It seems that my form refuses to draw quickly enough. I am using this
[code]...
This ends with the form freezing for a moment, and then it resizes, but it's not until the end of the resize does it display properly, during the resize, their is a big black bar where the new part of the form is supposed to be.And when it's done resizing, it draws itself correctly.
I have a method where I am making a trial period.When the date has exceded its trialperiod the program will not close.The code looks like this:
Public Sub DemoRestrict()
If My.Settings.dteStartDate = Nothing Then
My.Settings.dteStartDate = Now
[code].....
I want to draw graph in visual basic 2010 form which changes with time. Just like the CPU usage history graph in the "Windows task manager" dialog box. Thats time vs. usage graph. I want to make applications with that kind of graph.
View 3 Repliesi wanta like is like a maze each time u click it exendese the line.the promblem is the walls and well i dont know how to draw line(+ a {} at each connecting point) and have the line not be able to pass the wall and if it pass it, it able to detect the shorts path of lines which u can set it on if off. for the training session.
View 3 Repliesi want to draw a line on my picture box but i would like have another line but on rotate condition (on the same time i move my mouse to draw a line)
-i know how to draw a line
-i know how to rotate a picture
but i don't know how to combine that two things
Private m_LastPoint As Point = Nothing
Dim LPen As New Pen(System.Drawing.Color.Black)
Private Sub PictureBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PicPad.MouseDown
[code]....
In my card game program, I have used 4 main GroupBoxes to act as dialogue boxes. Some contain additional GroupBoxes to house such things as RadioButtons, TextBoxes and CheckBoxes.Software places them when and where needed, so I usually move them apart in the Design screen to keep them all visible at once. However, with each new GroupBox I added to the program, their behaviour became increasingly vexing.In the design window, they are not allowed to overlap, or they will either partially or completely disappear. When they disappear, I have to find them with the Properties Viewer (when selected, the 4 sizing blocks appear and I can tease the drag symbol to appear).Worse, when my program is running, a GroupBox left in the Design mode in an "unfavoured location" (for lack of a better term) will refuse to appear when called.
I have single stepped past the code that positions the GroupBox and makes it visible and I have noted that the top and left positions are correct, but when I let the mouse hover over the word 'Visible' in the line "GroupBox1.Visible = True" the popup reports it as False.There is nothing I can do at run-time to make the GroupBox appear. I must return to the Design window and try moving it to a more favourable location.
I have an old app still written in VB2003 that required some changes, part of that was revamping a menu that isn't behaving.I've deleted it and it doesn't show in the designer but when I start the program there it is, and still not correct.How do I really get rid of it so I can build another one?I'd hate to have to delete the whole MainMenu, this is the 5th in line, that would be a lot of re-creating.
View 8 RepliesOkay so ive got this project iv been working on. Almost ready to get the beta on its way, last thing I needed to do is retrieve the EXE and change its icon. I found the EXE in the "bin" folder. Copied it to desktop. I went through the properties, no way to do it. Then I searched youtube, and google. Only possible way to change it I found was to use softwares. I tried Resource Hacker (ive used years back, this program was handy), but it didnt work. I replaced the default window-looking box icon with my icon, and that seemed fine. But once I saved and exit, the new file with updated icon was supposed to be created. Well it was, except just looking at the file icon I knew it didnt work. But when I right click and go to properties, that one changed. So why dosnt the MAIN icon change? In RH I seen no other icons
View 5 RepliesIn this windows forms app, I have a form with six comboboxes. Two are parents, one with a single child and the other with three children. All of these work beautifully except for one of the children. The code for each one is identical, and I've verified the query against the database a dozen times. I even have another of the children that is in the very same block of code. One works beautifully, the other one refuses to populate any data. Below is the code for the one that doesn't work. I would tell you on what line the error occurs, but it doesn't throw any errors. Try catches show nothing, and I have VS 2010 set to throw all errors, but I get nothing, just an empty combo box where there should be a list of names.
