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For the color of the wires? No, there isn't. But the function of each pin on the DB-25 connector is.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi all, 
anybody having sample code for sending emails using Extended MAPI objects?? if so pls help me... its urgent... or give any sample code links...
Thanks in advance... 
Boomi.
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Extended MAPI is referred to as MAPI 1.0 and is the FULL function library. CDO.DLL (Collaboration Data Objects) wraps a good chunk of the MAPI API, but not all of it. There is a second flavor of CDO called CDONTS. CDONTS is an SMTP implementation, not MAPI, and will render certain message contents as HTML.
Simple MAPI is a subset of 12 functions that implement just the basic functionality of MAPI.
Visual Basic 3 thru 6 and Outlook Express all supply objects that support Simple MAPI only!
In order to use the FULL functionality of the MAPI 1.0 specification, you'll have to P/Invoke the MAPI functions yourself, defining Declares and structures that are required by the MAPI API Library.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Try to check the information from here.[^]
A thousand mile of journey, begin with the first step.
APO-CEDC
Save Children Norway-Cambodia Office
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How is the Product Version build and revision number value incremented? It doesn't seem to change when every build is done.
Any hints?
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In your project's .config file, there is an AssemblyVersion attribute. If the string in that attribute tab has an asterisk in it, like "1.1.*", it will autoincrement the build and revision parts. By default, the build portion will be the number of days since Jan 1, 2000 and the revision portion will be the number of seconds since midnight divided by 2.
I highly recommend you DON'T use autoincrementing values. If your projects will have any COM interaction, letting the version number change every time you hit "Build" will play hell with applications using your components.
EDIT:
BTW: ProductVersion doesn't increment on it's own. You have to change it.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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If I want to adjust the height property of RptLine in the data report at run-time, what sholud i do if it's possible?
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I've never used the DataReport objects, but from the documentation, it looks like you could just do something like:
RptLine.Height = someNewHeight
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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I tried that Dave told me, but it's not work. May be I adjust at wrong time.
What time i should do it?
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ok, i am writing a program for a class. it is supposed to be set up in a jeopardy type fashion. i am trying to get it so that whenever the user clicks on the button, then a form will pop-up refering to an excel spreadsheet to fill in the question to the appropriate text box and the answers to the correct text boxes also. i have the main form and then 1 form that is for the true/false questions and another form for the multiple choice questions. any help would be great. if you would like to see the program to better understand what i am talking about, please e-mail me. thanks
matthew davis
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Help with what? You haven't said anything abbout what your problem is...
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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making the forms get information from an excel spreadsheet and then put the info in the right text box
matthew davis
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Matt,
a) You've got a bit of work ahead of you.
b) you're in the wrong forum, this one is for VB.NET
c) anyway, here's a class and some code I used to read and write to Excel files.
----
Option Explicit
Public sFileName As String
Dim sCurrentWorksheet As String
Dim bExcelWasRunning As Boolean
Public oExcel As Object
'Sub EnterValue()
' Worksheets("Sheet1").Cells(6, 1).Value = 10
'End Sub
'The Cells property works well for looping through a range of cells, because you can substitute variables for the index numbers, as shown in the following example.'
'Sub CycleThrough()
' Dim counter As Integer
' For counter = 1 To 20
' Worksheets("Sheet1").Cells(counter, 3).Value = counter
' Next counter
'End Sub
Public Function Init(ByVal asExcelFileName As String) ' , ByVal asCurrentWorksheet) as boolean
' Get handle to currently loaded instance of Excel if there is one.
Init = False
bExcelWasRunning = False
Err.Clear
On Error Resume Next
Set oExcel = CreateObject("Excel.Application")
If Err.number <> 0 Then
MsgBox ("Could not start up Excel. [E9810180901]")
Exit Function
End If
On Error GoTo OpenError
If asExcelFileName = "" Then
Dim xlWb As Object
Dim xlWs As Object
Set xlWb = oExcel.Workbooks.Add
Set xlWs = xlWb.Worksheets("Sheet1")
Else
sFileName = asExcelFileName
On Error GoTo OpenError
oExcel.Workbooks.Open asExcelFileName
On Error GoTo 0
Err.Clear
End If
Init = True
Exit Function
OpenError:
MsgBox ("Error while opening the Excel file: " & asExcelFileName & " " & vbCrLf & vbCrLf & Err.Description)
Init = False
End Function
Public Sub destroy()
' Shut down word if we loaded it ourselves, otherwise don't shut down an app we did not load.
