/// <summary>
/// Overrided to controll del scrolling of the customControl VScrollBar1
/// </summary>
/// <param name="m"></param>
/// <remarks></remarks>
protected override void WndProc(ref Message m)
{
if (!this.DesignMode && !(!this.Parent.CanFocus | (_win == null)))
{
int wndStyle = WIN32ScrollBars.GetWindowLong(this._win.Handle, WIN32ScrollBars.GWL_STYLE);
bool hsVisible = (wndStyle & WIN32ScrollBars.WS_HSCROLL) != 0;
bool vsVisible = (wndStyle & WIN32ScrollBars.WS_VSCROLL) != 0;
//horizontal
if (hsVisible)
{
this.si2.fMask = (int)WIN32ScrollBars.ScrollInfoMask.SIF_ALL;
this.si2.cbSize = Marshal.SizeOf(this.si2);
WIN32ScrollBars.GetScrollInfo(this._win.Handle, (int)WIN32ScrollBars.ScrollBarDirection.SB_HORZ, ref this.si2);
if ((this.si2.nMax + 0) <= this.si2.nPage)
{
this.HScrollBar1.Visible = false;
}
else
{
this.HScrollBar1.Visible = true;
if (this.si2.nPage != 0)
{
HScrollBar1.LargeChange = si2.nPage;
HScrollBar1.Maximum = si2.nMax;
HScrollBar1.Minimum = si2.nMin;
HScrollBar1.SmallChange = 1;
this.HScrollBar1.Update();//.SyncThumbPositionWithLogicalValue();
}
}
}
if (_win.GetType() == typeof(System.Windows.Forms.ListView) || (_win.GetType() == typeof(KryptonListView)))
{
ListView listView1 = (ListView)_win;
WIN32ScrollBars.ScrollInfo si = new WIN32ScrollBars.ScrollInfo();
si.cbSize = Marshal.SizeOf(si);
si.fMask = (int)WIN32ScrollBars.ScrollInfoMask.SIF_ALL;
if (WIN32ScrollBars.GetScrollInfo(listView1.Handle, (int)WIN32ScrollBars.ScrollBarDirection.SB_HORZ, ref si))
{
HScrollBar1.LargeChange = si.nPage;
HScrollBar1.Maximum = si.nMax;
HScrollBar1.Minimum = si.nMin;
HScrollBar1.SmallChange = 1;
this.HScrollBar1.Update();//.SyncThumbPositionWithLogicalValue();
}
}
if (_win.GetType() == typeof(KryptonGrid) || _win.GetType() == typeof(System.Windows.Forms.DataGridView) || (_win.GetType() == typeof(KryptonDataGridView)))
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_TOP, IntPtr.Zero);
_win.Invalidate();
}
}
base.WndProc(ref m);
}
private void HScrollBar1_miScroll(object sender, ScrollEventArgs e)
{
if (_win.GetType() == typeof(System.Windows.Forms.ListView) || (_win.GetType() == typeof(KryptonListView)))
{
ListView listView1 = (ListView)_win;
int nIsAt = WIN32ScrollBars.GetScrollPos(listView1.Handle, WIN32ScrollBars.SB_HORZ);
int nShouldBeAt = (int)e.NewValue;
int pixelsToScroll = Convert.ToInt32((nShouldBeAt - nIsAt));
WIN32ScrollBars.SendMessage(listView1.Handle, (int)WIN32ScrollBars.LVM_SCROLL, pixelsToScroll, 0);
Invalidate();
}
else
{
if (_win.GetType() == typeof(KryptonGrid) || _win.GetType() == typeof(System.Windows.Forms.DataGridView) || (_win.GetType() == typeof(KryptonDataGridView)))
{
DataGridView dgv = (DataGridView)_win;
if (GetDGVScrollbar(ref dgv, out HSB))
{
foreach (Control control in dgv.Controls)
{
if (control is HScrollBar)
{
HScrollBar hscroll = (HScrollBar)control;
if (hscroll.Visible)
{
switch (e.Type)
{
case ScrollEventType.ThumbTrack:
if (e.NewValue >= e.OldValue)
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEDOWN, HSB.Handle);
}
else
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEUP, HSB.Handle);
}
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_THUMBTRACK, HSB.Handle);
break;
default:
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)e.Type, HSB.Handle);
break;
}
}
}
}
}
else
{
this.HScrollBar1.Visible = false;
}
}
else
{
if (_win.GetType() == typeof(System.Windows.Forms.TreeView) || (_win.GetType() == typeof(Krypton.Toolkit.KryptonTreeView)))
