@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The CreateRoundRectRgn API !!!!C# Signature: [DllImport("gdi32.dll")] static extern IntPtr CreateRoundRectRgn(int x1, int y1, int x2, int y2, int cx, int cy); !!!!User-Defined Types: None. !!!!VBNET Signature : <DllImport("Gdi32.dll", EntryPoint:="CreateRoundRectRgn")> Private Shared Function CreateRoundRectRgn(ByVal nLeftRect As Integer, ByVal nTopRect As Integer, ByVal nRightRect As Integer, ByVal nBottomRect As Integer, ByVal nWidthEllipse As Integer, ByVal nHeightEllipse As Integer) As IntPtr End Function !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code C#: private void Form_Paint( object p_SenderObject, System.Windows.Forms.PaintEventArgs p_Arguments ) { IntPtr _RegionHandle = CreateRoundRectRgn( 10, 10, 60, 60, 10, 10 ); Region _Region = Region.FromHrgn( _RegionHandle ); p_Arguments.Graphics.FillRegion( new SolidBrush( Color.Black ), _Region ); } !!!!Sample Code VBNET : Private Radius_AZ As Integer = 20 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Region = System.Drawing.Region.FromHrgn(CreateRoundRectRgn(0, 0, Width, Height, Radius_AZ, Radius_AZ)) MyBase.OnPaint(e) End Sub !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: CreateRoundRectRgn@msdn on MSDN
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