diff --git a/libraries/ZWidget/include/zwidget/core/rect.h b/libraries/ZWidget/include/zwidget/core/rect.h
index f5ab17caf8..ad2a4e09ca 100644
--- a/libraries/ZWidget/include/zwidget/core/rect.h
+++ b/libraries/ZWidget/include/zwidget/core/rect.h
@@ -46,6 +46,15 @@ public:
 	static Rect xywh(double x, double y, double width, double height) { return Rect(x, y, width, height); }
 	static Rect ltrb(double left, double top, double right, double bottom) { return Rect(left, top, right - left, bottom - top); }
 
+	static Rect shrink(Rect box, double left, double top, double right, double bottom)
+	{
+		box.x += left;
+		box.y += top;
+		box.width = std::max(box.width - left - right, 0.0);
+		box.height = std::max(box.height - bottom - top, 0.0);
+		return box;
+	}
+
 	bool contains(const Point& p) const { return (p.x >= x && p.x < x + width) && (p.y >= y && p.y < y + height); }
 
 	double x = 0;
diff --git a/libraries/ZWidget/include/zwidget/widgets/listview/listview.h b/libraries/ZWidget/include/zwidget/widgets/listview/listview.h
index 0d8f632cd9..ad30cd17c2 100644
--- a/libraries/ZWidget/include/zwidget/widgets/listview/listview.h
+++ b/libraries/ZWidget/include/zwidget/widgets/listview/listview.h
@@ -5,6 +5,8 @@
 #include <vector>
 #include <functional>
 
+class Scrollbar;
+
 class ListView : public Widget
 {
 public:
@@ -12,6 +14,7 @@ public:
 
 	void AddItem(const std::string& text);
 	int GetSelectedItem() const { return selectedItem; }
+	void ScrollToItem(int index);
 
 	void Activate();
 
@@ -22,7 +25,12 @@ protected:
 	void OnPaintFrame(Canvas* canvas) override;
 	void OnMouseDown(const Point& pos, int key) override;
 	void OnMouseDoubleclick(const Point& pos, int key) override;
+	void OnMouseWheel(const Point& pos, EInputKey key) override;
 	void OnKeyDown(EInputKey key) override;
+	void OnGeometryChanged() override;
+	void OnScrollbarScroll();
+
+	Scrollbar* scrollbar = nullptr;
 
 	std::vector<std::string> items;
 	int selectedItem = 0;
diff --git a/libraries/ZWidget/include/zwidget/widgets/scrollbar/scrollbar.h b/libraries/ZWidget/include/zwidget/widgets/scrollbar/scrollbar.h
index f58261887b..38afda3832 100644
--- a/libraries/ZWidget/include/zwidget/widgets/scrollbar/scrollbar.h
+++ b/libraries/ZWidget/include/zwidget/widgets/scrollbar/scrollbar.h
@@ -13,24 +13,27 @@ public:
 
 	bool IsVertical() const;
 	bool IsHorizontal() const;
-	int GetMin() const;
-	int GetMax() const;
-	int GetLineStep() const;
-	int GetPageStep() const;
-	int GetPosition() const;
+	double GetMin() const;
+	double GetMax() const;
+	double GetLineStep() const;
+	double GetPageStep() const;
+	double GetPosition() const;
 
 	void SetVertical();
 	void SetHorizontal();
 
-	void SetMin(int scroll_min);
-	void SetMax(int scroll_max);
-	void SetLineStep(int step);
-	void SetPageStep(int step);
+	void SetMin(double scroll_min);
+	void SetMax(double scroll_max);
+	void SetLineStep(double step);
+	void SetPageStep(double step);
 
-	void SetRanges(int scroll_min, int scroll_max, int line_step, int page_step);
-	void SetRanges(int view_size, int total_size);
+	void SetRanges(double scroll_min, double scroll_max, double line_step, double page_step);
+	void SetRanges(double view_size, double total_size);
 
-	void SetPosition(int pos);
+	void SetPosition(double pos);
+
+	double GetPreferredWidth() const { return 16.0; }
+	double GetPreferredHeight() const { return 16.0; }
 
 	std::function<void()> FuncScroll;
 	std::function<void()> FuncScrollMin;
@@ -54,18 +57,20 @@ protected:
 
 private:
 	bool UpdatePartPositions();
-	int CalculateThumbSize(int track_size);
-	int CalculateThumbPosition(int thumb_size, int track_size);
-	Rect CreateRect(int start, int end);
+	double CalculateThumbSize(double track_size);
+	double CalculateThumbPosition(double thumb_size, double track_size);
+	Rect CreateRect(double start, double end);
 	void InvokeScrollEvent(std::function<void()>* event_ptr);
 	void OnTimerExpired();
 