Public Class errorTracking_submit
Dim ConnectionString = "Data Source=dvmx6030MS2005_DEV1, 2755; user id =CRCUser;password=TWC5uck5;database=CRCTools;Connection Timeout=5"
[code]....
I've spent weeks working on a project. I develop on both of my computers (Desktop and Laptop) which are both equipped with VS Express 2010. The programs debug, and compile with no issues on both of my machines, even when the .exe is removed from the debug folder and placed elsewhere. However, when I try and run the program on my brother's computer, the initial form jumps up on the screen as desired. Then the program is designed to open the next form upon the click of a button. When that button is pushed, we get the following:
See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.
[Code].....
I have a method where I am making a trial period. When the date has exceded its trialperiod the program will not close.
The code looks like this:
Public Sub DemoRestrict()
If My.Settings.dteStartDate = Nothing Then
My.Settings.dteStartDate = Now
End If
If My.Settings.intTime = Nothing Then
[Code] .....
Why does the form not close? Is just runs to the next method in the load sequence.
I'm using Visual Studio 2005 (college only has 2005 so..) and I have a very important program to write for college.My problem is, every time I try to compile I get the error: "Error while trying to run project: Could not load file or assembly "Program" or one of its dependencies. The given assembly name or codebase was invalid." We're talking a very simple program - I've only been learning for a few weeks.
View 7 RepliesI've searched everywhere to find out why the heck my program is doing this, but couldn't find anything like it...? I'm making a flash card program. Part of my program takes images corresponding to other data from a certain area, chosen by the user, and moves them to another folder, for later use. I want to store the path for the image next to the other data, storing the path as a string. When no image is chosen, the variable for the path is simply "no image".
[Code]...
I am using this line of code on form load event it is working very fine but i have to problems
1. It replaces the form name and display the date and time but i want to keep both date and time and forms caption separated by some space.
2. When form loads it load the current date and time but the time does not change it should run.
What should i do please please help me code is as follows
Me.Text = Date.Now.ToLongDateString & " - " & TimeOfDay
I have an object (ClassGPS) containing a DataTable that is exposed through the property "Satellites". My form has a bindingsource that, upon load, associates itself to a new ClassGPS object. The table has 5 columns, two of which ("PRN" and "dB") I want to chart using the new 4.0 chart tool. So the chart object's DataSource = ClassGPSBindingSource, and the DataMember = Satellites. That is all set in the designer.In ClassGPS.New(), the table is pre-loaded with 4 rows. This object is created before the form loads. When the form loads and the bindingsource is set to the created GPS object, the chart correctly updates and displays the four pre-loaded entries.On this form, I have a button that adds more entries. Tracing from the Click event, pushing the button does add the entries properly to the underlying table, and if I create a ListCHanged handler on the data source, the events are all correctly firing, but the Chart does not update to reflect the changes.
So to test, I added a Datagridview object. Just like the chart, I set its datasource to ClassGPSBindingSource, and the DataMember to Satellites. And here's where it gets weird. In the designer, the newly added DataGridView control has 4 columns in it labeled RowVersion, Row, IsNew, and IsEdit. I didn't create these columns, it does it itself. If I try to change the bindings on these columns to reflect the actual datatable names (PRN and dB) two things can happen:
1) If I hit Play (F5) to debug the program, the DataGridView looks and acts correctly inside the program and is correctly bound and updating fine as I add new data. In the designer underneath however, the changed columns have disappeared and are replaced with the original four it is creating for no apparent reason. When the debug session terminates, the columns - which just finished functioning fine in the debug session - are now gone.
2) If I hit Build, the designer destroys my columns immediately and recreates those it defaulted to.In either case, something very fishy is going on... in that the Chart, with the exact same binding settings as the datagridview, does not work but the datagridview works just fine (unless Build is hit prior to Run).Has anyone run across this? Can you reproduce it? I have bound a chart to a datatable before and it worked just fine, but it didn't have to update except when the form it was on was closed and later re-loaded.
