picturebox

问题 I have a table with image field that I need to bind to System.Windows.Forms.PictureBox, and I need to Load new images o Overwrite existing images or delete the image int the field with ADO.NET dataset object. 回答1: I wrote this code in the Form_Load Event : Me.picCaptured.DataBindings.Add("Image", mbsPrimario, "PICFIELD", True, _ Windows.Forms.DataSourceUpdateMode.OnPropertyChanged) and Work Ok. 来源： https://stackoverflow.com/questions/1638938/how-to-bind-image-field-to-picturebox-in-vb-net

问题 I'm working on an application in Visual Studio 2010 and I'm coding in C++/CLI. In my previous questions I had issue with data series from a serial port. Now it seems ok and now I'm trying to plot them. I don't want to use Chart , so I would like to use handmade functions that use the class Graphics . In order to test my code, I created two arrays: the first one is filled with values coming from a Gaussian. The second one is filled with random numbers. When I plot the values, I would like to

问题 I am trying to display 3 images in rapid succession, around 200ms per image. Here is the code right now i have: for (int i = 0; i < 3; i++) { if ((_currentGridPos >= 0 && _currentGridPos < 2) || (_currentGridPos >= 3 && _currentGridPos < 5)) { pictureBox1.Image = Image.FromFile(@"C:\Users\Nyago\Images\g" + _currentGridPos + "_r" + i + ".JPG"); pictureBox1.Refresh(); Thread.Sleep(200); } } The problem I am having with this code is that the images aren't showing up in my picture box, there is

问题 I need to display a Image's thumbnail, that is saved in its Metadata in a picturebox. I'm using VB.NET http://msdn.microsoft.com/en-us/library/windows/desktop/ee719904%28v=vs.85%29.aspx#_jpeg_metadata So far i came up with this. Adding a breakpoint displays that GETQUERY returns empty even if i know that the file does indeed have a thumbnail Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load Dim imagepath = "C:\xampp\htdocs\Downloads\IMG_1322.JPG" '

问题 I was wondering how I could check if a picturebox intersects with another thing on the form. I know for a rectangle its: if (rectangle.IntersectsWith(otherRectangle)) but (i know, not possible) i want to do like the above: if (pictureBox1.IntersectsWith(pictureBox2)) Anyone know a good way to check? Also, im making a game in which you can move the picture box 1 with arrows keys, and jump with space. Thanks! 回答1: If two controls are children of the same form or container, then you can check

问题 I currently have a picture box where the user will click and drag to draw a rectangle over an image (one that can be changed regularly). When they're done (mouse_up), I will display the relative points of the rect in a text box to the resolution. So, for example, the user draws from top left (0,0) to bottom right of a 1920 x 680 image (picturebox.right, picturebox.bottom) for a rect, the text box will show (1920,680) for the end point. That's mostly just ratio stuff. I am using the code from

问题 I am pretty new to C# and struggle a lot with a small project I want to do. I am busy with something like a collage maker where I have a list of pictures on the left hand side and I want to drag and drop multiple images to the right hand side where I want to be able to move them around to create my collage. I wanted to show an image but I am not allowed to post images with less than 10 reputation points. But look here for the image: I can't manage to get it to work. I've looked online for

问题 I am using Visual Studio 2010 and writing a simple project in c#. I have a picture box and two buttons. When one button is pressed, the image in picture box is changed, but I cannot change the background image layout property. In button callback is something like: pictureBox1.BackgroundImage = Image.FromFile("test.jpg"); pictureBox1.BackgroundImageLayout = ImageLayout.Stretch; The image is changed, but it is not stretched over picture box. In fact, only part of the image that fits in picture

问题 I have picturebox and i trying write code when the users loads another image on picturebox the old file which was in picture to be deleted. I trying to find solution for for 24 hrs still i didn't able find fully working solution. I came up with 1 partial solution and following is partial code profilePictureBox.Dispose(); // When I use This After The Function Executed PictureBox Disappears But File Delete Successfully. try { if (File.Exists(oldfilename)) { File.Delete(oldfilename);

问题 I want to make a screen zoomer that captures a part of the screen and zoom it. The code below can now capture the screen and play it in a PictureBox. But I have this problem that my memory keeps growing while I open the program. I think there must be some resources that are not released and I don't know How to release it. I'm making it like a media player, but instead of playing videos, it plays a part of the current screen. public partial class Form1 : Form { PictureBox picBox; Bitmap bit;