c# type Bitmap is have in the system or we can create any kind of type

Bitmap In the code below we can create it or it is one type on c# system already

// Create a temporary bitmap...

Bitmap tmpBitmap = new Bitmap(1,1,PixelFormat.Format32bppArgb);
objGraphics = Graphics.FromImage(tmpBitmap);开发者_如何学编程
// measure the barcode size...

SizeF barCodeSize=objGraphics.MeasureString(barCodeString,c39Font);

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Bitmap is System Type...which you can find in System.Drawing namespace...

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http://msdn.microsoft.com/en-us/library/system.drawing.bitmap.aspx

Please use google and msdn. Or try to search in object browser under View menu of Visual studio