Hello there,
Does anyone know how to to Bitmap masking in .NET,
In c++ i used,
CreateCompatibleDC
GetBitmap

Then on the bitmap and the bitmap mask i called.
{SelectBitmap
StretchBlt}

No I gather i can do this
Bitmap offScreenBmp;
Graphics offScreenDC;
offScreenBmp = new Bitmap(this.Width, this.Height);
offScreenDC = Graphics.FromImage(offScreenBmp);

but how do i load the second bitmap mask somehow to make a transparent bitmap?

thanks in advance
Brian Keating

Hello again,
think i've this one sussed.
Bitmap class has a MakeTransparent method this is what i want I should think
thanks for having a look however

regds
Brian Keating

"Brian Keating EI9FXB" wrote:

> Hello there,
> Does anyone know how to to Bitmap masking in .NET,
> In c++ i used,
> CreateCompatibleDC
> GetBitmap
>
> Then on the bitmap and the bitmap mask i called.
> {SelectBitmap
> StretchBlt}
>
> No I gather i can do this
> Bitmap offScreenBmp;
> Graphics offScreenDC;
> offScreenBmp = new Bitmap(this.Width, this.Height);
> offScreenDC = Graphics.FromImage(offScreenBmp);
>
> but how do i load the second bitmap mask somehow to make a transparent bitmap?
>
> thanks in advance
> Brian Keating
>