-	bool vertical = false;
-	int scroll_min = 0;
-	int scroll_max = 1;
-	int line_step = 1;
-	int page_step = 10;
-	int position = 0;
+	bool vertical = true;
+	double scroll_min = 0.0;
+	double scroll_max = 1.0;
+	double line_step = 1.0;
+	double page_step = 10.0;
+	double position = 0.0;
+
+	bool showbuttons = false;
 
 	enum MouseDownMode
 	{
@@ -77,12 +82,12 @@ private:
 		mouse_down_thumb_drag
 	} mouse_down_mode = mouse_down_none;
 
-	int thumb_start_position = 0;
+	double thumb_start_position = 0.0;
 	Point mouse_drag_start_pos;
-	int thumb_start_pixel_position = 0;
+	double thumb_start_pixel_position = 0.0;
 
 	Timer* mouse_down_timer = nullptr;
-	int last_step_size = 0;
+	double last_step_size = 0.0;
 
 	Rect rect_button_decrement;
 	Rect rect_track_decrement;
@@ -91,7 +96,4 @@ private:
 	Rect rect_button_increment;
 
 	std::function<void()>* FuncScrollOnMouseDown = nullptr;
-
-	static const int decr_height = 16;
-	static const int incr_height = 16;
 };
diff --git a/libraries/ZWidget/src/core/widget.cpp b/libraries/ZWidget/src/core/widget.cpp
index 9a1082f48e..56d5e9ef57 100644
--- a/libraries/ZWidget/src/core/widget.cpp
+++ b/libraries/ZWidget/src/core/widget.cpp
@@ -419,7 +419,7 @@ Widget* Widget::ChildAt(const Point& pos)
 	{
 		if (cur->FrameGeometry.contains(pos))
 		{
-			Widget* cur2 = cur->ChildAt(pos - cur->FrameGeometry.topLeft());
+			Widget* cur2 = cur->ChildAt(pos - cur->ContentGeometry.topLeft());
 			return cur2 ? cur2 : cur;
 		}
 	}
diff --git a/libraries/ZWidget/src/widgets/listview/listview.cpp b/libraries/ZWidget/src/widgets/listview/listview.cpp
index 6093d9d8e5..29346ad574 100644
--- a/libraries/ZWidget/src/widgets/listview/listview.cpp
+++ b/libraries/ZWidget/src/widgets/listview/listview.cpp
@@ -1,9 +1,13 @@
 
 #include "widgets/listview/listview.h"
+#include "widgets/scrollbar/scrollbar.h"
 
 ListView::ListView(Widget* parent) : Widget(parent)
 {
-	SetNoncontentSizes(10.0, 5.0, 10.0, 5.0);
+	SetNoncontentSizes(10.0, 10.0, 3.0, 10.0);
+
+	scrollbar = new Scrollbar(this);
+	scrollbar->FuncScroll = [=]() { OnScrollbarScroll(); };
 }
 
 void ListView::AddItem(const std::string& text)
@@ -18,21 +22,53 @@ void ListView::Activate()
 		OnActivated();
 }
 
+void ListView::ScrollToItem(int index)
+{
+	double itemHeight = 20.0;
+	double y = itemHeight * index;
+	if (y < scrollbar->GetPosition())
+	{
+		scrollbar->SetPosition(y);
+	}
+	else if (y + itemHeight > scrollbar->GetPosition() + GetHeight())
+	{
+		scrollbar->SetPosition(std::max(y + itemHeight - GetHeight(), 0.0));
+	}
+}
+
+void ListView::OnScrollbarScroll()
+{
+	Update();
+}
+
+void ListView::OnGeometryChanged()
+{
+	double w = GetWidth();
+	double h = GetHeight();
+	double sw = scrollbar->GetPreferredWidth();
+	scrollbar->SetFrameGeometry(Rect::xywh(w - sw, 0.0, sw, h));
+	scrollbar->SetRanges(h, items.size() * 20.0);
+}
+
 void ListView::OnPaint(Canvas* canvas)
 {
-	double y = 20.0;
+	double y = -scrollbar->GetPosition();
 	double x = 2.0;
-	double w = GetFrameGeometry().width;
+	double w = GetWidth() - scrollbar->GetPreferredWidth() - 2.0;
 	double h = 20.0;
 
