picturebox books

Method 1: If the aspect ratio of the image to be loaded is not too unbalanced, you can change the sizemode attribute of picturebox to pictureboxsizemode. stretchimage. In this way, the image loaded into the picturebox will be filled with the entire picturebox. However, this method is not very good when the aspect ratio of an image is large. You can select method

During this time, I was doing a pedestrian statistics project based on EMGU, and when I framed the area, I found that there were always problems. Then I wrote a small program test, found the problem in the image matrix scan this pieceThe coordinates of the mouse on the PictureBox areAnd the EMGU is scanned from the Y direction.1 for(intx =0; x )2 {3 for(inty =0; Y )4 {5

private void Mypicbox_click (object sender, EventArgs e){Try{OpenFileDialog ofdpic = new OpenFileDialog ();Ofdpic.filter = "*.jpg,*.jpeg,*.bmp,*.gif,*.ico,*.png,*.tif,*.wmf|*.jpg;*.jpeg;*.bmp;*.gif;*.ico;*.png;*.tif;*. WMF ";Ofdpic.filterindex = 1;Ofdpic.filename = "";if (ofdpic.showdialog () = = DialogResult.OK){String spicpaht = OfdPic.FileName.ToString ();Bitmap bmpic = new Bitmap (SPICPAHT);Point ptloction = new Point (bmpic.size);if (Ptloction.x > Mypicbox. Size.width | | PTLOCTION.Y > Mypi

1. To realize the transparency of controls and backgrounds in C # WinForm, you can set their parent control by setting the control's BackColor property to Transparent. Because in C #, the transparency of the control refers to the transparency of the parent form. If you do not set the Parent property, the control will only be transparent to the form and will be displayed with the background color of the form (the default control) re-brushed again as its own background.2. With more controls, you c

system.windows.forms;using system.net;namespace WindowsFormsApplication1{ Public partial class Form1:form {public Form1 () {InitializeComponent (); This.textBox1.Text = "C:\\2.jpg"; } private void Button1_Click (object sender, EventArgs e) {uri uri = new Uri (This.tex Tbox1.text); Bitmap Bitmap = new Bitmap (URI. Localpath.tostring ()); This.pictureBox1.Image = bitmap; Picture uri HttpWebRequest request = (HttpWebRequest) httpwebrequ

The first type: (This method is more stupid)Hide several PictureBox on the page that need to change the page, such as the following PicfromDefine the method where you want to change the image:System.Resources.ResourceManager Resources = new System.Resources.ResourceManager (typeof (Form1));Then it can be changed (such as Picto's picture to change to Picfrom's picture)This.picTo.Image = ((System.Drawing.Image) (resources. GetObject ("Picfrom.image"));T

Dragging pictures in PictureBox in. NetFirst put a PictureBox on the form and specify a picture to display Define a series of variables to handle picture dragging' Handle picture dragPrivate M_leftx as IntegerPrivate M_lefty as IntegerDim M_mouseposx as IntegerDim M_mouseposy as IntegerDim M_driftx as IntegerDim M_drifty as Integerand assigns an initial value, which can be done when the form is initializedM

When I recently read the program, I found that when I used picturebox images to display images, there will be "system. Drawing. image. fromfile Assign provides picturebox. Image mirroring in the following ways: Method 1: Use image. fromfile Me.PictureBox1.Image = Image.FromFile("f:\img1.jpg") Method 2: Use image. fromstream Dim fs As System.IO.FileStream = System.IO.File.OpenRead("f:\img1.jpg") Me. pic

The picture frame is essential, regardless of which door has the component programming language. C # language is a very rich language, and the picture frame component is naturally indispensable. The main properties of the picture frame component are:Name,image,SizeMode,BorderStyle . The Name property is used to set the object names of the picture. The Image property is used to add a picture. SizeMode is used to set the size mode of the picture. BorderStyle The border style used to set the pictur

usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.IO;namespacepicture Control { Public Partial classForm1:form { PublicForm1 () {InitializeComponent (); } Private voidPictureBox1_Click (Objectsender, EventArgs e) { } Private voidForm1_Load (Objectsender, EventArgs e) { //set how pictures are displayed: TiledPicturebox1.sizemode =Picture