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Imports System.Windows.Forms
Module Extensions
<System.Runtime.CompilerServices.Extension()> _
Public Sub UIThread(control As Control, code As Action)
If control.InvokeRequired Then
control.BeginInvoke(code)
Else
code.Invoke()
End If
End Sub
<System.Runtime.CompilerServices.Extension()> _
Public Sub UIThreadInvoke(control As Control, code As Action)
If control.InvokeRequired Then
control.Invoke(code)
Else
code.Invoke()
End If
End Sub
<System.Runtime.CompilerServices.Extension()> _
Public Function GetUnits(control As System.Windows.Forms.GridItem) As String
If control.Value.ToString().Split(" ").Length > 1 Then
Return control.Value.ToString.Substring(control.Value.ToString.IndexOf(" "c) + 1, control.Value.ToString.Length - control.Value.ToString.IndexOf(" "c) - 1)
Else
Return ""
End If
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function GetValue(control As System.Windows.Forms.GridItem) As Double
Dim istring As Object
If control.Value.ToString().Split(" ").Length > 1 Then
istring = control.Value.ToString().Split(" ")(0)
If Double.TryParse(istring.ToString, New Double) Then
Return Convert.ToDouble(istring)
Else
Return Double.NaN
End If
ElseIf control.Value.ToString().Split(" ").Length = 1 Then
istring = control.Value
If Double.TryParse(istring.ToString, New Double) Then
Return Convert.ToDouble(control.Value)
Else
Return Double.NaN
End If
Else
Return Double.NaN
End If
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function ToArrayString(vector As Double()) As String
Dim retstr As String = "{ "
For Each d In vector
retstr += d.ToString + ", "
Next
retstr.TrimEnd(",")
retstr += "}"
Return retstr
End Function
<System.Runtime.CompilerServices.Extension()>
Public Function ToArrayString(vector As Double(), ByVal ci As System.Globalization.CultureInfo) As String
If vector.Length > 1 Then
Dim retstr As String = "{"
For Each d As Double In vector
retstr += d.ToString(ci) + "; "
Next
retstr = retstr.TrimEnd(New Char() {";"c, " "c})
retstr += "}"
Return retstr
ElseIf vector.Length > 0 Then
Return vector(0).ToString(ci)
Else
Return ""
End If
End Function
<System.Runtime.CompilerServices.Extension()>
Public Function ToDoubleArray(text As String, ByVal ci As System.Globalization.CultureInfo) As Double()
Dim numbers As String() = text.Trim(New Char() {"{"c, "}"c}).Split(";"c)
Dim doubles As New List(Of Double)
For Each n As String In numbers
If n <> "" Then doubles.Add(Convert.ToDouble(n, ci))
Next
Return doubles.ToArray
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function ToArrayString(vector As String()) As String
Dim retstr As String = "{ "
For Each s In vector
retstr += s + ", "
Next
retstr.TrimEnd(",")
retstr += "}"
Return retstr
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function ToArrayString(vector As Object()) As String
Dim retstr As String = "{ "
For Each d In vector
retstr += d.ToString + ", "
Next
retstr.TrimEnd(",")
retstr += "}"
Return retstr
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function ToArrayString(vector As Array) As String
Dim retstr As String = "{ "
For Each d In vector
retstr += d.ToString + ", "
Next
retstr.TrimEnd(",")
retstr += "}"
Return retstr
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Sub PasteData(dgv As DataGridView)
PasteData2(dgv, Clipboard.GetText())
End Sub
<System.Runtime.CompilerServices.Extension()> _
Public Sub PasteData2(dgv As DataGridView, data As String)
Dim tArr() As String
Dim arT() As String
Dim i, ii As Integer
Dim c, cc, r As Integer
tArr = data.Split(New Char() {vbLf, vbCr, vbCrLf})
If dgv.SelectedCells.Count > 0 Then
r = dgv.SelectedCells(0).RowIndex
c = dgv.SelectedCells(0).ColumnIndex
Else
r = 0
c = 0
End If
For i = 0 To tArr.Length - 1
If tArr(i) <> "" Then
arT = tArr(i).Split(Char.ConvertFromUtf32(9))
For ii = 0 To arT.Length - 1
If r > dgv.Rows.Count - 1 Then
dgv.Rows.Add()
End If
Next
r = r + 1
End If
Next
If dgv.SelectedCells.Count > 0 Then
r = dgv.SelectedCells(0).RowIndex
c = dgv.SelectedCells(0).ColumnIndex
Else
r = 0
c = 0
End If
For i = 0 To tArr.Length - 1
If tArr(i) <> "" Then
arT = tArr(i).Split(Char.ConvertFromUtf32(9))
cc = c