 	int index = 0;
 	for (const std::string& item : items)
 	{
-		if (index == selectedItem)
+		double itemY = y;
+		if (itemY + h >= 0.0 && itemY < GetHeight())
 		{
-			canvas->fillRect(Rect::xywh(x - 2.0, y + 5.0 - h, w, h), Colorf::fromRgba8(100, 100, 100));
+			if (index == selectedItem)
+			{
+				canvas->fillRect(Rect::xywh(x - 2.0, itemY, w, h), Colorf::fromRgba8(100, 100, 100));
+			}
+			canvas->drawText(Point(x, y + 15.0), Colorf::fromRgba8(255, 255, 255), item);
 		}
-		canvas->drawText(Point(x, y), Colorf::fromRgba8(255, 255, 255), item);
 		y += h;
 		index++;
 	}
@@ -56,11 +92,12 @@ void ListView::OnMouseDown(const Point& pos, int key)
 
 	if (key == IK_LeftMouse)
 	{
-		int index = (int)((pos.y - 5.0) / 20.0);
+		int index = (int)((pos.y - 5.0 + scrollbar->GetPosition()) / 20.0);
 		if (index >= 0 && (size_t)index < items.size())
 		{
 			selectedItem = index;
 			Update();
+			ScrollToItem(selectedItem);
 		}
 	}
 }
@@ -73,6 +110,18 @@ void ListView::OnMouseDoubleclick(const Point& pos, int key)
 	}
 }
 
+void ListView::OnMouseWheel(const Point& pos, EInputKey key)
+{
+	if (key == IK_MouseWheelUp)
+	{
+		scrollbar->SetPosition(std::max(scrollbar->GetPosition() - 20.0, 0.0));
+	}
+	else if (key == IK_MouseWheelDown)
+	{
+		scrollbar->SetPosition(std::max(scrollbar->GetPosition() + 20.0, scrollbar->GetMax()));
+	}
+}
+
 void ListView::OnKeyDown(EInputKey key)
 {
 	if (key == IK_Down)
@@ -82,6 +131,7 @@ void ListView::OnKeyDown(EInputKey key)
 			selectedItem++;
 			Update();
 		}
+		ScrollToItem(selectedItem);
 	}
 	else if (key == IK_Up)
 	{
@@ -90,6 +140,7 @@ void ListView::OnKeyDown(EInputKey key)
 			selectedItem--;
 			Update();
 		}
+		ScrollToItem(selectedItem);
 	}
 	else if (key == IK_Enter)
 	{
diff --git a/libraries/ZWidget/src/widgets/scrollbar/scrollbar.cpp b/libraries/ZWidget/src/widgets/scrollbar/scrollbar.cpp
index eea72feabf..1462981630 100644
--- a/libraries/ZWidget/src/widgets/scrollbar/scrollbar.cpp
+++ b/libraries/ZWidget/src/widgets/scrollbar/scrollbar.cpp
@@ -25,27 +25,27 @@ bool Scrollbar::IsHorizontal() const
 	return !vertical;
 }
 
-int Scrollbar::GetMin() const
+double Scrollbar::GetMin() const
 {
 	return scroll_min;
 }
 
-int Scrollbar::GetMax() const
+double Scrollbar::GetMax() const
 {
 	return scroll_max;
 }
 
-int Scrollbar::GetLineStep() const
+double Scrollbar::GetLineStep() const
 {
 	return line_step;
 }
 
-int Scrollbar::GetPageStep() const
+double Scrollbar::GetPageStep() const
 {
 	return page_step;
 }
 
-int Scrollbar::GetPosition() const
+double Scrollbar::GetPosition() const
 {
 	return position;
 }
@@ -64,61 +64,61 @@ void Scrollbar::SetHorizontal()
 		Update();
 }
 
-void Scrollbar::SetMin(int new_scroll_min)
+void Scrollbar::SetMin(double new_scroll_min)
 {
 	SetRanges(new_scroll_min, scroll_max, line_step, page_step);
 }
 
