internal void CheckBounds(IntPtr hWnd)
{
CCWin.Win32.Struct.RECT controlRect = new CCWin.Win32.Struct.RECT();
CCWin.Win32.Struct.RECT maskRect = new CCWin.Win32.Struct.RECT();
CCWin.Win32.NativeMethods.GetWindowRect(base.Handle, ref maskRect);
CCWin.Win32.NativeMethods.GetWindowRect(hWnd, ref controlRect);
uint uFlag = 0x214;
if (!CCWin.Win32.NativeMethods.EqualRect(ref controlRect, ref maskRect))
{
CCWin.Win32.NativeMethods.Point point = new CCWin.Win32.NativeMethods.Point(controlRect.Left, controlRect.Top);
CCWin.Win32.NativeMethods.ScreenToClient(CCWin.Win32.NativeMethods.GetParent(base.Handle), ref point);
CCWin.Win32.NativeMethods.SetWindowPos(base.Handle, IntPtr.Zero, point.x, point.y, controlRect.Right - controlRect.Left, controlRect.Bottom - controlRect.Top, uFlag);
}
}
public void SetBits()
{
if (this.BackgroundImage != null)
{
Bitmap bitmap = new Bitmap(this.BackgroundImage, base.Width, base.Height);
if (!Image.IsCanonicalPixelFormat(bitmap.PixelFormat) || !Image.IsAlphaPixelFormat(bitmap.PixelFormat))
{
throw new ApplicationException("图片必须是32位带Alhpa通道的图片。");
}
IntPtr oldBits = IntPtr.Zero;
IntPtr screenDC = CCWin.Win32.NativeMethods.GetDC(IntPtr.Zero);
IntPtr hBitmap = IntPtr.Zero;
IntPtr memDc = CCWin.Win32.NativeMethods.CreateCompatibleDC(screenDC);
try
{
CCWin.Win32.NativeMethods.Point topLoc = new CCWin.Win32.NativeMethods.Point(base.Left, base.Top);
CCWin.Win32.NativeMethods.Size bitMapSize = new CCWin.Win32.NativeMethods.Size(base.Width, base.Height);
CCWin.Win32.NativeMethods.BLENDFUNCTION blendFunc = new CCWin.Win32.NativeMethods.BLENDFUNCTION();
CCWin.Win32.NativeMethods.Point srcLoc = new CCWin.Win32.NativeMethods.Point(0, 0);
hBitmap = bitmap.GetHbitmap(Color.FromArgb(0));
oldBits = CCWin.Win32.NativeMethods.SelectObject(memDc, hBitmap);
blendFunc.BlendOp = 0;
blendFunc.SourceConstantAlpha = byte.Parse("255");
blendFunc.AlphaFormat = 1;
blendFunc.BlendFlags = 0;
CCWin.Win32.NativeMethods.UpdateLayeredWindow(base.Handle, screenDC, ref topLoc, ref bitMapSize, memDc, ref srcLoc, 0, ref blendFunc, 2);
}
finally
{
if (hBitmap != IntPtr.Zero)
{
CCWin.Win32.NativeMethods.SelectObject(memDc, oldBits);
CCWin.Win32.NativeMethods.DeleteObject(hBitmap);
}
CCWin.Win32.NativeMethods.ReleaseDC(IntPtr.Zero, screenDC);
CCWin.Win32.NativeMethods.DeleteDC(memDc);
}
}
}
internal void CreateParamsInternal(IntPtr hWnd)
{
IntPtr hParent = CCWin.Win32.NativeMethods.GetParent(hWnd);
CCWin.Win32.Struct.RECT rect = new CCWin.Win32.Struct.RECT();
CCWin.Win32.NativeMethods.Point point = new CCWin.Win32.NativeMethods.Point();
CCWin.Win32.NativeMethods.GetWindowRect(hWnd, ref rect);
point.x = rect.Left;
point.y = rect.Top;
CCWin.Win32.NativeMethods.ScreenToClient(hParent, ref point);
int dwStyle = 0x5400000d;
int dwExStyle = 0x88;
this._createParams = new System.Windows.Forms.CreateParams();
this._createParams.Parent = hParent;
this._createParams.ClassName = "STATIC";
this._createParams.Caption = null;
this._createParams.Style = dwStyle;
this._createParams.ExStyle = dwExStyle;
this._createParams.X = point.x;
this._createParams.Y = point.y;
this._createParams.Width = rect.Right - rect.Left;
this._createParams.Height = rect.Bottom - rect.Top;
}
private void DrawUpDownButton()
{
bool mouseOver = false;
bool mousePress = this.LeftKeyPressed();
bool mouseInUpButton = false;
Rectangle clipRect = this._upDownButton.ClientRectangle;
