[VB] Resize picture

Option Explicit

Private dx As Double, dy As Double
Private sX As Double, sY As Double
Private bInitializing As Boolean
Private bChange As Boolean
Private Working As Boolean
Private iPictureResizeMethod As Integer
Private iResizeOptionsEnum As Integer
Private iMaxWidth As Integer
Private iMaxHeight As Integer
Private iBoxColor As ColorConstants
Private bStickPictureToFrame As Boolean
Private ClickedAgain As Boolean

Private Type tXY
X As Integer
Y As Integer
End Type

Public Enum ResizeOptionsEnum
ResizeOnlySmaller = 1
ResizeNormal = 0
End Enum

Public Enum PictureResMethod
Normal = 0
NoResize = 1
End Enum

Private Buffer As StdPicture

Public Function PictureRes(ToObj As Image, PicturePath As String, ByVal ResizeOptions As ResizeOptionsEnum, ByVal iMaxWidth As Integer, ByVal iMaxHeight As Integer) As Boolean
Dim tONE As tXY
Dim tTWO As tXY

Set Buffer = LoadPicture(PicturePath)

If ResizeOptions = ResizeOnlySmaller Then
iMaxHeight = Buffer.Height
iMaxWidth = Buffer.Width
End If

If iMaxWidth > Buffer.Width Then iMaxWidth = Buffer.Width
If iMaxHeight > Buffer.Height Then iMaxHeight = Buffer.Height

ResizeToWidth iMaxWidth
If dx > 32000 Then dx = 32000
If dy > 32000 Then dy = 32000
tONE.X = dx
tONE.Y = dy
ResizeToHeight iMaxHeight
If dx > 32000 Then dx = 32000
If dy > 32000 Then dy = 32000
tTWO.X = dx
tTWO.Y = dy

Select Case Buffer.Width
Case Is > Buffer.Height
If tONE.X <= iMaxWidth Then
dx = tONE.X
dy = tONE.Y
Else
dx = tTWO.X
dy = tTWO.Y
End If
Case Else
If tONE.Y <= iMaxHeight Then
dx = tONE.X
dy = tONE.Y
Else
dx = tTWO.X
dy = tTWO.Y
End If
End Select

LoadMainPic ToObj
PictureRes = True
End Function

Private Function ResizeToWidth(ByVal Width As Integer)
Dim i As Single

sX = Buffer.Width
sY = Buffer.Height

Select Case sX
Case Is <= Width
i = Width / sX
dx = sX * i
dy = sY * i
Case Else
i = sX / Width
dx = sX / i
dy = sY / i
End Select

End Function

Private Function ResizeToHeight(ByVal iHeight As Integer)
Dim i As Double

sX = Buffer.Width
sY = Buffer.Height

Select Case sY
Case Is >= iHeight
i = iHeight / sY
dx = sX * i
dy = sY * i
Case Else
i = iHeight / sY
dx = sX * i
dy = sY * i
End Select

End Function

Private Function LoadMainPic(MainPic As Image)
MainPic.Stretch = True
MainPic.Visible = False
MainPic.Width = dx
MainPic.Height = dy
MainPic.Picture = Buffer
MainPic.Visible = True
End Function