private void GetState(
IntPtr scrollBarHWnd,
bool bHorizontal,
out ScrollBarHistTest histTest,
out ControlState topLeftArrowState,
out ControlState bottomRightArrowState,
out ControlState thumbState)
{
histTest = ScrollBarHitTest(scrollBarHWnd);
bool bLButtonDown = Helper.LeftKeyPressed();
bool bEnabled = _owner.Enabled;
topLeftArrowState = ControlState.Normal;
bottomRightArrowState = ControlState.Normal;
thumbState = ControlState.Normal;
switch (histTest)
{
case ScrollBarHistTest.LeftArrow:
case ScrollBarHistTest.TopArrow:
if (bEnabled)
{
topLeftArrowState = bLButtonDown ?
ControlState.Pressed : ControlState.Hover;
}
break;
case ScrollBarHistTest.RightArrow:
case ScrollBarHistTest.BottomArrow:
if (bEnabled)
{
bottomRightArrowState = bLButtonDown ?
ControlState.Pressed : ControlState.Hover;
}
break;
case ScrollBarHistTest.Thumb:
if (bEnabled)
{
thumbState = bLButtonDown ?
ControlState.Pressed : ControlState.Hover;
}
break;
}
}
private void GetState(IntPtr scrollBarHWnd, bool bHorizontal, out ScrollBarHistTest histTest, out ControlState topLeftArrowState, out ControlState bottomRightArrowState, out ControlState thumbState)
{
histTest = this.ScrollBarHitTest(scrollBarHWnd);
bool flag = Win32.Helper.LeftKeyPressed();
bool enabled = this._owner.Enabled;
topLeftArrowState = ControlState.Normal;
bottomRightArrowState = ControlState.Normal;
thumbState = ControlState.Normal;
switch (histTest)
{
case ScrollBarHistTest.TopArrow:
case ScrollBarHistTest.LeftArrow:
if (!enabled)
{
break;
}
topLeftArrowState = flag ? ControlState.Pressed : ControlState.Hover;
return;
case ScrollBarHistTest.BottomArrow:
case ScrollBarHistTest.RightArrow:
if (!enabled)
{
break;
}
bottomRightArrowState = flag ? ControlState.Pressed : ControlState.Hover;
return;
case ScrollBarHistTest.Thumb:
if (enabled)
{
thumbState = flag ? ControlState.Pressed : ControlState.Hover;
}
break;
default:
return;
}
}
protected override void WndProc(ref Message m)
{
try
{
switch (m.Msg)
{
case WM.WM_PAINT:
if (!_bPainting)
{
PAINTSTRUCT ps = new PAINTSTRUCT();
_bPainting = true;
NativeMethods.BeginPaint(m.HWnd, ref ps);
DrawScrollBar(m.HWnd, _maskControl.Handle);
NativeMethods.ValidateRect(m.HWnd, ref ps.rcPaint);
NativeMethods.EndPaint(m.HWnd, ref ps);
_bPainting = false;
m.Result = Result.TRUE;
}
else
{
base.WndProc(ref m);
}
break;
case SBM.SBM_SETSCROLLINFO:
DrawScrollBar(m.HWnd, _maskControl.Handle, true, false);
base.WndProc(ref m);
break;
case WM.WM_STYLECHANGED:
DrawScrollBar(m.HWnd, _maskControl.Handle, false, true);
base.WndProc(ref m);
break;
case WM.WM_LBUTTONDOWN:
_lastMouseDownHistTest = ScrollBarHitTest(m.HWnd);
DrawScrollBar(m.HWnd, _maskControl.Handle);
base.WndProc(ref m);
break;
case WM.WM_LBUTTONUP:
case WM.WM_MOUSEMOVE:
DrawScrollBar(m.HWnd, _maskControl.Handle);
base.WndProc(ref m);
break;
case WM.WM_MOUSELEAVE:
DrawScrollBar(m.HWnd, _maskControl.Handle);
base.WndProc(ref m);
break;
case WM.WM_WINDOWPOSCHANGED:
WINDOWPOS pos = (WINDOWPOS)Marshal.PtrToStructure(
m.LParam, typeof(WINDOWPOS));
bool hide = (pos.flags & SWP.SWP_HIDEWINDOW) != 0;
bool show = (pos.flags & SWP.SWP_SHOWWINDOW) != 0;
if (hide)
{
_maskControl.SetVisibale(false);
}
else if (show)
{
_maskControl.SetVisibale(true);
}
_maskControl.CheckBounds(m.HWnd);
base.WndProc(ref m);
break;
default:
base.WndProc(ref m);
break;
}
}
catch
{
}
}
private void GetState(
IntPtr scrollBarHWnd,
bool bHorizontal,
out ScrollBarHistTest histTest,
out ControlState topLeftArrowState,
out ControlState bottomRightArrowState,
out ControlState thumbState)
{
histTest = ScrollBarHitTest(scrollBarHWnd);
bool bLButtonDown = Helper.LeftKeyPressed();
bool bEnabled = _owner.Enabled;
topLeftArrowState = ControlState.Normal;
bottomRightArrowState = ControlState.Normal;
thumbState = ControlState.Normal;
switch (histTest)
{
case ScrollBarHistTest.LeftArrow:
case ScrollBarHistTest.TopArrow:
if (bEnabled)
{
topLeftArrowState = bLButtonDown ?
