public void SetPositionNoInvalidate(Point value)
{
Point point = position;
position = value;
position.X = Math.Min(position.X, virtualSize.Width - base.Width);
position.Y = Math.Min(position.Y, virtualSize.Height - base.Height);
if (position.X < 0)
{
position.X = 0;
}
if (position.Y < 0)
{
position.Y = 0;
}
Rectangle r = base.ClientRectangle;
RECT rect = RECT.FromXYWH(r.X, r.Y, r.Width, r.Height);
ScrollWindow(new HandleRef(this, base.Handle), point.X - position.X, point.Y - position.Y, ref rect,
ref rect);
SetScrollPos(new HandleRef(this, base.Handle), 0, position.X, true);
SetScrollPos(new HandleRef(this, base.Handle), 1, position.Y, true);
//实现继打线和套打框随滚动条移动
foreach (Control c in this.Controls)
{
//套打时套打的panel是不可见的，所以用Tag属性值(active:活跃 idle:空闲)来标识套打状态
//解决套打不能超过一页的问题,暂时只对河池人医做特殊处理。 --黄泳亮 2013.5.9
if (c.Visible)
{
c.Top += point.Y - position.Y;
}
}
}
/// <summary>
/// Draws a scroll button on a scroll bar control.
/// </summary>
/// <param name="graphics">The <see cref="Graphics"/> to draw on.</param>
/// <param name="rectangle">The <see cref="Rectangle"/> that represents the dimensions of the glyph.</param>
/// <param name="button">One of the <see cref="ScrollButton"/> values that specifies the type of scroll arrow to draw.</param>
/// <param name="state">A bitwise combination of the <see cref="ButtonState"/> values that specifies the state to draw the scroll button in.</param>
public static void DrawScrollButton(Graphics graphics, Rectangle rectangle, ScrollButton button, ButtonState state)
{
IntPtr hdc = graphics.GetHdc();
RECT r = RECT.FromXYWH(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
NativeMethods.DrawFrameControl(hdc, ref r, NativeMethods.DFC.SCROLL, (NativeMethods.DFCS)button | (NativeMethods.DFCS)state);
graphics.ReleaseHdc(hdc);
}
/// <summary>
/// Draws a radio button control.
/// </summary>
/// <param name="graphics">The <see cref="Graphics"/> to draw on.</param>
/// <param name="rectangle">The <see cref="Rectangle"/> that represents the dimensions of the radio button.</param>
/// <param name="state">A bitwise combination of the <see cref="ButtonState"/> values that specifies the state to draw the radio button in.</param>
public static void DrawRadioButton(Graphics graphics, Rectangle rectangle, ButtonState state)
{
IntPtr hdc = graphics.GetHdc();
RECT r = RECT.FromXYWH(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
NativeMethods.DrawFrameControl(hdc, ref r, NativeMethods.DFC.BUTTON, NativeMethods.DFCS.BUTTONRADIO | (NativeMethods.DFCS)state);
graphics.ReleaseHdc(hdc);
}
/// <summary>
/// Draws a focus rectangle on the specified graphics surface and within the specified bounds.
/// </summary>
/// <param name="graphics">The <see cref="Graphics"/> to draw on.</param>
/// <param name="rectangle">The <see cref="Rectangle"/> that represents the dimensions of the grab handle glyph.</param>
/// <remarks>A focus rectangle is a dotted rectangle that Windows uses to indicate what control has the current keyboard focus.
/// On Windows Mobile this is drawn in the color specified by the current device theme.</remarks>
public static void DrawFocusRectangle(Graphics graphics, Rectangle rectangle)
{
bool success;
IntPtr hdc = graphics.GetHdc();
RECT r = RECT.FromXYWH(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
if (InTheHand.NativeMethods.IsMobile5)
{
success = NativeMethods.DrawFocusRectColor(hdc, ref r, 0);
}
else
{
success = NativeMethods.DrawFocusRect(hdc, ref r);
}
graphics.ReleaseHdc(hdc);
}