Method Begin

KBotExt/imgui/imgui.cpp:2804–2830

}

void ImGuiListClipper::Begin(int items_count, float items_height)
{
	if (Ctx == NULL)
		Ctx = ImGui::GetCurrentContext();

	ImGuiContext& g = *Ctx;
	ImGuiWindow* window = g.CurrentWindow;
	IMGUI_DEBUG_LOG_CLIPPER("Clipper: Begin(%d,%.2f) in '%s'\n", items_count, items_height, window->Name);

	if (ImGuiTable* table = g.CurrentTable)
		if (table->IsInsideRow)
			ImGui::TableEndRow(table);

	StartPosY = window->DC.CursorPos.y;
	ItemsHeight = items_height;
	ItemsCount = items_count;
	DisplayStart = -1;
	DisplayEnd = 0;

	// Acquire temporary buffer
	if (++g.ClipperTempDataStacked > g.ClipperTempData.Size)
		g.ClipperTempData.resize(g.ClipperTempDataStacked, ImGuiListClipperData());
	ImGuiListClipperData* data = &g.ClipperTempData[g.ClipperTempDataStacked - 1];
	data->Reset(this);
	data->LossynessOffset = window->DC.CursorStartPosLossyness.y;
	TempData = data;
}

void ImGuiListClipper::End()
{