I'm trying to draw a 400x400 px image to a 400x400 form that I made. What I'm doing is:
Graphics.DrawImage Method (Image, 0, 0, 400, 400) 0, 0, 400, 400, ...
But when I run the form, the image seems to stretch slightly upon the y-axis, the x-axis seems to be working correctly.
This was what I was doing before (stretching the old smaller images to fit the size)
... (Image, 0, 0, 264, 231) 0, 0, 400, 400, ...
or something like that. Now that I'm trying to do it the correct way, I can't seem to get it to work properly.
Edit: I wonder if using a simpler verson of Graphics.DrawImage would work?
I have an "application" that consists of a form Form1, with the following code behind it:
Public Class Form1
Dim xDown As Integer, yDown As Integer
Dim g As Graphics = Me.CreateGraphics
Dim p As Pen = New Pen(Color.Black, 1)
Dim r As New Rectangle
[Code]...
How can I do the same thing with other shaped like rectangle?
I know that I need x,y,widht,height but it still don't do my rec.
in vb.net i would like to draw a regular line on a form. is there a control to do this?
View 2 RepliesCan i draw a image outside my form?
View 3 RepliesI want to move cursor with visual basic and it seems I found way how to do that. It is possible even click with Visual Basic whereever on screen. But I cannot check out where on the screen the click was done and so I want to draw two short crossing lines on that point as marker where Visual Basic clicked on screen. If it is possible to move cursor to that position and show it then it is as good as drawing marker.
View 4 RepliesCan I draw my own shapes (such as a filled circle, square, etc.) on a form?Can it be done from code as well as from the designer?Can I use events such as onClick() on the shapes?
View 3 RepliesDraw rectangle outside of form?[url]...
View 1 RepliesI would like to draw a rectangular outside the form using mouse position but so far, I only found out how to draw rectangular inside the form.
View 12 RepliesI want to draw a histogram when Form2 is loaded, I load Form2 using button of Form1 It didnt work, Form2 is loaded, but no image...i dont know why here's the code
Private Sub Form2_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
Dim img As Graphics = PictureBox1.CreateGraphics
[Code]....
On Form1 we have: TextBox1 TreeView1 - holds list of customers, is located near the bottom of the form, not visible from the start. Now, when I start typing text in TextBox1 (i need to filter customers), TreeView1 appears and suggest for example 30 customers matching the searched text. I want the program to show the treeview and draw it also outside of the Form1 boundaries.
View 7 RepliesI am basically teaching my students about OO programming and want them to be able to see the outcomes to methods visually. I want to draw shapes on a form but cant for the life of me get it to work - no errors but no actual shapes are being drawn. So I have created a method called drawFace which is run when a new instance of the object is created. This method has the following code in it
Form1.CreateGraphics.DrawEllipse(Pens.Black, 100, 100, 100, 50)
It doesn't cause any errors, but it doesn't seem to do anything. Also tried adding a picture box to the stage and ammending the code as such
Form1.PictureBox1.CreateGraphics.DrawEllipse(Pens.Black, 100, 100, 100, 50)
But still no joy.
i am trying to create a form that allows me to add teams and the scores and then be able to re-open and view them. i have created a form that will create the team names and save it to a file but i have no idea how to create one that will show the scores with the corresponding teams. i am using visual basic express 2008.
View 2 RepliesI need to draw a'wave form' in a panel inVB.net, the wave form will be updated once every one second. the problem is the screen blinking whenever it is updated. how can I solve this problem? the paint event code as below.
[code]...
This code is to draw a circle in the form with one button in vb.net. Dim g as system.drawing.graphics
g=me.creategraphics
dim p as new system.drawing.pent(system.drawing.color.Blueviolet)
g.drawellipse(p,150,100,30,60)
end sub
this is not working it is showing the error in the declaration of p any one can help me out to rectify this error