I created a custom control that uses a PictureBox and made that PictureBox movable.
I create the control during runtime and the code works just fine. I can move the picturebox, except it can only move within the bounds of the control, which is the same size as the picturebox.
I have a panel that has a label and a picturebox inside of it and I handle the pictureboxes event like so:
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I have one picturebox, which moves when i start the timer:
PictureBox1.Location = New Point(PictureBox1.Location.X - TrackBar1.Value, PictureBox1.Location.Y)
By default, it can go out of forms bounds, but i dont want it to be able to go out of them
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How do I make a picture box follow a designated pathway. I have made a game where I have several picture boxes that follow each other. and want on of the trails to be able to do its own course. I have noticed that picturebox.left = picturebox.left + 10 works only for going left but picturebox.right = picturebox.right + 10 it saids read only. so I tried doing minus 10, though i don't know a condition how to do it. like how do it make it turn around when it's 10 from the boarder?
View 13 RepliesWhen my main form loads it also shows two other forms and has them scroll down from the upper right corner of the screen.
Here's the code for one of them:
Me.Visible = True
Dim x As Integer
Dim y As Integer
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Dim speed As Single = 50
Dim rndInst As New Random()
Dim xVel As Single = Math.Cos(rndInst.Next(5, 10)) * speed
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I am currently working on a game with collisions. I am using a picturebox with an animated gif in the Image property. I am currently using the following function call to detect collision:
pictureboxPlayer.Bounds.IntersectsWith(pictureboxOfBadGuy.Bounds)
When an pictureboxOfBadGuy collides with some of the whitespace of my picturboxPlayer the above line returns true. Does anyone know if VB has detection for images within a pictureBox.
How do I go about doing this? I have currently made this code, but sometimes points are created on the boundaries of this picture box, which I do not want. I want all new random points to be within the bounds of this large playarea (picturebox). Foodarea is my big picturebox which i want all fruit to spawn WITHIN not outside on it's edges.
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i need a solution to drag and drop a child control with in the bounds of a parent control means i had a panel with 300*300 pixels and i had to drag and drop a textbox within the panel how
View 1 RepliesI need a solution to move a child control with in the bounds of a parent control means I had a panel with 300*300 pixels and I had to move a textbox within the panel how?
View 2 RepliesI've not really worked with them before, well at all really. How would I go about creating a control which has multiple picture boxes, so then I can access each picturebox and refer to them via custom properties? I'm not aware you can draw several picture boxes and combine them into one control?
View 2 RepliesWhat line of code would I have to use in order to insert image into a PictureBox control?
View 2 Repliesthis forum, I made a custom numeric TextBox that was designed to accept monetary input.
vb.net
Public Class moneyTextBox
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In THIS Thread:NickThissen Said:Quote:It will appear in the toolbox even if you put it in the current project, instead of a control library project.No, it does not have to be in a control library, nor does it have to be a UserControl, to appear in the Toolbox. Any class inheriting (either directly or indirectly) from Control or Component will appear in the Toolbox. Since RadioButton inherits from Control, and your control inherits from RadioButton, your control inherits from Control too, so it will appear in the Toolbox. I have successfully created a pretty cool custom control. I Built the project and have added the a reference to the .dll form a new Windows forms project. It works great, as long as I do something like THIS:
Dim ThisControl As New MyCustomControl
ThisControl.Top = 40
ThisCOntrol.Left = 40
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I have the above control I am using, whose base class is the ListBox.Unlike the ListBox, it doesn't highlight a new item when it is inserted.I already had to add the ability to InsertAt() a new item since the person who made it originally hadn't implemented that part.But, I am having trouble figuring out how to make that part work.The above link is directly to the original Control.Here is the code for the Insert method I added:
Public Sub Insert(ByVal index As Integer, ByVal value As MCListBoxItem)
Try
List.Insert(index, value)
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I have several custom controls inside my project, just added a new class and then inherit the original control. For example i have a Custom DataGridView Control (CustDGV), that defines several properties in the constructor of the control.Now i have one problem and one issue, the problem, if i change the CustDGV i don't know why, the forms that are using the control doesn't update the changes... The only way it's removing and adding it again.. not very useful when i have several event's already defined for the dgv.How do i force the form to update the control?The issue it's that some of the properties doesn't get applied, for example i set the column header height and the disable resizing in the constructor, but if i run the code this two properties doesn't get applied, i need to define them in the form where i use the control to get the results that i expect..The order of the properties in the constructor? The properties in the properties window override the constructor ones?
View 17 RepliesI have a custom control I've created, and I'd like to be able to step through it (either in a test application or the one it's being used in). Is there a way to do this?
View 1 RepliesI have a panel that has 9 pictures boxes within it. I need the User to be able to create as many instances of this control as they like.
Then each control needs to be able to move freely within the form.
I've created the control and added the appropriate code to move it around the control.
I've made the control canvas the same size of the panel. The problem is that when I move the panel, it only moves within the bounds of the control canvas. I guess I could increase the size of the canvas, but then additional controls would still only be able to move within their bounds and it would come out all wrong.
Is there anything I could do about this? Or is there a better method?
