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2 Questions about Grouping Area

Thread ID:





19227 Sep 21,2004 02:37 PM UTC Sep 21,2004 05:28 PM UTC WinForms 2
Tags: Grouping
Bert Lowry
Asked On September 21, 2004 02:37 PM UTC

I need to do two things with the Grouping Area in a GroupingControl: 1.) How can I remove the table name that appears on the left side of the grouping area? 2.) How can I set the background color to be a gradient? I would prefer to know how to do this with the control properties (so VS can write the code), rather than writing the code myself. Though any help will be appreciated. -- Bert Lowry

Bert Lowry
Replied On September 21, 2004 03:18 PM UTC

I found the answer to question #1. I set the TableDescriptor.Name in the FormLoad. It doesn''t work if I change it in InitializeComponents(). Further, for some reason, when I set it with the control properties in VS, it doesn''t stick. If I close the project and re-open it, the previous value (the table name) is restored. It works if I set it in the FormLoad, though. I still need an answer to question #2: how do I set the GroupDropArea background color to a gradient? -- Bert Lowry

Administrator [Syncfusion]
Replied On September 21, 2004 05:28 PM UTC

Hi Bert, the following code seems to work. I tried it with the GroupCustomers example: //this.groupingGrid1.GridGroupDropArea.Model.TableStyle.BackColor = Color.Gainsboro; this.groupingGrid1.GridGroupDropArea.DrawCell += new GridDrawCellEventHandler(GridGroupDropArea_DrawCell); this.groupingGrid1.GridGroupDropArea.Paint += new PaintEventHandler(GridGroupDropArea_Paint); this.groupingGrid1.GridGroupDropArea.Model.Properties.BackgroundColor = Color.Transparent; this.groupingGrid1.GridGroupDropArea.Dock = DockStyle.Fill; this.groupingGrid1.GridGroupDropArea.PrepareViewStyleInfo += new GridPrepareViewStyleInfoEventHandler(GridGroupDropArea_PrepareViewStyleInfo); } bool paintFirst = true; private void GridGroupDropArea_PrepareViewStyleInfo(object sender, GridPrepareViewStyleInfoEventArgs e) { e.Style.BackColor = Color.Transparent; } private void GridGroupDropArea_Paint(object sender, PaintEventArgs e) { paintFirst = true; } private void GridGroupDropArea_DrawCell(object sender, GridDrawCellEventArgs e) { if (paintFirst) { Control c = (Control) sender; Syncfusion.Drawing.BrushInfo gradient = new Syncfusion.Drawing.BrushInfo(Syncfusion.Drawing.GradientStyle.Horizontal, Color.White, Color.Gray); Syncfusion.Drawing.BrushPaint.FillRectangle(e.Graphics, c.ClientRectangle, gradient); } paintFirst = false; } Stefan


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