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It suffers from the #1 Problem on Bob's GDI FAQ: http://www.bobpowell.net/picturebox.htm - the drawing disapears when the picturebox.paint method is called. This will happen if you drag your form off screen and back on, or if another form moves across your form. It happens because the areas of...

The structure is passed as a blob of memory. Your program and the dll have to map out where the structures variables lie in that memory in the same way - otherwise things go astray. Lets say you have a structure: Structure Blah value1 as integer value2 as integer End Structure But in the dll...

Friend Class ProjectConstants Private Shared m_numerOfBeersInASixPack = 6 Public Shared ReadOnly Property NumerOfBeersInASixPack() As Integer Get Return m_numerOfBeersInASixPack End Get End Property End Class

I don't understand what encryption you mean. If you need to encrypt something then an obfuscator will encrypt the constants too. If you don't want to use a constant, then at least use a readonly porperty. Your Public Shared variable just ignores the whole reason for using a constant in the first...

constants are implicity shared (so sayeth the msdn)

There is a thing called MSBee to build 1.1 apps in VS2005 - it's on GotDotNet.com

Here's a vb 2005 only tip: Dim iVal As Double If Double.TryParse(TextBox1.Text, iVal) Then Me.Text = iVal.ToString Else Me.Text = "Enter a double you fool!!" End If This is recommended as using try..catch is slow when the catch block is...

<DllImport("ole32.dll")> _ Private Shared Function OleSetClipboard(ByVal theDataObject As IDataObject) As Integer End Function send nothing

http://netcontrols.org/nplot/wiki/ http://zedgraph.sourceforge.net/

You could try getting the results another way, see the vb.net 101 examples http://www.microsoft.com/downloads/details.aspx?FamilyId=08E3D5F8-033D-420B-A3B1-3074505C03F3&displaylang=en framework - using wmi

http://www.microsoft.com/downloads/details.aspx?familyid=2adbc1a8-ae5c-497d-b584-eab6719300cd&displaylang=en

use imports System.ComponentModel and then: <Browsable(True), Category("Appearance"), DefaultValue(GetType(Image), "Nothing")> _ Public Property MyImage() As Image Get Return m_MyImage End Get Set(ByVal Value As Image) m_MyImage = Value...

It works with a small tweak - you need withevents for the objPrintDocument Private WithEvents objPrintDocument As New PrintDocument Private objStreamToPrint As StreamReader Private objPrintFont As Font Private Sub btnPrint_Click(ByVal sender As System.Object, ByVal e As...

never mind, load of rubbish what I just said...

the handler is for .PrintPage, but you are calling .Print

I just found that out too. The combobox is apparently two controls. You have a listbox like control with the text, and the arrow. So wndproc is overriding the drop arrow. Urgh. This means you can use wndproc to stop the drop by blocking the mouse on the drop arrow. But it doesn't work to block...

you can get the keys by overriding processcmdkey so for paste keys: Protected Overrides Function ProcessCmdKey(ByRef m As System.Windows.Forms.Message, _ ByVal keyData As System.Windows.Forms.Keys) As Boolean Const WM_KEYDOWN As Integer = &H100 Const WM_SYSKEYDOWN As...

You can use the .net convert class to convert datatypes. uints -> ints ints -> uints. You get an overflow exception when the numbers don't fit into the target type. Convert.toInt32(some UInt)

I also found that you can still move into the combobox with arrow keys when it is read only. The only way I found to get around it so far was to trap the arrow keypresses on the controls next to the comboboxes. And to do that you need to mess with IsInputKey. Public Class MyButton...

I hate that too: Public Class MyComboBox 'new combobox that can be set to readonly so that its forcolor is black whien not in use. Inherits System.Windows.Forms.ComboBox ' make a variable to store readonly status. Private m_ReadOnly As Boolean = False...