-void Scrollbar::SetMax(int new_scroll_max)
+void Scrollbar::SetMax(double new_scroll_max)
 {
 	SetRanges(scroll_min, new_scroll_max, line_step, page_step);
 }
 
-void Scrollbar::SetLineStep(int step)
+void Scrollbar::SetLineStep(double step)
 {
 	SetRanges(scroll_min, scroll_max, step, page_step);
 }
 
-void Scrollbar::SetPageStep(int step)
+void Scrollbar::SetPageStep(double step)
 {
 	SetRanges(scroll_min, scroll_max, line_step, step);
 }
 
-void Scrollbar::SetRanges(int scroll_min, int scroll_max, int line_step, int page_step)
+void Scrollbar::SetRanges(double new_scroll_min, double new_scroll_max, double new_line_step, double new_page_step)
 {
-	if (scroll_min >= scroll_max || line_step <= 0 || page_step <= 0)
+	if (new_scroll_min >= new_scroll_max || new_line_step <= 0.0 || new_page_step <= 0.0)
 		throw std::runtime_error("Scrollbar ranges out of bounds!");
-	scroll_min = scroll_min;
-	scroll_max = scroll_max;
-	line_step = line_step;
-	page_step = page_step;
+	scroll_min = new_scroll_min;
+	scroll_max = new_scroll_max;
+	line_step = new_line_step;
+	page_step = new_page_step;
 	if (position >= scroll_max)
-		position = scroll_max - 1;
+		position = scroll_max - 1.0;
 	if (position < scroll_min)
 		position = scroll_min;
 	if (UpdatePartPositions())
 		Update();
 }
 
-void Scrollbar::SetRanges(int view_size, int total_size)
+void Scrollbar::SetRanges(double view_size, double total_size)
 {
-	if (view_size <= 0 || total_size <= 0)
+	if (view_size <= 0.0 || total_size <= 0.0)
 	{
-		SetRanges(0, 1, 1, 1);
+		SetRanges(0.0, 1.0, 1.0, 1.0);
 	}
 	else
 	{
-		int scroll_max = std::max(1, total_size - view_size + 1);
-		int page_step = std::max(1, view_size);
-		SetRanges(0, scroll_max, 1, page_step);
+		double scroll_max = std::max(1.0, total_size - view_size + 1.0);
+		double page_step = std::max(1.0, view_size);
+		SetRanges(0.0, scroll_max, 10, page_step);
 	}
 }
 
-void Scrollbar::SetPosition(int pos)
+void Scrollbar::SetPosition(double pos)
 {
 	position = pos;
 	if (pos >= scroll_max)
-		position = scroll_max - 1;
+		position = scroll_max - 1.0;
 	if (pos < scroll_min)
 		position = scroll_min;
 
@@ -130,24 +130,24 @@ void Scrollbar::OnMouseMove(const Point& pos)
 {
 	if (mouse_down_mode == mouse_down_thumb_drag)
 	{
-		int last_position = position;
+		double last_position = position;
 
-		if (pos.x < -100 || pos.x > GetWidth() + 100 || pos.y < -100 || pos.y > GetHeight() + 100)
+		if (pos.x < -100.0 || pos.x > GetWidth() + 100.0 || pos.y < -100.0 || pos.y > GetHeight() + 100.0)
 		{
 			position = thumb_start_position;
 		}
 		else
 		{
-			int delta = (int)(vertical ? (pos.y - mouse_drag_start_pos.y) : (pos.x - mouse_drag_start_pos.x));
-			int position_pixels = thumb_start_pixel_position + delta;
+			double delta = vertical ? (pos.y - mouse_drag_start_pos.y) : (pos.x - mouse_drag_start_pos.x);
+			double position_pixels = thumb_start_pixel_position + delta;
 
-			int track_height = 0;
+			double track_height = 0;
 			if (vertical)
-				track_height = (int)(rect_track_decrement.height + rect_track_increment.height);
+				track_height = rect_track_decrement.height + rect_track_increment.height;
 			else
-				track_height = (int)(rect_track_decrement.width + rect_track_increment.width);
+				track_height = rect_track_decrement.width + rect_track_increment.width;
 
