clsMEMDC.CloneFromHdc Method

Selects the image contained in the given Device Context and copies it to the new internal Device Context

Syntax

Public Sub CloneFromHdc (ByVal lHdc As Long, _
Optional ByVal lSrcLeft As Long = 0, _
Optional ByVal lSrcTop As Long = 0, _
Optional ByVal lSrcWidth As Long = -1, _
Optional ByVal lSrcHeight As Long = -1, _
Optional ByVal eRop As RasterOpConstants = vbSrcCopy)

Parameters

Parameter	Description
ByVal lHdc As Long	The source Device Context
Optional ByVal lSrcLeft As Long = 0	Specifies the x-coordinate of the rectangle's upper-left corner.
Optional ByVal lSrcTop As Long = 0	Specifies the y-coordinate of the rectangle's upper-left corner.
Optional ByVal lSrcWidth As Long = -1	Specifies the width of the rectangle
Optional ByVal lSrcHeight As Long = -1	Specifies the height of the rectangle
Optional ByVal eRop As RasterOpConstants = vbSrcCopy	Type of copy

Remarks

In this sample we'll color our form in red

Option Explicit

Private Sub Form_Click()

    Dim oDib As New clsMemDC
    oDib.CloneFromHdc Me.Hdc

    Dim oWrap As New clsCommonWrapper
    oWrap.DrawRectCoords oDib.Hdc, 0, 0, oDib.Width, oDib.Height, vbRed, True

    oDib.PaintPicture Me.Hdc

End Sub