CCWin.Win32.Struct.RECT windowRect = new CCWin.Win32.Struct.RECT();
CCWin.Win32.NativeMethods.Point cursorPoint = new CCWin.Win32.NativeMethods.Point();
CCWin.Win32.NativeMethods.GetCursorPos(ref cursorPoint);
CCWin.Win32.NativeMethods.GetWindowRect(this._upDownButtonWnd, ref windowRect);
mouseOver = CCWin.Win32.NativeMethods.PtInRect(ref windowRect, cursorPoint);
cursorPoint.x -= windowRect.Left;
cursorPoint.y -= windowRect.Top;
mouseInUpButton = cursorPoint.y < (clipRect.Height / 2);
using (Graphics g = Graphics.FromHwnd(this._upDownButtonWnd))
{
UpDownButtonPaintEventArgs e = new UpDownButtonPaintEventArgs(g, clipRect, mouseOver, mousePress, mouseInUpButton);
this._owner.OnPaintUpDownButton(e);
}
}
private void FoundAndDrawWindowRect()
{
CCWin.Win32.NativeMethods.Point pt = new CCWin.Win32.NativeMethods.Point();
pt.x = Control.MousePosition.X;
pt.y = Control.MousePosition.Y;
IntPtr hWnd = CCWin.Win32.NativeMethods.ChildWindowFromPointEx(CCWin.Win32.NativeMethods.GetDesktopWindow(), pt, 3);
if (hWnd != IntPtr.Zero)
{
IntPtr hTemp = hWnd;
while (true)
{
CCWin.Win32.NativeMethods.ScreenToClient(hTemp, ref pt);
hTemp = CCWin.Win32.NativeMethods.ChildWindowFromPointEx(hTemp, pt, 0);
if ((hTemp == IntPtr.Zero) || (hTemp == hWnd))
{
break;
}
hWnd = hTemp;
pt.x = Control.MousePosition.X;
pt.y = Control.MousePosition.Y;
}
CCWin.Win32.Struct.RECT rect = new CCWin.Win32.Struct.RECT();
CCWin.Win32.NativeMethods.GetWindowRect(hWnd, ref rect);
this.imgpb.SetSelectRect(new Rectangle(rect.Left, rect.Top, rect.Right - rect.Left, rect.Bottom - rect.Top));
}
}
private ScrollBarHistTest ScrollBarHitTest(IntPtr hWnd)
{
CCWin.Win32.NativeMethods.Point point = new CCWin.Win32.NativeMethods.Point();
CCWin.Win32.Struct.RECT rect = new CCWin.Win32.Struct.RECT();
System.Drawing.Point thumbPoint = this.GetScrollBarThumb();
int arrowCx = this.ArrowCx;
int arrowCy = this.ArrowCy;
CCWin.Win32.NativeMethods.GetWindowRect(hWnd, ref rect);
CCWin.Win32.NativeMethods.OffsetRect(ref rect, -rect.Left, -rect.Top);
CCWin.Win32.Struct.RECT tp = rect;
CCWin.Win32.NativeMethods.GetCursorPos(ref point);
CCWin.Win32.NativeMethods.ScreenToClient(hWnd, ref point);
if (this.Direction == Orientation.Horizontal)
{
if (CCWin.Win32.NativeMethods.PtInRect(ref rect, point))
{
tp.Right = arrowCx;
if (CCWin.Win32.NativeMethods.PtInRect(ref tp, point))
{
return ScrollBarHistTest.LeftArrow;
}
tp.Left = rect.Right - arrowCx;
tp.Right = rect.Right;
if (CCWin.Win32.NativeMethods.PtInRect(ref tp, point))
{
return ScrollBarHistTest.RightArrow;
}
if (this._owner.RightToLeft == RightToLeft.Yes)
{
tp.Left = point.y;
tp.Right = point.x;
}
else
{
tp.Left = thumbPoint.X;
tp.Right = thumbPoint.Y;
}
if (CCWin.Win32.NativeMethods.PtInRect(ref tp, point))
{
return ScrollBarHistTest.Thumb;
}
return ScrollBarHistTest.Track;
}
}
else if (CCWin.Win32.NativeMethods.PtInRect(ref rect, point))
{
tp.Bottom = arrowCy;
if (CCWin.Win32.NativeMethods.PtInRect(ref tp, point))
{
return ScrollBarHistTest.TopArrow;
}
tp.Top = rect.Bottom - arrowCy;
tp.Bottom = rect.Bottom;
if (CCWin.Win32.NativeMethods.PtInRect(ref tp, point))
{
return ScrollBarHistTest.BottomArrow;
}
tp.Top = thumbPoint.X;
tp.Bottom = thumbPoint.Y;
if (CCWin.Win32.NativeMethods.PtInRect(ref tp, point))
{
return ScrollBarHistTest.Thumb;
}
return ScrollBarHistTest.Track;
}
return ScrollBarHistTest.None;
}