This relates to WPF but is broad enough that a winform answer will do. I have made a few custom controls in the past by inheriting from whatever particular control I wish to inherent from.
I have noticed that I can add a form to a class/user control library from the add new dialog and have it run. When this application is compiled I get a DLL.
So my question is can I use a Form as a custom control. The reason I ask is I am creating a more advanced MsgBox for a new application I require and a form as its container makes the most sense.
I have created a custom control in one VS project. Once tested and built, I then copied the object over to a structured class library type project I hope to use as a code repository for these kind of things. To ensure I can get to the control, I created a test project and added this repository dll as a reference. The problem is that I cannot see the custom control in the toolbox.
Is there an attribute or something I should've used in the repository dll in order for this to happen?
My objective is to create a custom namespace in this repository dll so that any custom objects or controls can be referenced in various other applications without having to copy the objects to each. I know my reference is good as I can create the control in code. I would just like to see it show up in the toolbox!
I created a custom control and I'm trying to insert it into a panel, but also center it.The control itself is larger than the panel, so I've set the AutoScroll property of the panel to True. I think that might be affecting it. Perhaps I should just offset the Y axis a bit.But, either way, this is what I'm trying:
VB .NET
'Create the control
Dim AutomationReport As New AutomationReportControl
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It works just fine with the X axis, but the control is out of bounds vertically. About 1-2 inches of the top is cut off.
I did try to build a custom control but unfortunately i couldn't make it work due to lack of knowledge.I wanted to build an custom itemlist that allowed me to add 2 or 3 icons beneath it with labels associated.
View 5 RepliesI have a custom control and have created some properties for it.When I click on that control, its properties are then shown in the PropertyGrid.The problem, is that I only want to show some of the predefined properties as well as my custom properties.Does anyone know how I can filter out the properties I want shown?
View 9 RepliesI'd like to know how to make my own custom control. Please guide me from the very beginning, since I'm new to VB.Net2008.
View 4 RepliesI'm trying to add a custom DropDown to the PropertyGrid for a control. I am adding the TrackBar control. It works fine, except, I would like to have the values updated in the PropertyGrid as I move the TrackBar. As it is now, it only updates the PropertyGrid when I finish and click off the TrackBar... I know the problem lies in the Type Editor. How can I get it to allow interim values to be processed. Is there some callback function I can use?
Here is the Type Converter code:
Imports System.Windows.Forms.Design
Public Class Slider
Private editorService As IWindowsFormsEditorService
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I'm trying to create a custom control that contains a List(Of Panel). I quickly ran into an error about the base class Panel being nonserializable. So I created my own class that inherits from Panel and implemented the ISerializable interface. At the surface, everything appears to work, at least everything at design time. I don't know what would happen if I tried to run the application. Anyway, the errors occur when I try to open a file that contains my custom control. For example, I create a new Windows Form and add my custom control to it. I save the Form and close it.
Then I try to open the form and get the following error: Object of type 'MyTestApplication.SerializablePanel[]' cannot be converted to type 'MyTestApplication.SerializablePanel[]'.
I don't know what I'm doing wrong? I've opened the XML file to see what it's actually writing, and read the header notes about using binary base64 serialization. I think that's what I'm using, but I'm not sure.
Below is the code for the class SerializablePanel:
Imports System.Runtime.Serialization
Imports System.ComponentModel
<Serializable()> _
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I'm coming over from VB6 in which you could use 'user controls' to create reusuable custom controls. They were simple and contained and you can easily create several instances of a user control within the same or other apps. In vb2008 there are user controls but I can not figure out how to add them to forms or or other apps. Can someone please give me the the basic steps to add a custom user control to a form or project.
View 6 RepliesI found a custom ListBox that, strangely doesn't have an InsertAt method and I would like to add one. The custom ListBox uses an object instead of just a list of strings like a normal ListBox. I was curious what the logic behind inserting a new item at a particular index would be.The only thing I could come up with was add the new ListBoxItem at the end, then using the specified index, I could either keep moving ListBoxItem objects to the bottom, with the Add() method, from that index till the ListBoxItem at that index equals the one added, or I could use that index number in a "calculation" till I know I've moved the correct number of objects.
View 14 RepliesI've made my first little custom control. It is a textbox, then next to it a picture. I've written the code already for the picture box. It basically opens up a new form with a listview on it that displays details from the database. But now, I still want the text box to have the basic properties of a normal textbox like text alignment, enabled, backcolor, etc. But not sure how to do this.
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So I've made this control that inherits from the treeview control and basically loads objects from active directory into a treeview (url...).All working fine, but as this is the first custom control I have made that I have intended for other people to use, I'm not quite sure how I should approach error handling.I mean, obviously I shouldnt do something like show any exceptions in a messagebox because that might not be what the person that is using the control wants to happen. So do I just write out exception messages to the debug window? Do I swallow exceptions (guessing not)? Do I just totally ignore them so that they are thrown in the user's project?
View 4 RepliesI'm using a recursive search to find all of the controls on my form and then do something with those controls once I find them.This is the basic layout:
Form
-----CustomPanel
----------PanelChild
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