{
switch (e.Type)
{
case ScrollEventType.ThumbTrack:
if (e.NewValue >= e.OldValue)
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEDOWN, IntPtr.Zero);
}
else
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEUP, IntPtr.Zero);
}
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_THUMBTRACK, IntPtr.Zero);
break;
default:
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)e.Type, IntPtr.Zero);
break;
}
}
else
{
WIN32ScrollBars.PostMessageA(this._win.Handle, WIN32ScrollBars.WM_HSCROLL, WIN32ScrollBars.SB_THUMBPOSITION + (0x10000 * this.HScrollBar1.Value), 0);
}
}
}
}
/// <summary>
/// Comming from the customControl
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <remarks></remarks>
private void VScrollBar1_miScroll(object sender, ScrollEventArgs e)
{
if (_win.GetType() == typeof(ListView) || (_win.GetType() == typeof(KryptonListView)))
{
ListView listView1 = (ListView)_win;
IntPtr min = IntPtr.Zero;
IntPtr max = IntPtr.Zero;
WIN32ScrollBars.GetScrollRange(listView1.Handle, WIN32ScrollBars.SB_VERT, ref min, ref max);
int nMax = max.ToInt32();
nMax += 3;
int nHeight = listView1.DisplayRectangle.Height;
int ItemRectHeight = listView1.GetItemRect(0).Height;
int nTimes = (nHeight - 17) / ItemRectHeight;
int nScrollPositions = (nMax - nTimes) + 1;
double nThePos = VScrollBar1.Maximum / nScrollPositions;
double RealPos = 0.0;
if (nThePos <= 0.0)
{
RealPos = VScrollBar1.Value;
}
else
{
RealPos = VScrollBar1.Value / nThePos;
}
int nPos = WIN32ScrollBars.GetScrollPos(listView1.Handle, WIN32ScrollBars.SB_VERT);
double nShouldBeAt = RealPos * ItemRectHeight;
double nIsAt = nPos * ItemRectHeight;
int pixelsToScroll = Convert.ToInt32((nShouldBeAt - nIsAt));
WIN32ScrollBars.SendMessage(listView1.Handle, WIN32ScrollBars.LVM_SCROLL, IntPtr.Zero, (IntPtr)pixelsToScroll);
Invalidate();
}
else
{
if (_win.GetType() == typeof(KryptonGrid) || _win.GetType() == typeof(DataGridView) || (_win.GetType() == typeof(KryptonDataGridView)))
{
DataGridView dgv = (DataGridView)_win;
if (GetDGVScrollbar(ref dgv, out VSB))
{
foreach (Control control in dgv.Controls)
{
if (control is VScrollBar)
{
VScrollBar vscroll = (VScrollBar)control;
if (vscroll.Visible)
{
switch (e.Type)
{
case ScrollEventType.ThumbTrack:
if (e.NewValue >= e.OldValue)
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEDOWN, VSB.Handle);
}
else
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEUP, VSB.Handle);
}
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)WIN32ScrollBars.SB_THUMBTRACK, VSB.Handle);
break;
default:
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)e.Type, VSB.Handle);
break;
}
}
}
}
}
else
{
VScrollBar1.Visible = false;
}
}
else
{
if (_win.GetType() == typeof(TreeView) || (_win.GetType() == typeof(Krypton.Toolkit.KryptonTreeView)))
{
switch (e.Type)
{
case ScrollEventType.ThumbTrack:
if (e.NewValue >= e.OldValue)
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEDOWN, IntPtr.Zero);
}
else
{
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEUP, IntPtr.Zero);
}
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)WIN32ScrollBars.SB_THUMBTRACK, IntPtr.Zero);
break;
default:
WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_VSCROLL, (IntPtr)e.Type, IntPtr.Zero);
break;
}
}
else
{
WIN32ScrollBars.PostMessageA(_win.Handle, WIN32ScrollBars.WM_VSCROLL, WIN32ScrollBars.SB_THUMBPOSITION + (0x10000 * VScrollBar1.Value), 0);
}
}
}
}