FAQ Database Discussion Community


Stop dragging picturebox c #

c#,image,winforms,picturebox
I have a picturebox and movement just right and to the left, but when moving it to the left or right edge of the picturebox appears in the middle of the form , as the picture below This thus what I want is when moving left or right when the...

VB.NET Fading out button properly

vb.net,winforms,button,picturebox,fade
How do you fade out/in a button in VB.NET properly? I can fadeout/in labels using: Controls(i).ForeColor = Color.FromArgb(255, alpha, alpha, alpha) (where Controls(i) is a label from a For Next loop through all controls in Me.Controls; alpha is the value of the RGB, also from a For Next loop). This...

pictureBox.ImageLocation with asteriks

c#,visual-studio,picturebox
i'm considerably new to c# and Visual Studio so i got stuck on one problem. Is there a way to make this pictureBox propertie to locate any image file? Asteriks doesn't seem to work.. this.pictureBox1.ImageLocation = "d:\\*.png"; The directory alawys consists of single .png file, though it changes name periodically....

Reveal portions of an image behind another image

c#,overlay,picturebox,bmp
I have a PictureBox where I display an image (Let's call it Image1). There's a second image (Image2) which needs to be revealed as the user hovers the Image1 with the mouse. I only need to reveal part of Image2 (a 10X10 pixel size box), not the whole image as...

Draw color to every pixel in picturebox

c#,draw,picturebox,progress
Can someone help me: I want to draw colors every pixel to picturebox This is what I have done so far: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication25 { public partial class Form1 : Form { public Form1() {...

Suggestion: Drag and Dropping Between PictureBoxes

c#,visual-studio-2013,drag-and-drop,picturebox
I have included 2 images so you can understand my question easier, I could not link them directly in here as I am a new member, so I have put them in my Dropbox public folder, Image 1: Design View https://www.dropbox.com/s/wca5gstd8kdsie7/designView.png?dl=0 Here you can see a Group Panel on the...

Moving a picture box in timer C# Winforms

c#,winforms,timer,2d,picturebox
Ok so please keep answers very direct and i must say i am very new to C#, i don't know a lot of stuff. Without further adieu my problem. I am trying to move a picture box horizontally across the screen on a timer.The timer must go infinitely. I have...

Picturebox Height/Width using textbox…How?

textbox,resize,height,picturebox,weight
I want to control picture using textbox and button for submit, but ... private void button_Click(object sender, EventArgs e) { int height = int.Parse(textbox1.Text); height = PublicImage.Height; int width = int.Parse(textbox1.Text); width = PublicImage.Width; } ...

Adding or subtracting color from an image in a pictureBox using C#

c#,image-processing,picturebox,openfiledialog
I'd like to learn how to code some very basic image editing in Visual Studio. I'm using the openFileDialog to load a picture into a pictureBox. I've found some loops on the internet that are designed to convert color on a pixel by pixel basis, but for various reasons (that...

Hide Picturebox if image is invalid

vb.net,image,telerik,report,picturebox
I am creating reports using Telerik Reporting Tool and has some image on it. I display the Image in the picturebox using a URL that came from the clients but there are instances where the given URL is invalid so it will display an error message in the report. I...

Transforming Coordinate in Picturebox

c#,winforms,picturebox
As i understand it, the picturebox coordinates system in .NET is defined such that the top point is the origin, with X pointing right, and Y pointing downwards. Is there an in built .NET function to transform the default coordinates into cartesian? (Such that the origin is now at the...

Move windows form from a picturebox in C#

c#,.net,winforms,picturebox
I have a windows form without any border. So i added a picture box and i want the whole form to be moved when that picture box is clicked. public const int WM_NCLBUTTONDOWN = 0xA1; public const int HT_CAPTION = 0x2; [DllImportAttribute("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int Msg,...

picturebox click event fires before the picturebox's contextmenu menuitem click

c#,winforms,contextmenu,picturebox
I have a PictureBox.Click event and I also have a PictureBox.ContextMenu -- when I click on a menu item within the context menu, it fires the PictureBox.Click event first, then the event attached to the menu item. This is not what I want. Is there a way to fire the...

How to remove PictureBoxes dynamically?

c#,picturebox
I am trying to make pictureboxes fall continuously in the form. Here is the code that I tried. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Rain_dropz { public partial class Form1 : Form { PictureBox[] RD = new PictureBox[500]; int...

mouse position (Cursor.Position)

c#,image,mouseevent,picturebox,pixels
I have image 10*10 mult it in factor and loading the image to picturebox I have problem to select the mouse position when I clicking in everywhere over the image the point showing in the corner Upper-left what is the error??

How do I get a List by name

c#,forms,list,rows,picturebox
Essentially, what I'm trying to do is add the the control to the corresponding List "row"+row, (whatever the row number is current in the for loop), however, I can't seem to find a way to get a list reference by string. I was wondering if there is a way to...

Impossible clean PictureBox

vb.net,picturebox
I want clean the PictureBox image, so I make this code: TransparentPictureBox.Image = Nothing, the image don't disappear and I obtain all new image overlapping to the previous. How can I fix this? I stay using a custom control, this is the class: Public Class TransparentPictureBox Inherits PictureBox Public Sub...

Altering Image via Graphics wont render in form

c#,winforms,picturebox
I am using the following code in an attempt to draw on an image inside a picture box, however the changes are not rendering on the form itself. private void pictureBox1_Paint(object sender, PaintEventArgs e) { if (drawMode) { Graphics g = Graphics.FromImage(pictureBox1.Image); RectangleF rectf = new RectangleF(10, 10, 100, 100);...

