private void HScrollBar1_miScroll(object sender, ScrollEventArgs e) { if (_win.GetType() == typeof(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(DataGridView) || (_win.GetType() == typeof(KryptonDataGridView))) { DataGridView dgv = (DataGridView)_win; if (GetDGHScrollbar(ref dgv, out HSC)) { 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, HSC.Handle); } else { WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_LINEUP, HSC.Handle); } WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)WIN32ScrollBars.SB_THUMBTRACK, HSC.Handle); break; default: WIN32ScrollBars.SendMessage(_win.Handle, WIN32ScrollBars.WM_HSCROLL, (IntPtr)e.Type, HSC.Handle); break; } } } } } else { HScrollBar1.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_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(_win.Handle, WIN32ScrollBars.WM_HSCROLL, WIN32ScrollBars.SB_THUMBPOSITION + (0x10000 * HScrollBar1.Value), 0); } } } }
/// <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 (!DesignMode && !(!Parent.CanFocus | (_win == null))) { //int listStyle = WIN32ScrollBars.GetWindowLong(_win.Handle, WIN32ScrollBars.GWL_STYLE); //listStyle |= WIN32ScrollBars.WS_VSCROLL | WIN32ScrollBars.WS_HSCROLL; //listStyle |= WIN32ScrollBars.WS_VSCROLL; //listStyle |= WIN32ScrollBars.WS_HSCROLL; //listStyle = WIN32ScrollBars.SetWindowLong(_win.Handle, WIN32ScrollBars.GWL_STYLE, listStyle); int wndStyle = WIN32ScrollBars.GetWindowLong(_win.Handle, WIN32ScrollBars.GWL_STYLE); bool hsVisible = (wndStyle & WIN32ScrollBars.WS_HSCROLL) != 0; bool vsVisible = (wndStyle & WIN32ScrollBars.WS_VSCROLL) != 0; //Vertical if (vsVisible) { si.fMask = (int)WIN32ScrollBars.ScrollInfoMask.SIF_ALL; si.cbSize = Marshal.SizeOf(si); WIN32ScrollBars.GetScrollInfo(_win.Handle, (int)WIN32ScrollBars.ScrollBarDirection.SB_VERT, ref si); if ((si.nMax + 0) <= si.nPage) { VScrollBar1.Visible = false; } else { VScrollBar1.Visible = true; if (si.nPage != 0) { VScrollBar1.LargeChange = si.nPage; VScrollBar1.Maximum = si.nMax; VScrollBar1.Minimum = si.nMin; VScrollBar1.SmallChange = 1; VScrollBar1.Update();//.SyncThumbPositionWithLogicalValue(); } } } //horizontal if (hsVisible) { si.fMask = (int)WIN32ScrollBars.ScrollInfoMask.SIF_ALL; si.cbSize = Marshal.SizeOf(si); WIN32ScrollBars.GetScrollInfo(_win.Handle, (int)WIN32ScrollBars.ScrollBarDirection.SB_HORZ, ref si); if ((si.nMax + 0) <= si.nPage) { HScrollBar1.Visible = false; } else { HScrollBar1.Visible = true; if (si.nPage != 0) { HScrollBar1.LargeChange = si.nPage; HScrollBar1.Maximum = si.nMax; HScrollBar1.Minimum = si.nMin; HScrollBar1.SmallChange = 1; HScrollBar1.Update();//.SyncThumbPositionWithLogicalValue(); } } } if (_win.GetType() == typeof(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_VERT, ref si)) { VScrollBar1.LargeChange = si.nPage; VScrollBar1.Maximum = si.nMax; VScrollBar1.Minimum = si.nMin; VScrollBar1.SmallChange = 1; VScrollBar1.Update();//.SyncThumbPositionWithLogicalValue(); } 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; HScrollBar1.Update();//.SyncThumbPositionWithLogicalValue(); } } } base.WndProc(ref m); }
/// <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); } } } }