQ: Growth ranges of an array’s values
I’d like to know a way to determine growth intervals and decreasing of a vector in C#. Example: Array[0]=0; Array[1]=1; Array[2]=2; Array[3]=3; Array[4]=4; Array[5]=3; Array[6]=2; Array[7]=1;…
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answers1049
viewsQ: String list + . Split()
The command string.Split() separates a string in a array of the kind string[]. How to use the string.Split() to separate strings in a list List < string>?…
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answer38
viewsQ: Monitoring Arduino analog inputs
I am monitoring more than one analog input of one Arduous at all times, that is, at all times I am sending data via serial to other software. What would be the best way to send this data so that I…
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answer126
viewsQ: Losing data while communicating with C#
Man Arduous sends data continuously to my C# via serial port. However, I understand that the first figures sent by Arduous are simply disappearing, sometimes disappear more numbers, sometimes less,…
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answer191
viewsQ: Rotate image around the center itself
I am developing a C# application and would like to know how to freely rotate a bitmap which is drawn in a pictureBox without rotating all _pictureBox_e so that the bitmap Rotacione around its own…
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answers163
viewsQ: Processing of data received by the C#Serial Port
When I read the data from the Serial port in C# and add in a String RxString i receive the following strings: "??\u0002???? u0002???? u0002???? u0002???? u0002???? u0002????? u0002????..." or "????…
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answers38
viewsQ: Data transmission with Arduino
I’m monitoring 3 analog inputs of one Arduino UNO and I don’t know if the way I’m sending data to serial is correct, because when I try to receive the information in another language(C#) does not…
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answers72
viewsQ: Problem with serial reading
Guys, I’m trying to read data from a serial port in c#, but along with the data is being returned too "junk", which makes it impossible to convert the string to integer. Is there any way to make me…
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answers43
viewsQ: String splitting
Being a string in the following format: string valores = "valor1#valor2#valor3"; I wish to store the values separated by # in a array, having such a result: teste[0] = valor1; teste[1] = valor2;…
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answers40
viewsQ: Custom line chart
Good morning, I am developing a program in c# that should draw a line chart(x,y) in a picturebox(pcbANALISE) according to the data I have in a list (aquisicaodata[ ]). This chart also has a scroll…
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answer111
viewsQ: Chart with horizontal scrolling c#
Good morning guys, I’m drawing a line chart on a pictureBox with "drawline"s concatenated. Basically what I want is to create a horizontal scroll bar to navigate the chart, that is, to be able to…
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answer128
viewsQ: Problem with graph c#
Good morning guys, I’m developing a program in which should be plotted several line graphics(x,y) on the screen, the y axis corresponds to serial port where is connected an Arduino UNO. As an…
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answer91
viewsQ: Excessive use of pens c#
Good morning friends, I am developing an application that should draw 4 graphics (for now), to draw in the way intended need to redraw the graphics several times and update them. With excessive use…
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answer361
viewsQ: Graphic creation c#
Good afternoon friends, I am creating a program in c# that should plot in a graph the current values of the serial port (Arduino) in a picture box. To draw the graph I am creating points(x,y) and…