ControlState.Pressed : ControlState.Hover;
}
break;
case ScrollBarHistTest.RightArrow:
case ScrollBarHistTest.BottomArrow:
if (bEnabled)
{
bottomRightArrowState = bLButtonDown ?
ControlState.Pressed : ControlState.Hover;
}
break;
case ScrollBarHistTest.Thumb:
if (bEnabled)
{
thumbState = bLButtonDown ?
ControlState.Pressed : ControlState.Hover;
}
break;
}
}
protected override void WndProc(ref Message m)
{
try
{
switch (m.Msg)
{
case WM.WM_PAINT:
if (!_bPainting)
{
PAINTSTRUCT ps = new PAINTSTRUCT();
_bPainting = true;
NativeMethods.BeginPaint(m.HWnd, ref ps);
DrawScrollBar(m.HWnd, _maskControl.Handle);
NativeMethods.ValidateRect(m.HWnd, ref ps.rcPaint);
NativeMethods.EndPaint(m.HWnd, ref ps);
_bPainting = false;
m.Result = Result.TRUE;
}
else
{
base.WndProc(ref m);
}
break;
case SBM.SBM_SETSCROLLINFO:
DrawScrollBar(m.HWnd, _maskControl.Handle, true, false);
base.WndProc(ref m);
break;
case WM.WM_STYLECHANGED:
DrawScrollBar(m.HWnd, _maskControl.Handle, false, true);
base.WndProc(ref m);
break;
case WM.WM_LBUTTONDOWN:
_lastMouseDownHistTest = ScrollBarHitTest(m.HWnd);
DrawScrollBar(m.HWnd, _maskControl.Handle);
base.WndProc(ref m);
break;
case WM.WM_LBUTTONUP:
case WM.WM_MOUSEMOVE:
DrawScrollBar(m.HWnd, _maskControl.Handle);
base.WndProc(ref m);
break;
case WM.WM_MOUSELEAVE:
DrawScrollBar(m.HWnd, _maskControl.Handle);
base.WndProc(ref m);
break;
case WM.WM_WINDOWPOSCHANGED:
WINDOWPOS pos = (WINDOWPOS)Marshal.PtrToStructure(
m.LParam, typeof(WINDOWPOS));
bool hide = (pos.flags & SWP.SWP_HIDEWINDOW) != 0;
bool show = (pos.flags & SWP.SWP_SHOWWINDOW) != 0;
if (hide)
{
_maskControl.SetVisibale(false);
}
else if (show)
{
_maskControl.SetVisibale(true);
}
_maskControl.CheckBounds(m.HWnd);
base.WndProc(ref m);
break;
default:
base.WndProc(ref m);
break;
}
}
catch
{
}
}
protected override void WndProc(ref Message m)
{
try
{
switch (m.Msg)
{
case 0x200:
case 0x202:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
base.WndProc(ref m);
return;
case 0x201:
this._lastMouseDownHistTest = this.ScrollBarHitTest(m.HWnd);
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
base.WndProc(ref m);
return;
case 0x2a3:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
base.WndProc(ref m);
return;
case 0xe9:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle, true, false);
base.WndProc(ref m);
return;
case 15:
if (!this._bPainting)
{
Win32.Struct.PAINTSTRUCT ps = new Win32.Struct.PAINTSTRUCT();
this._bPainting = true;
Win32.NativeMethods.BeginPaint(m.HWnd, ref ps);
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
Win32.NativeMethods.ValidateRect(m.HWnd, ref ps.rcPaint);
Win32.NativeMethods.EndPaint(m.HWnd, ref ps);
this._bPainting = false;
m.Result = Win32.Result.TRUE;
}
else
{
base.WndProc(ref m);
}
return;
case 0x47:
{
Win32.Struct.WINDOWPOS windowpos = (Win32.Struct.WINDOWPOS)Marshal.PtrToStructure(m.LParam, typeof(Win32.Struct.WINDOWPOS));