-			if (track_height != 0)
+			if (track_height != 0.0)
 				position = scroll_min + position_pixels * (scroll_max - scroll_min) / track_height;
 			else
 				position = 0;
@@ -178,12 +178,12 @@ void Scrollbar::OnMouseDown(const Point& pos, int key)
 		mouse_down_mode = mouse_down_button_decr;
 		FuncScrollOnMouseDown = &FuncScrollLineDecrement;
 
-		int last_position = position;
+		double last_position = position;
 
 		position -= line_step;
 		last_step_size = -line_step;
 		if (position >= scroll_max)
-			position = scroll_max - 1;
+			position = scroll_max - 1.0;
 		if (position < scroll_min)
 			position = scroll_min;
 
@@ -195,12 +195,12 @@ void Scrollbar::OnMouseDown(const Point& pos, int key)
 		mouse_down_mode = mouse_down_button_incr;
 		FuncScrollOnMouseDown = &FuncScrollLineIncrement;
 
-		int last_position = position;
+		double last_position = position;
 
 		position += line_step;
 		last_step_size = line_step;
 		if (position >= scroll_max)
-			position = scroll_max - 1;
+			position = scroll_max - 1.0;
 		if (position < scroll_min)
 			position = scroll_min;
 
@@ -211,19 +211,19 @@ void Scrollbar::OnMouseDown(const Point& pos, int key)
 	{
 		mouse_down_mode = mouse_down_thumb_drag;
 		thumb_start_position = position;
-		thumb_start_pixel_position = (int)(vertical ? (rect_thumb.y - rect_track_decrement.y) : (rect_thumb.x - rect_track_decrement.x));
+		thumb_start_pixel_position = vertical ? (rect_thumb.y - rect_track_decrement.y) : (rect_thumb.x - rect_track_decrement.x);
 	}
 	else if (rect_track_decrement.contains(pos))
 	{
 		mouse_down_mode = mouse_down_track_decr;
 		FuncScrollOnMouseDown = &FuncScrollPageDecrement;
 
-		int last_position = position;
+		double last_position = position;
 
 		position -= page_step;
 		last_step_size = -page_step;
 		if (position >= scroll_max)
-			position = scroll_max - 1;
+			position = scroll_max - 1.0;
 		if (position < scroll_min)
 			position = scroll_min;
 
@@ -235,12 +235,12 @@ void Scrollbar::OnMouseDown(const Point& pos, int key)
 		mouse_down_mode = mouse_down_track_incr;
 		FuncScrollOnMouseDown = &FuncScrollPageIncrement;
 
-		int last_position = position;
+		double last_position = position;
 
 		position += page_step;
 		last_step_size = page_step;
 		if (position >= scroll_max)
-			position = scroll_max - 1;
+			position = scroll_max - 1.0;
 		if (position < scroll_min)
 			position = scroll_min;
 
@@ -291,20 +291,26 @@ void Scrollbar::OnPaint(Canvas* canvas)
 	part_track_increment.render_box(canvas, rect_track_increment);
 	part_button_increment.render_box(canvas, rect_button_increment);
 	*/
+
+	canvas->fillRect(Rect::shrink(Rect::xywh(0.0, 0.0, GetWidth(), GetHeight()), 4.0, 0.0, 4.0, 0.0), Colorf::fromRgba8(33, 33, 33));
+	canvas->fillRect(Rect::shrink(rect_thumb, 4.0, 0.0, 4.0, 0.0), Colorf::fromRgba8(58, 58, 58));
 }
 
 // Calculates positions of all parts. Returns true if thumb position was changed compared to previously, false otherwise.
 bool Scrollbar::UpdatePartPositions()
 {
-	int total_height = (int)(vertical ? GetHeight() : GetWidth());
-	int track_height = std::max(0, total_height - decr_height - incr_height);
-	int thumb_height = CalculateThumbSize(track_height);
+	double decr_height = showbuttons ? 16.0 : 0.0;
+	double incr_height = showbuttons ? 16.0 : 0.0;
 
-	int thumb_offset = decr_height + CalculateThumbPosition(thumb_height, track_height);
+	double total_height = vertical ? GetHeight() : GetWidth();
+	double track_height = std::max(0.0, total_height - decr_height - incr_height);
+	double thumb_height = CalculateThumbSize(track_height);
+
+	double thumb_offset = decr_height + CalculateThumbPosition(thumb_height, track_height);
 
 	Rect previous_rect_thumb = rect_thumb;
 
