private void DrawBackground(Graphics paint, Rectangle buttonRect, ButtonCellStyleInfo style, bool drawHovered, CellButton cellButton)
{
Color color = style.BackColor;
if (style.Enabled)
{
color = style.BackColor;
}
else
{
color = style.DisabledBackColor;
}
paint.FillRectangle(new SolidBrush(color), buttonRect);
}
private void DrawBorder(Graphics paint, Rectangle buttonRect, ButtonCellStyleInfo style, bool drawHovered)
{
if (style.Enabled)
{
if (style.BorderColor != null)
{
paint.DrawRectangle(style.BorderColor, Rectangle.Round(buttonRect));
}
}
else
{
if (style.DisabledBorderColor != null)
{
paint.DrawRectangle(style.DisabledBorderColor, Rectangle.Round(buttonRect));
}
}
}
public virtual void DrawButton(Graphics paint, Rectangle cellRect, Rectangle buttonRect, string cellValue, ButtonCellStyleInfo style, DataColumnBase column, Syncfusion.WinForms.GridCommon.ScrollAxis.RowColumnIndex rowColumnIndex, int buttonIndex = 0)
{
// No need to draw the button when its not visible on the cell bounds.
if (cellRect.Width < 5)
{
return;
}
var clipBound = paint.ClipBounds;
var cellButton = (column.GridColumn as GridTextButtonColumn).CellButton;
bool drawHovered = false;
DrawBackground(paint, buttonRect, style, drawHovered, cellButton);
if (cellRect.Contains(buttonRect))
{
paint.SetClip(buttonRect);
}
else if (cellRect.IntersectsWith(buttonRect))
{
Rectangle intersectRect = Rectangle.Intersect(cellRect, buttonRect);
paint.SetClip(intersectRect);
}
if (cellButton.Image != null)
{
var imageSize = cellButton.Image.Size.IsEmpty ? cellButton.Image.Size : Size.Empty;
Rectangle imageRectangle = buttonRect;
DrawImage(paint, imageRectangle, cellButton.Image);
}
paint.SetClip(cellRect);
DrawBorder(paint, buttonRect, style, drawHovered);
paint.SetClip(clipBound);
}
