I have been searching the forums but I keep finding ways to cause events to occur when a key is pressed. I'm trying to get a true/false if the "ctrl" + "L" keys are pressed when the form loads so it know whether to show itself or close
View 15 Replieshow one would be able to detect what keys are pressed. The problem is i want this done while my application is running in the background. There are alot of examples of doing it when yu are is what you are busy with. My scenario. I have an app process running in the background hidden. The when i press ctrl and t as an example i would like my form displayed.
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im working on a little app for my self, to make my life a little more convenient. I have some media keys on my laptop, and I would like to use them with itunes while it is minimized. I found a app that did it for me a long time ago, but cant seem to find it now. But I would like to try my hand at my own, and I've managed to do so, but, my app has to be in focus for it to work. is there any way to still detect when these media keys are pressed while my app is out of focus?
View 9 RepliesI have a problem detecting whether one of the arrow keys is pressed, all the other keys seem to be detected apart from the arrow keys??? I have set key preview to True........ It detects the arrrow keys BUT ONLY if I have NO other controls on the form??? example..
Me.Text = e.keycode
It works, but then if I add a button for example, it stops.
How can i count keys pressed within ex. 1 min? Or how do i count a spesific key?
View 1 RepliesHow can to Know If the key is pressed and according to act?
View 9 RepliesHow can I check if an arrow key (dunno, the right key for example) is pressed?
View 1 RepliesWhat I'm trying to do is get the form to catch any key on the keyboard that has been pressed so it will reset a timer?
View 2 RepliesThis is my code:
Code:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
If e.Control And e.Alt Then
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I am wondering on how to write the code such that the program will respond when 2 arrow keys are pressed at the same time. In other words, I would like to have the program to behave like a racing game.
View 1 RepliesI've got a key pressed code
vb.net
Private Sub MainWindow_PreviewKeyDown(ByVal sender As Object, ByVal e As System.Windows.Input.KeyEventArgs) Handles Me.PreviewKeyDown
If Keyboard.IsKeyDown(Key.A) AndAlso Keyboard.IsKeyDown(Key.LeftCtrl) AndAlso
[Code].....
How can I call my Button1.Click event on the 3 keys being pressed???
All i wish to do is have some simple code, which can detect when the esc key is pressed, (if possible can you point out where i need to change to set it for an other key).
View 5 RepliesI have a webform and i want to detect if F5 button was pressed or if the page was refreshed. I know about postback but it is not what i'm looking for. I have a gridview that loads in a modal popup when a button is clicked and a parameter's value is set for the gridview. When refresh is hit and if the modal popup button was previously clicked the modal popup is visible right after refresh. I want to detect if the page is refreshed to prevent this. any ideas? I thought to try Override but I'm not exactly sure how to use it. I tried Control.ModifierKeys but I don't have access to ModifierKeys.
View 2 Replieshow can I check with getasynckeystate, if ctrl+c was pressed?
getasynckeystate(17) and getasynckeystate(67) doesn't seem to work
even getasynckeystate(17) and getasynckeystate(67) and &H8000 doesn't work too
Is there a way to detect when the Tab key is pressed?
View 8 RepliesI have microsoft force sidewinner joystick, how can i detect its pressed buttons(wheel turns, padels pressed) ?
View 3 Replieshow to detect which keyes are pressed on an infrared MCE remote control? I'm a n00b, I've searched google, and can't find anything in VB.
View 1 Replieshow can i detect pressed keyboard keys while the focus is not on my running win form or any of its controls ?
View 1 RepliesI am trying to detect combination of Ctrl+Shift+Alt and show them in a textbox ....Here is my code
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these expressions detects the keys? I was able to detect two keys any of the above mention like Ctrl+shift or Ctrl+Alt and vice versa with the same expressions, but why can't these expressions or piece of code can't detect three keys/combination of three?
by defauld the usercontrol can't detect the directions(arrows) keys and other special keys(using the keydown event). but using an function i can resolve the problem:
Protected Overrides Function IsInputKey(ByVal keyData As System.Windows.Forms.Keys) As Boolean
'Need to trap the following input combinations to prevent the(UserControl)
'from losing focus:
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I want to detect up,down arrow keys while in edit mode of datagrid view i use the code below but it is not working?
Public Overridable Function EditingControlWantsInputKey(ByVal keyData As System.Windows.Forms.Keys, ByVal dataGridViewWantsInputKey As Boolean) As Boolean
Select Case keyData And Keys.KeyCode
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Both case arrow keys are not detected. please tell how to detect
I am using the media player control in my VB2010 project and hit a problem. I want to detect when a user has pressed the "next " button on the media player console.I can use the following code to detect the pause, play, fast forward, etc but I do not see anything that will detect when the "next" button is pressed.
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I'm making a custom scripting engine type thing. I'm trying to add an option to where you can select a list of functions from a dropdown combobox. I want it to display the "Display Names"(Keys as String) of the items in the combobox, but I want it the DisplayNames to point to the (Value as String).[code]so I want "Equals" to be displayed in the combobox, but I want "=" to be the real value.
View 1 RepliesWay to load regedit values/keys to a listbox or listview
View 10 RepliesImports System.Data
Imports System.Data.OleDb
Public Class Form1
Dim con As OleDbConnection
Dim cmd As OleDbCommand
[CODE]...............
The insertion part of the form works great. But my problem is in the form load part......If i leave a field blank(Null),then perform Save operation,close the form after successful insertion and then reopen the form,then it retains the previous values during the form load......This is only in case where i leave a field blank in the previous data entry in the database.......But if i enter values in all fields then form load is working great.
How can I set a button, so that when it is pressed, it stays in the pressed down graphic state. Then when pressed again it returns to the normal not-pressed visual.Make a button stay like this until pressed again: url....
View 3 RepliesI have a TextBox and set the MiltiLine property to true and AcceptsTab property to false.When the TextBox has focus and i press Tab it works fine and the next control get the focus, but when i press Ctrl+Tab it works as if AcceptsTab property is set to true and makes a tab character into the TextBox.The reason i press Ctrl+Tab.. when switching between forms in my MDI application.Now how to make a Ctrl+Tab when pressed works like Tab when pressed in a MultiLine TextBox?
View 1 RepliesHow can I load a form and allow it to run it's code in the form load but keep it not visible. I want it to do what it needs to but but not display.
View 3 RepliesHow do i get if a Key is pressed on the whole form. Like A? or Ctrl + A
View 5 RepliesI have a question about collision, yes my 2d tile rpg's map collision works just fine, but im having trouble with the collision with my npc's. At the start of the game it loads all the map data from a text file. well it also loads the location and other stuff about the npc's onto the map from a text file. how do i detect the collision of the npc's that were loaded from the text file, i could do collision with hardcoded npc's but i want to avoid hardcoding the game content into the game engine. RESTATING MY QUESTION: How do i detect the collision of NPC's that i load onto my 2d tile map from text file?
View 6 Replies