-	rect_button_decrement = CreateRect(0, decr_height);
+	rect_button_decrement = CreateRect(0.0, decr_height);
 	rect_track_decrement = CreateRect(decr_height, thumb_offset);
 	rect_thumb = CreateRect(thumb_offset, thumb_offset + thumb_height);
 	rect_track_increment = CreateRect(thumb_offset + thumb_height, decr_height + track_height);
@@ -313,12 +319,12 @@ bool Scrollbar::UpdatePartPositions()
 	return (previous_rect_thumb != rect_thumb);
 }
 
-int Scrollbar::CalculateThumbSize(int track_size)
+double Scrollbar::CalculateThumbSize(double track_size)
 {
-	int minimum_thumb_size = 20;
-	int range = scroll_max - scroll_min;
-	int length = range + page_step - 1;
-	int thumb_size = page_step * track_size / length;
+	double minimum_thumb_size = 20.0;
+	double range = scroll_max - scroll_min;
+	double length = range + page_step - 1;
+	double thumb_size = page_step * track_size / length;
 	if (thumb_size < minimum_thumb_size)
 		thumb_size = minimum_thumb_size;
 	if (thumb_size > track_size)
@@ -326,13 +332,13 @@ int Scrollbar::CalculateThumbSize(int track_size)
 	return thumb_size;
 }
 
-int Scrollbar::CalculateThumbPosition(int thumb_size, int track_size)
+double Scrollbar::CalculateThumbPosition(double thumb_size, double track_size)
 {
-	int relative_pos = position - scroll_min;
-	int range = scroll_max - scroll_min - 1;
+	double relative_pos = position - scroll_min;
+	double range = scroll_max - scroll_min - 1;
 	if (range != 0)
 	{
-		int available_area = std::max(0, track_size - thumb_size);
+		double available_area = std::max(0.0, track_size - thumb_size);
 		return relative_pos * available_area / range;
 	}
 	else
@@ -341,7 +347,7 @@ int Scrollbar::CalculateThumbPosition(int thumb_size, int track_size)
 	}
 }
 
-Rect Scrollbar::CreateRect(int start, int end)
+Rect Scrollbar::CreateRect(double start, double end)
 {
 	if (vertical)
 		return Rect(0.0, start, GetWidth(), end - start);
@@ -356,7 +362,7 @@ void Scrollbar::OnTimerExpired()
 
 	mouse_down_timer->Start(100, false);
 
-	int last_position = position;
+	double last_position = position;
 	position += last_step_size;
 	if (position >= scroll_max)
 		position = scroll_max - 1;
@@ -395,6 +401,6 @@ void Scrollbar::InvokeScrollEvent(std::function<void()>* event_ptr)
 	if (FuncScroll)
 		FuncScroll();
 
-	if (event_ptr)
+	if (event_ptr && *event_ptr)
 		(*event_ptr)();
 }
diff --git a/libraries/ZWidget/src/window/win32/win32window.cpp b/libraries/ZWidget/src/window/win32/win32window.cpp
index e33bef4fdc..f76df67318 100644
--- a/libraries/ZWidget/src/window/win32/win32window.cpp
+++ b/libraries/ZWidget/src/window/win32/win32window.cpp
@@ -455,7 +455,15 @@ LRESULT Win32Window::OnWindowMessage(UINT msg, WPARAM wparam, LPARAM lparam)
 	else if (msg == WM_MOUSEWHEEL)
 	{
 		double delta = GET_WHEEL_DELTA_WPARAM(wparam) / (double)WHEEL_DELTA;
-		WindowHost->OnWindowMouseWheel(GetLParamPos(lparam), delta < 0.0 ? IK_MouseWheelDown : IK_MouseWheelUp);
+
+		// Note: WM_MOUSEWHEEL uses screen coordinates. GetLParamPos assumes client coordinates.
+		double dpiscale = GetDpiScale();
+		POINT pos;
+		pos.x = GET_X_LPARAM(lparam);
+		pos.y = GET_Y_LPARAM(lparam);
+		ScreenToClient(WindowHandle, &pos);
+
+		WindowHost->OnWindowMouseWheel(Point(pos.x / dpiscale, pos.y / dpiscale), delta < 0.0 ? IK_MouseWheelDown : IK_MouseWheelUp);
 	}
 	else if (msg == WM_CHAR)
 	{