The BeginDraw Method is available in LEADTOOLS Document and Medical Imaging toolkits.
- graphics
- The Graphics surface on which to draw this AnnObject.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Protected Overridable Function BeginDraw( _ ByVal graphics As Graphics _ ) As GraphicsState | |
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As AnnObject Dim graphics As Graphics Dim value As GraphicsState value = instance.BeginDraw(graphics) | |
| C# | |
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protected virtual GraphicsState BeginDraw( Graphics graphics ) | |
| C++/CLI | |
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protected: virtual GraphicsState^ BeginDraw( Graphics^ graphics ) | |
Parameters
- graphics
- The Graphics surface on which to draw this AnnObject.
Return Value
A System.Drawing.Drawing2D.GraphicsState object if this AnnObject is visible; null (Nothing in Visual Basic) otherwise.Remarks
This method is called internally by the annotation framework whenever the AnnObject.Draw method is called. You do not need to call this method directly.
Derived classes that call this method must call EndDraw after all drawing operation is over passing the System.Drawing.Drawing2D.GraphicsState value returned from this method.
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7