If Not bExcelWasRunning Then oExcel.Quit
End Sub
----
----
' some mainline code that uses the class above.
dim objExcel as clsExcel
Set objExcel = New clsExcel
Call objExcel.Init(txtExcelInputFile.Text) ' open the file...like c:\mydirectory\SomeExcelFile.xls
Dim s As String
On Error Resume Next
s = objExcel.sFileName
If Err.number = 91 Then
MsgBox ("Please use File / Open Excel Input File Menu to connect to the Excel file you want to import.")
Exit Sub
End If
On Error Resume Next
With objExcel.oExcel.Worksheets(SheetID) '("Sheet1")
foo = .cells(1,5)
etc...
---------
Finally, you need to be careful pulling cell values from the spreadsheet.
The cell could be empty, not contain the datatype you think should be there,
or worse yet, may contain a formula.
Here's a wrapper function I wrote for pulling out what is suppose to be date-type data
Private Function GetDateField(ByVal sFieldName as string , ByVal iRow As Integer, Optional bReq As Variant) As String
Dim nCol As Integer
Dim s As String
Dim dt As Date
' bReq: is this field Required? if yes, and the data in the cell is missing, put out an error message.
If IsMissing(bReq) Then bReq = False
GetDateField = ""
' pass in the "name" of a field, look up in colInfo array within the application,
' obtain the column that data is in. Example: CityName is mapped to column 14, Salary to col 20, etc)
nCol = ColInfo(sFieldName)
If nCol = 0 Then
If bReq Then
' send error to the log file. the value is missing from the Cell, and it was a required field.
Call AppendError("Row=" & iRow & ", column " & quote(quote(ColInfo(nField, 1))) & _
" is missing from input Excel file. Please correct.")
End If
Exit Function
End If
s = Trim(objExcel.oExcel.Worksheets(SheetID).Cells(iRow, nCol).Value)
If s = "" Then
If bReq Then
Call AppendError("Row=" & iRow & " Column=" & nCol & ", Field " & quote(quote(ColInfo(nField, 1))) & _
" Field is empty. Please correct.")
End If
Exit Function
End If
On Error Resume Next
dt = CDate(s)
If Err.number <> 0 Then
' can't convert the date to a date, we're in trouble.
Call AppendError("Row=" & iRow & " Column=" & nCol & ", Field " & quote(quote(ColInfo(nField, 1))) & _
" Field is invalid: " & quote(s) & ". Please correct.")
Exit Function
End If
On Error GoTo 0
GetDateField = Format(s, "mm/dd/yyyy")
End Function
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Hi, I use a TAB control in my VB.NET Project. I create three tab.
1. tbpSearchCat<br />
2. tbpSearchArt1<br />
3. tbpSearchArt2
But when I close my project and open the project again, my TAB control change the tab order to:
1. tbpSearchArt1<br />
2. tbpSearchArt2<br />
3. tbpSearchCat
I know it change because it sort the tab via the name of the tab (tbpSearchArt1 come before tbpSearchArt2, and tbpSearchArt2 come before tbpSearchCat) I don't want to make it sort like that. I want to keep it remain as I create it. Can any one help me??
A thousand mile of journey, begin with the first step.
APO-CEDC
Save Children Norway-Cambodia Office
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I am having a bit of difficulty reproducing your problem, Do you have one tab control with 3 tab pages on it? Tab pages themselves do not have a tabstop, on the parent tab control does. Are you meaning the tab page that has focus after you close the project? Or am i up a completely different tree?
Cheers
Tom
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Tom John wrote:
Do you have one tab control with 3 tab pages on it?
Yes that right. My problem is each page is not fix as it position. The first time that I design, I arrange it as an order. But when I start it again the first tab page become the second tab page. And the second tab page become the third tab page. I don't want to do that because it is not the way that I want. But I don't know how to show the problem.
A thousand mile of journey, begin with the first step.
APO-CEDC
Save Children Norway-Cambodia Office
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Can you send me an example project cut down to the minimum required to illustrate the problem?
