/// <summary>
/// Inheriting classes should override this method to handle this event.
/// </summary>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
if (Owner != null)
{
ToolStripRenderer renderer = Renderer;
Graphics g = e.Graphics;
renderer.DrawDropDownButtonBackground(new ToolStripItemRenderEventArgs(e.Graphics, this));
if ((DisplayStyle & ToolStripItemDisplayStyle.Image) == ToolStripItemDisplayStyle.Image)
{
renderer.DrawItemImage(new ToolStripItemImageRenderEventArgs(g, this, InternalLayout.ImageRectangle));
}
if ((DisplayStyle & ToolStripItemDisplayStyle.Text) == ToolStripItemDisplayStyle.Text)
{
renderer.DrawItemText(new ToolStripItemTextRenderEventArgs(g, this, Text, InternalLayout.TextRectangle, ForeColor, Font, InternalLayout.TextFormat));
}
if (ShowDropDownArrow)
{
Rectangle dropDownArrowRect = (InternalLayout is ToolStripDropDownButtonInternalLayout layout) ? layout.DropDownArrowRect : Rectangle.Empty;
Color arrowColor;
if (Selected && !Pressed && SystemInformation.HighContrast)
{
arrowColor = Enabled ? SystemColors.HighlightText : SystemColors.ControlDark;
}
else
{
arrowColor = Enabled ? SystemColors.ControlText : SystemColors.ControlDark;
}
renderer.DrawArrow(new ToolStripArrowRenderEventArgs(g, this, dropDownArrowRect, arrowColor, ArrowDirection.Down));
}
}
}
/// <include file='doc\ToolStripPopupButton.uex' path='docs/doc[@for="ToolStripDropDownButton.OnPaint"]/*' />
/// <devdoc>
/// Inheriting classes should override this method to handle this event.
/// </devdoc>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
if (this.Owner != null)
{
ToolStripRenderer renderer = this.Renderer;
Graphics g = e.Graphics;
renderer.DrawDropDownButtonBackground(new ToolStripItemRenderEventArgs(e.Graphics, this));
if ((DisplayStyle & ToolStripItemDisplayStyle.Image) == ToolStripItemDisplayStyle.Image)
{
renderer.DrawItemImage(new ToolStripItemImageRenderEventArgs(g, this, InternalLayout.ImageRectangle));
}
if ((DisplayStyle & ToolStripItemDisplayStyle.Text) == ToolStripItemDisplayStyle.Text)
{
renderer.DrawItemText(new ToolStripItemTextRenderEventArgs(g, this, this.Text, InternalLayout.TextRectangle, this.ForeColor, this.Font, InternalLayout.TextFormat));
}
if (ShowDropDownArrow)
{
ToolStripDropDownButton.ToolStripDropDownButtonInternalLayout layout = InternalLayout as ToolStripDropDownButtonInternalLayout;
Rectangle dropDownArrowRect = (layout != null) ? layout.DropDownArrowRect :Rectangle.Empty;
Color arrowColor = Enabled ? SystemColors.ControlText : SystemColors.ControlDark;
renderer.DrawArrow(new ToolStripArrowRenderEventArgs(g, this, dropDownArrowRect, arrowColor, ArrowDirection.Down));
}
}
}
protected override void OnRenderDropDownButtonBackground(System.Windows.Forms.ToolStripItemRenderEventArgs e)
{
if (currentRenderer != null)
{
currentRenderer.DrawDropDownButtonBackground(e);
return;
}
base.OnRenderDropDownButtonBackground(e);
}
protected override void OnRenderDropDownButtonBackground(ToolStripItemRenderEventArgs e)
{
if (_currentRenderer != null)
{
_currentRenderer.DrawDropDownButtonBackground(e);
}
else
{
base.OnRenderDropDownButtonBackground(e);
}
}
protected override void OnRenderDropDownButtonBackground(ToolStripItemRenderEventArgs e)
{
if (renderer is ToolStripProfessionalRenderer)
{
Color back = GetThemeColor("ToolStripItem.BackColor");
Color border = GetThemeColor("ToolStripItem.BorderColor");
if (e.Item.Selected)
{
Rectangle rectBorder = new Rectangle(0, 0, e.Item.Width, e.Item.Height);
Rectangle rectBack = new Rectangle(1, 1, e.Item.Width - 2, e.Item.Height - 2);
LinearGradientBrush backBrush = new LinearGradientBrush(rectBack, back == Color.Empty ? DockDrawHelper.ColorSelectedBG_White : back, back == Color.Empty ? DockDrawHelper.ColorSelectedBG_Blue : back, LinearGradientMode.Vertical);
e.Graphics.FillRectangle(backBrush, rectBack);
Rectangle rect2 = new Rectangle(rectBack.Left - 1, rectBack.Top - 1, rectBack.Width + 1, rectBack.Height + 1);
Rectangle rect3 = new Rectangle(rect2.Left + 1, rect2.Top + 1, rect2.Width - 2, rect2.Height - 2);
e.Graphics.DrawRectangle(new Pen(border == Color.Empty ? DockDrawHelper.ColorSelectedBG_Border : border), rect2);
e.Graphics.DrawRectangle(new Pen(back == Color.Empty ? DockDrawHelper.ColorSelectedBG_White : back), rect3);
}
if (e.Item.Pressed)
{
Color back2 = GetThemeColor("ToolStripMenu.DropDownBackColor");
Color border2 = GetThemeColor("ToolStripMenu.DropDownBorderColor");
if (back2 != Color.Empty && border2 != Color.Empty)
{
e.Graphics.FillRectangle(new SolidBrush(back2), new Rectangle(0, 0, e.Item.Width, e.Item.Height));
e.Graphics.DrawRectangle(new Pen(border2), new Rectangle(0, 0, e.Item.Width - 1, e.Item.Height - 1));
}
else
{
renderer.DrawDropDownButtonBackground(e);
}
}
}
else
{
renderer.DrawDropDownButtonBackground(e);
}
}
protected override void OnRenderDropDownButtonBackground(ToolStripItemRenderEventArgs e)
{
renderer.DrawDropDownButtonBackground(e);
}
