private void DrawRedArrowIndicator(Graphics g)
{
// There is always a small black rectangle at the lower right-corner. Drawing
// over the previously painted BackgroundImage resolves this issue.
//GridRangeInfo rows = GetRangeOfColumnHeaderSection();
int rowIndex = grid.Model.RowCount > 1 ? 2 : 0; //rows.Top;
Bitmap leftBitmap = IconDrawingSupport.RedLeftBitmap;
Bitmap rightBitmap = IconDrawingSupport.RedRightBitmap;
Size size = new Size(leftBitmap.Width * 2 + colWidthOnRedArrowCreate - 1, rowHeightOnRedArrowCreate);
Rectangle bounds = new Rectangle(Point.Empty, size);
Color backColor = Color.Red;
if (!DragFieldMouseControllerBase.SupportsTransparentForm())
{
GridStyleInfo style = grid.Model[rowIndex, 0];
backColor = Color.FromArgb(255, style.Interior.BackColor);
}
try
{
g.FillRectangle(new SolidBrush(backColor), new Rectangle(Point.Empty, size));
g.DrawImageUnscaled(leftBitmap, size.Width - leftBitmap.Width, 0);
g.DrawImageUnscaled(rightBitmap, 0, 0);
}
finally
{
}
}
internal void OpenRedArrowIndicator()
{
if (!ShouldOpenArrow(false))
{
return;
}
redArrowOpend = true;
Bitmap bm = CreateRedArrowIndicatorBitmap();
redArrowIndicatorDragHelper = new DragFieldHelper();
redArrowIndicatorDragHelper.StartDrag(bm, hiddenPoint, DragDropEffects.Move);
// There is always a small black rectangle at the lower right-corner. Drawing
// over the previously painted BackgroundImage resolves this issue.
redArrowIndicatorDragHelper.DragWindow.Paint += new PaintEventHandler(DragWindow_Paint);
if (!DragFieldMouseControllerBase.SupportsTransparentForm())
{
//GridRangeInfo rows = GetRangeOfColumnHeaderSection();
int rowIndex = grid.Model.RowCount > 1 ? 2 : 0;//rows.Top;
GridStyleInfo style = grid.Model[rowIndex, 0];
Color backColor = Color.FromArgb(255, style.Interior.BackColor);
redArrowIndicatorDragHelper.DragWindow.BackColor = backColor;
}
}