Cheers
Tom
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OK, I create the blank project in vb.net. Then I drag the TAB control on the form. Then I create the TAB page via the tab item property. I created the following 3 tab pages:
tabSearch1<br />
tabSearch2<br />
tabSearchAll
And I want to display it on the form like this order:
tabSearch1 tabSearch2 tabSearchAll
But when I close the project and come back to work again it display:
tabSearchAll tabSearch1 tabSearch2
That is the order that I don't want to display. I like to display as the first time that I create it. Any idea???
A thousand mile of journey, begin with the first step.
APO-CEDC
Save Children Norway-Cambodia Office
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I'm on VS2003 and can't reproduce this. If i just add the tab control then the pages it always loads (and runs) in the correct order.
Have you checked in the Items property that the pages are listed in the correct order and in the form's InitializeComponent() sub (under the windows generated code region) that the tab pages are added in the correct order.
Sorry i can't help more
Tom
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I need to draw a network diagram using vb.net. It has to be in form of a rectangle box with little compartments in it. These compartments looks as table cell and show data from database table. Is anyone can help?
Many Thanks,
Preesteya.
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Have a look at the GDI+ graphics object:
Here on MSDN[^]
http://www.bobpowell.net/[^] - Great stuff on GDI+
You can use this to draw on a control such as a form or a panel. The following code draws a grid on a panel (crudely):
Private columns As Integer = 5
Private rows As Integer = 4
Private Sub Form1_OnLoad(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
Dim newPanel As New Panel
newPanel.BorderStyle = BorderStyle.FixedSingle
newPanel.Location = New Point(20, 20)
Me.Controls.Add(newPanel)
AddHandler newPanel.Paint, AddressOf GridPaint
End Sub
Private Sub GridPaint(ByVal sender As Object, ByVal e As PaintEventArgs)
Dim p As Panel = CType(sender, Panel)
Dim g As Graphics = e.Graphics
Dim width As Integer = CInt(p.Width / columns)
Dim height As Integer = CInt(p.Height / rows)
For x As Integer = width To p.Width Step width
g.DrawLine(SystemPens.ControlDark, x, 0, x, p.Height)
Next
For y As Integer = height To p.Height Step height
g.DrawLine(SystemPens.ControlDark, 0, y, p.Width, y)
Next
End Sub
Hope this helps
Tom
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hello,am a new user to .NET. when i use a datetimepicker ( format set to short), along with some more controls in a form, the first time i executed the project, Iam able to get the focus in the Datetimepicker control(by pressing tab).
But if u select a new value in the control and use tab again am not getting the focus in datetime control. IS THIS A PATCH IN DATETIME CONTROL?
But when u click on it , the mousedown event makes the selection. so, iam thinking of invoking the mousedown evnet in the Enter Event(when the control is active by pressing tab). But not sure how to do it. or is there any other way of achiveing this?
Please help me at the earliest. Much Thanks.
Regards,Manivannan.P
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Verify that all your controls have an appropriate TabStop value and that their TabIndex has the correct order you expect. There are no know problems with TabStop in Windows Forms.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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ive never used Visual Basic 6.0 before so i have very little knowledge on how to best do certain operations. I want the user to enter a value into a text field. This string can be anything but id like a number. Next i want to convert the string to a number and do some calculation on it (lets say input + 2).
Now in a later form i want to check and see if the value that was input earlier was a number or not before the conversion. If it was 11 for instance then i want to display "13" in a label. If it was anything besides a number (float or integer) i will display "Error" in a label.
What i did was create a global string variable named aInput. In the form where this value is input into a text box (txtInputA) i used aInput = Val(txtInputA.Text) to make the inputted string a number. This helps out the strings that are actually numbers, however it messes up because it makes a character string 0, so instead of getting an error later i'll get 2.
Example Of What I Want:
User inputs 3...........later on will display 5
User inputs 0...........later on will display 2
User inputs c76e........later on will display error
My guess is that there is a simple way to do this, or that im doing this in a very inconvenient method, but this was all i could do with my knowledge of this language.
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In vb6 you can use the function IsNumeric() to determine whether a string can be converted into numeric values or not. It returns boolean True/False.
Hope it helps!
Edbert P.
Sydney, Australia.
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