I have a TextBox named textbox1 and a Button named button1. When I click on button1 I want to browse my files to search only for image files (type jpg, png, bmp…). And when I select an image file and click Ok in the file dialog I want the file directory to be written in … Read more
Does anybody know how to move the keyboard caret in a textbox to a particular position? For example, if a text-box (e.g. input element, not text-area) has 50 characters in it and I want to position the caret before character 20, how would I go about it? This is in differentiation from this question: jQuery … Read more
If I call SelectAll from a GotFocus event handler, it doesn’t work with the mouse – the selection disappears as soon as mouse is released. EDIT: People are liking Donnelle’s answer, I’ll try to explain why I did not like it as much as the accepted answer. It is more complex, while the accepted answer … Read more
How to allow TextBlock‘s text to be selectable? I tried to get it to work by displaying the text using a read-only TextBox styled to look like a textblock but this will not work in my case because a TextBox does not have inlines. In other words, how to make it selectable? 18 Answers 18
How can I put some text into a TextBox which will be removed automatically when the user types something in it? 34 Answers 34 You can create a watermark that can be added to any TextBox with an Attached Property. Here is the source for the Attached Property: using System; using System.Collections.Generic; using System.ComponentModel; using … Read more
I have a textbox with the .Multiline property set to true. At regular intervals, I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. How do I accomplish this? 13 Answers 13
I’m looking to accept digits and the decimal point, but no sign. I’ve looked at samples using the NumericUpDown control for Windows Forms, and this sample of a NumericUpDown custom control from Microsoft. But so far it seems like NumericUpDown (supported by WPF or not) is not going to provide the functionality that I want. … Read more
I have a web form with a text box in it. How do I go about setting focus to the text box by default? Something like this: <body onload=’setFocusToTextBox()’> so can anybody help me with it? I don’t know how to set focus to the text box with JavaScript. <script> function setFocusToTextBox(){ //What to do … Read more
I am developing an app for sending some feedback. Basically I’m trying to make a TextBox for comments, but I’m used to the WinForms MultiLine=true. I’ve set MinLines to 3, which is getting there, but preferably I’d like it if the user is able to type wherever in this block – like press enter and … Read more
I want to detect whenever a textbox’s content has changed. I can use the keyup method, but that will also detect keystrokes which do not generate letters, like the arrow keys. I thought of two methods of doing this using the keyup event: Check explictly if the ascii code of the pressed key is a … Read more