If r <= dgv.Rows.Count - 1 Then
For ii = 0 To arT.Length - 1
cc = GetNextVisibleCol(dgv, cc)
If cc > dgv.ColumnCount - 1 Then Exit For
dgv.Item(cc, r).Value = arT(ii).TrimStart
cc = cc + 1
Next
End If
r = r + 1
End If
Next
End Sub
Function GetNextVisibleCol(dgv As DataGridView, stidx As Integer) As Integer
Dim i As Integer
For i = stidx To dgv.ColumnCount - 1
If dgv.Columns(i).Visible Then Return i
Next
Return Nothing
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function IsValid(d As Double) As Boolean
If Double.IsNaN(d) Or Double.IsInfinity(d) Then Return False Else Return True
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function IsValid(d As Nullable(Of Double)) As Boolean
If Double.IsNaN(d.GetValueOrDefault) Or Double.IsInfinity(d.GetValueOrDefault) Then Return False Else Return True
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function IsPositive(d As Double) As Boolean
If d.IsValid() Then
If d > 0.0# Then Return True Else Return False
Else
Throw New ArgumentException("invalid double")
End If
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function IsPositive(d As Nullable(Of Double)) As Boolean
If d.GetValueOrDefault.IsValid() Then
If d.GetValueOrDefault > 0.0# Then Return True Else Return False
Else
Throw New ArgumentException("invalid double")
End If
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function IsNegative(d As Double) As Boolean
If d.IsValid() Then
If d < 0.0# Then Return True Else Return False
Else
Throw New ArgumentException("invalid double")
End If
End Function
<System.Runtime.CompilerServices.Extension()> _
Public Function IsNegative(d As Nullable(Of Double)) As Boolean
If d.GetValueOrDefault.IsValid() Then
If d.GetValueOrDefault < 0.0# Then Return True Else Return False
Else
Throw New ArgumentException("invalid double")
End If
End Function
''' <summary>
''' Alternative implementation for the Exponential (Exp) function.
''' </summary>
''' <param name="val"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension()> Public Function ExpY(val As Double) As Double
Dim tmp As Long = CLng(1512775 * val + 1072632447)
Return BitConverter.Int64BitsToDouble(tmp << 32)
End Function
''' <summary>
''' Converts a two-dimensional array to a jagged array.
''' </summary>
''' <typeparam name="T"></typeparam>
''' <param name="twoDimensionalArray"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension> Public Function ToJaggedArray(Of T)(twoDimensionalArray As T(,)) As T()()
Dim rowsFirstIndex As Integer = twoDimensionalArray.GetLowerBound(0)
Dim rowsLastIndex As Integer = twoDimensionalArray.GetUpperBound(0)
Dim numberOfRows As Integer = rowsLastIndex + 1
Dim columnsFirstIndex As Integer = twoDimensionalArray.GetLowerBound(1)
Dim columnsLastIndex As Integer = twoDimensionalArray.GetUpperBound(1)
Dim numberOfColumns As Integer = columnsLastIndex + 1
Dim jaggedArray As T()() = New T(numberOfRows - 1)() {}
For i As Integer = rowsFirstIndex To rowsLastIndex
jaggedArray(i) = New T(numberOfColumns - 1) {}
For j As Integer = columnsFirstIndex To columnsLastIndex
jaggedArray(i)(j) = twoDimensionalArray(i, j)
Next
Next
Return jaggedArray
End Function
''' <summary>
''' Converts a jagged array to a two-dimensional array.
''' </summary>
''' <typeparam name="T"></typeparam>
''' <param name="jaggedArray"></param>
''' <returns></returns>
''' <remarks></remarks>
<System.Runtime.CompilerServices.Extension> Public Function FromJaggedArray(Of T)(jaggedArray As T()()) As T(,)
Dim rowsFirstIndex As Integer = jaggedArray.GetLowerBound(0)
Dim rowsLastIndex As Integer = jaggedArray.GetUpperBound(0)
Dim numberOfRows As Integer = rowsLastIndex + 1
Dim columnsFirstIndex As Integer = jaggedArray(0).GetLowerBound(0)
Dim columnsLastIndex As Integer = jaggedArray(0).GetUpperBound(0)
Dim numberOfColumns As Integer = columnsLastIndex + 1
Dim twoDimensionalArray As T(,) = New T(numberOfRows - 1, numberOfColumns - 1) {}
For i As Integer = rowsFirstIndex To rowsLastIndex
For j As Integer = columnsFirstIndex To columnsLastIndex
twoDimensionalArray(i, j) = jaggedArray(i)(j)
Next
Next
Return twoDimensionalArray
End Function
End Module
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