Clear Method
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Clears the entire drawing surface.
Namespace: Microsoft.SPOT
Assembly: Microsoft.SPOT.Graphics (in Microsoft.SPOT.Graphics.dll)
Syntax
'Declaration
Public Sub Clear
public void Clear()
public:
void Clear()
member Clear : unit -> unit
public function Clear()
Remarks
If a bitmap is embedded as a resource, and its BitmapImageType is Bmp, then the Bitmap object is read-only, and attempts to modify it will throw an exception. You must make a copy of it using Bitmap.DrawImage, and modify the copy, as shown in the following code:
Bitmap bmpMyBitmap = Resources.GetBitmap(Resources.BitmapResources.MyBitmap);
Bitmap bmpCopy = new Bitmap(bmpMyBitmap.Width, bmpMyBitmap.Height);
// copy the bitmap
bmpCopy.DrawImage(0, 0, bmpMyBitmap, 0, 0, bmpMyBitmap.Width, bmpMyBitmap.Height);
// now you may modify the copy using any Bitmap method
bmpCopy.MakeTransparent(Microsoft.SPOT.Presentation.Media.Color.White);
The .NET Micro Framework provides the Microsoft.SPOT.Bitmap class for lower-level access, such as animation. For displaying static bitmaps and hyperlinked bitmaps, use the Image control.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.