The Image in the picture box does not change

c#,winforms,datagridview,picturebox
Please I need help here. I am using data from a gridview to fill textboxes and a pictureBox. The textboxes fill up just fine when I click on a row. But the picture box shows just one image. irrestpective of which row I select the same image shows up. Please...

How to take a image url from a datagridview and put it into a picturebox in c#

c#,datagridview,picturebox,imageurl
Good day I am needing help I want to take an image url that is in a datagridview which is connected to a database and add the url to a picturebox in c#. I have searched for it but had no luck...

C# PictureBox variable in a class

c#,variables,picturebox
I was trying to make a struct with 2 variables, Double and PictureBox. People suggested that I should use class instead of struct. When I try to create the class. It won't let me add PictureBox card; it's just underlining it red. Any solution or reason why? or suggestion to...

Experiment on displaying a Bitmap retrieved from a camera on a Picturebox

c#,opencv,bitmap,camera,picturebox
In my code I retrieve frames from a camera with a pointer to an unmanaged object, make some calculations on it and then I make it visualized on a picturebox control. Before I go further in this application with all the details, I want to be sure that the base...

PictureBox and Paint Event

c#,winforms,events,picturebox
I have a picturebox, let's say "PB". I catch the paint event of PB in private void PB_Paint(object sender, PaintEventArgs e) In PB_Paint, I draw some shapes. I would like to control who calls this method. For example, when the Form is resized or other thing, they call PB.Invalidate() which...

Why if I call pictureBoxPreview1.Image.Dispose() for only one camera, memory usage spikes?

c#,memory-leaks,picturebox
I am showing the images that I capture from two cameras in a picturebox (the same for both). Each camera image is shown in a different ROI of the picturebox. My problem is that the memory used by the application is increasing continuously, most probably I am missing freeing some...

c# move picturebox from an array of picturebox up when you hover mouse

c#,wpf,mouse,picturebox
I'm working on C# windows form. I have an array of picturebox, displayed on the form. The array has the size of 13, and they're all side by side. How can I make it so that when I click on a picturebox, it is moved up by let's say +20...

Convert PictureBox Selection Rectangle according to SizeMode

c#,selection,picturebox,coordinate-systems
I have two PictureBoxes pbOriginal and pbFace. After Selecting a "face" from an image in pbOriginal I clone the rectangle selection and place it into pbFace. However, Because pbOriginal is using SelectionMode=Stretch the actual area being copied is not the same as the area being selected. How do I convert...

PictureBox doesn't appear

c#,winforms,picturebox
I have an if statement, inside that if statement is a foreach, for accessing each string from a string[]. The strings are some parameters for an NPC which are read from a file. The first one represents the NPC type which are two : "battle" and "teach", the last string[]...

Getting wrong array size in picturebox to byte array function

c#,arrays,multithreading,picturebox
When trying to convert a picturebox to a byte array, i get a wrong array length The PictureBox is 352 * 288 = 101376 pixels, converting to a byte array should give an array length of 101376 * 3 = 304128 bytes. I try to convert to an array using...

How to use BringToFront(); properly?

c#,object,picturebox,bringtofront
So I've been working on a little game project called economy, and I've ran into a little problem. What I want is to draw a stick man on the screen when someone hires a new employee, I do this by creating a new picture box, and assigning the stick man...

Visual Studio 2012 Dynamic PictureBox Image

c#,visual-studio,visual-studio-2012,picturebox
I have a quick question, I have been struggling with something that should, in theory be quite simple. I want to create a dynamic button out of a picture box in Visual Studio 2012, one that changes the image each time I click it. if (pictureBox4.BackgroundImage == MyProject.Properties.Resources._1) pictureBox4.BackgroundImage =...

picture box crossed out C#

c#,graphics,2d,picturebox,gdi
I have a project in which I draw several rectangles using GDI. I do it using i++ from i=0 to i<=10. I use e.Graphics.FillRectangles. I refresh the drawn rectangles every 1/10s by calling Graphics.Invalidate() My problem is that my picture box gets crossed out when drawing more the 4 rectangles....

(VB.net) Having a picturebox as a property of a class

arrays,vb.net,class,picturebox
I am currently making a space invaders game in vb (for a school project otherwise I would steer clear of this for making a game...) I have a class called Invader, where the information on each enemy will be stored. Part of this is having a picturebox to display the...

I would like to control Form1 from Form2 (textbox,picturebox) [duplicate]

c#,winforms,textbox,picturebox
This question already has an answer here: C# - How to make two forms reference each other 6 answers I want to resize my picturebox in Form1 (picturebox1) using textbox1,textbox2 and button in Form2. First I made this in Form1.Designer.cs: public System.Windows.Forms.PictureBox picturebox1; After this in Form2.cs (submit button):...

lock image file in PictureBox

c#,winforms,picturebox
I load an image into a picturebox: myPictureBox.Image = Image.FromFile(strImageFile); and works perfectly, but the image file is locked and I can't manage until my application is closed.. I need, from another window of the program, save a new image to reload when this child window is closed.....

Moving dot on picturebox in vb.net

vb.net,image,overlay,picturebox
I have a picturebox, and would need to draw a single red pixel at a given coordinate. This pixel will move, and when i assign a new position the old position is removed, so that only a single pixel is red at any given time. If possible it would be...

.gif doesn't animate until the whole loop ends?

c#,multithreading,winforms,picturebox
I'm try to add 300 buttons in run-time winform by a loop. It takes a lot of time, so I want to display a .gif loading image when the loop is running. The loading.gif just shows but doesn't animate until the loop finishes. Why is that? pictureBox1.Load("loading.gif"); pictureBox1.Invalidate(); pictureBox1.Update(); //...