bool flag = (windowpos.flags & 0x80L) != 0L;
bool flag2 = (windowpos.flags & 0x40L) != 0L;
if (flag)
{
this._maskControl.SetVisibale(false);
}
else if (flag2)
{
this._maskControl.SetVisibale(true);
}
this._maskControl.CheckBounds(m.HWnd);
base.WndProc(ref m);
return;
}
case 0x7d:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle, false, true);
base.WndProc(ref m);
return;
}
base.WndProc(ref m);
}
catch
{
}
}
protected override void WndProc(ref Message m)
{
try
{
switch (m.Msg)
{
case 0x200:
case 0x202:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
base.WndProc(ref m);
return;
case 0x201:
this._lastMouseDownHistTest = this.ScrollBarHitTest(m.HWnd);
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
base.WndProc(ref m);
return;
case 0x2a3:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
base.WndProc(ref m);
return;
case 0xe9:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle, true, false);
base.WndProc(ref m);
return;
case 15:
if (!this._bPainting)
{
Win32.Struct.PAINTSTRUCT ps = new Win32.Struct.PAINTSTRUCT();
this._bPainting = true;
Win32.NativeMethods.BeginPaint(m.HWnd, ref ps);
this.DrawScrollBar(m.HWnd, this._maskControl.Handle);
Win32.NativeMethods.ValidateRect(m.HWnd, ref ps.rcPaint);
Win32.NativeMethods.EndPaint(m.HWnd, ref ps);
this._bPainting = false;
m.Result = Win32. Result.TRUE;
}
else
{
base.WndProc(ref m);
}
return;
case 0x47:
{
Win32.Struct.WINDOWPOS windowpos = (Win32.Struct.WINDOWPOS) Marshal.PtrToStructure(m.LParam, typeof(Win32.Struct.WINDOWPOS));
bool flag = (windowpos.flags & 0x80L) != 0L;
bool flag2 = (windowpos.flags & 0x40L) != 0L;
if (flag)
{
this._maskControl.SetVisibale(false);
}
else if (flag2)
{
this._maskControl.SetVisibale(true);
}
this._maskControl.CheckBounds(m.HWnd);
base.WndProc(ref m);
return;
}
case 0x7d:
this.DrawScrollBar(m.HWnd, this._maskControl.Handle, false, true);
base.WndProc(ref m);
return;
}
base.WndProc(ref m);
}
catch
{
}
}
private void GetState(IntPtr scrollBarHWnd, bool bHorizontal, out ScrollBarHistTest histTest, out ControlState topLeftArrowState, out ControlState bottomRightArrowState, out ControlState thumbState)
{
histTest = this.ScrollBarHitTest(scrollBarHWnd);
bool flag = Win32. Helper.LeftKeyPressed();
bool enabled = this._owner.Enabled;
topLeftArrowState = ControlState.Normal;
bottomRightArrowState = ControlState.Normal;
thumbState = ControlState.Normal;
switch (histTest)
{
case ScrollBarHistTest.TopArrow:
case ScrollBarHistTest.LeftArrow:
if (!enabled)
{
break;
}
topLeftArrowState = flag ? ControlState.Pressed : ControlState.Hover;
return;
case ScrollBarHistTest.BottomArrow:
case ScrollBarHistTest.RightArrow:
if (!enabled)
{
break;
}
bottomRightArrowState = flag ? ControlState.Pressed : ControlState.Hover;
return;
case ScrollBarHistTest.Thumb:
if (enabled)
{
thumbState = flag ? ControlState.Pressed : ControlState.Hover;
}
break;
default:
return;
}
}
