textbox

问题 So im trying to make a textbox ( well not exactly a textbox, just changing a spriteFont text ) on XNA 4.0 win game heres my code so far : usernameVar.Draw(spriteBatch, newInputText); That will draw newInputText string each frame newInputText = username.update(mouse); That will set the string but heres my problem class Textbox { public Texture2D texture; public Rectangle rectangle; public bool isClicked; public Textbox(Texture2D newTexture, Rectangle newRectangle) { texture = newTexture;

问题 I'm trying to get the contents of a StringBuilder to display in a WinForms textbox, but the window never appears when I try to compile the program. This is my first venture into WinForms and C# and I've only used the language for about a week and a half now, so this is probably a simple fix that I'm just not seeing. public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { StringBuilder builder = new StringBuilder();

问题 I recently added some predictive text input fields to the web-app I am supporting. Big deal, right? Not really, seems like if your web-app doesn't do this -- you are already behind the times and your end-users are complaining. (At least that's how it is over here). So, my question has to do with the "up" arrow key. The predictive textbox has a onkeyup listener. The handler segregates the key strokes and does something depending on the character the user entered. The up arrow key allows the

问题 This question already has an answer here : Don't allow a specific use of characters (1 answer) Closed 6 years ago . I bumped into a problem, i hope someone can help me out :) i got a textbox, and i want to limit users so that it isn't allowed to have two \ after each other. i'm using it for folders. for example: C\temp\test\ now i want to make it not possible to type C\temp\test\\ i've tried searching some around for this problem but i couldn't find anyting like this. so i hope it's possible

问题 (EDITED) My codes doesn't read the text file. Apparent;y, when I want to read the file, they gave me a "File Not Found!" message box which it is in the if else loop, indicating that the code in the if loop doesn't work. private void OnSaveFile() { if (!string.IsNullOrEmpty(this.FileName)) { using (var store = IsolatedStorageFile.GetUserStoreForApplication()) { if (store.FileExists(FileName)) store.DeleteFile(FileName); using (var fileStream = store.OpenFile(FileName, FileMode.Create,

问题 I need to combine two multi-line textboxes in vb net, like this: textbox1: a b c d textbox2: 1 2 3 4 textbox3: a1 b2 c3 d4 Just a form with three textboxes. And a button to merge/combine/concatenate each value from t1 and t2, in t3. One of my attempts: Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click For Each line In TextBox1.Lines For Each linex In TextBox2.Lines Me.TextBox3.Text += line & linex Me.TextBox3.Text += Environment

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 years ago . Im new to this etc, and I was woundering if you can make a button equal a value once clicked. Heres what Iv'e got for an exmple: Public Class Form1 Private Sub BuyButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BuyButton.Click Dim MoneyBtn1 As String Btn10p

问题 How to limit characters per line in the multiline textbox in windows form application I am doing some thing like this in KeyPress Event of textbox but it will not go to new line goes on start of the row if (txtNewNotes.Text.Length % 50 == 0) txtNewNotes.Text += Environment.NewLine; 回答1: The property that you are checking ( txtNewNotes.Text ) is for all the text in the TextBox (All the text from all the lines combined). What you will need to check is the txtNewNotes.Lines property that returns

问题 How does one set the color of text in a Java Swing textbox at run-time? At startup, the color is grayish and when the user enters the textbox, I wish to change the color to the normal text color. I am currently using the following code: private void txtScheduleInfoFocusGained(java.awt.event.FocusEvent evt) { try { if (currentClassIsNewClass() && txtScheduleInfo.getDocument().getText(0, txtScheduleInfo.getDocument().getLength()).equals(PASTE_SI_HERE)) { txtScheduleInfo.setText("");

问题 I am trying to filter a list of items in a ListView as the user types into a TextBox and I use KeyDown , and KeyPress events but when I read the textbox.Text , it always returns the text before the last key press. Is there a way to always get whatever is shown in the TextBox without pressing enter? 回答1: Use the TextBox.TextChanged event (inherited from Control ). Occurs when the Text property value changes. My advice is to try not to hack this with the key events (down / press / up) - there