I want to set opacity option in my rectangle.
but I can’t find the option
How can I set opacity?
here is my code
Aspose.Pdf.Drawing.Graph graph1 = new Aspose.Pdf.Drawing.Graph(Convert.ToSingle(page.PageInfo.Width), Convert.ToSingle(page.PageInfo.Height))
{
IsChangePosition = false,
Left = 0 - page.PageInfo.Margin.Left,
Top = 0 - page.PageInfo.Margin.Top
};
// Add a rectangle inside the "graph"
Aspose.Pdf.Drawing.Rectangle rect1 = new Aspose.Pdf.Drawing.Rectangle(0, 0, Convert.ToSingle(page.PageInfo.Width), Convert.ToSingle(page.PageInfo.Height));
// Set rectangle fill color
// Color of graph object
rect1.GraphInfo.FillColor = Aspose.Pdf.Color.Blue;
// Add rectangle to shapes collection of graph instance
graph1.Shapes.Add(rect1);
// Set Z-Index for rectangle object
graph1.ZIndex = 1;
// Add graph to paragraphs collection of page object
page.Paragraphs.Add(graph1);